GE PFE29PSDASS Manual
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GE PFE29PSDASS Manual

GE PFE29PSDASS Manual

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Summary of Contents for GE PFE29PSDASS

  • Page 1 2012 French Door Refrigerator...
  • Page 2 Louisville Built Bottom Freezer Refrigerator...
  • Page 3 Large Stainless Steel Dispenser GE Profile GE Cafe...
  • Page 4 Industry First Hands Free AutoFill...
  • Page 5 Industry First Advanced filtration with Filter in the Door...
  • Page 6 Temperature Controlled Drawer with Colored LED Lights...
  • Page 7 Drop Down Tray...
  • Page 8 Space-Saving Icemaker...
  • Page 9 Dual Icemakers...
  • Page 10 Showcase LED Lighting...
  • Page 11 TwinChill™ Evaporators...
  • Page 12 Winning Features Showcase LED Lighting TwinChill™ Space-Saving Icemaker Drop Down Tray Hands Free AutoFill Advanced Filtration with the Filter in the Door Temperature Controlled Drawer Large Sleek Dispenser 3 Freezer Drawers...
  • Page 13 PFE29PSDSS GFE29HSDSS & GFE29HGDBB/WW Fresh Food door ice and water Fresh Food door ice and water icemaker in the freezer Electronic control deli pan Mechanical control deli damper 4.3” LCD door control Segment LED door display Fresh Food 7 Pin-Point LED Fresh Food 5 Pin-Point LED lighting lighting...
  • Page 14 IMPORTANT SAFETY NOTICE The information in this presentation is intended for use by individuals possessing adequate backgrounds of electrical, electronic, & mechanical experience. Any attempt to repair a major appliance may result in personal injury & property damage. The manufacturer or seller cannot be responsible for the interpretation of this information, nor can it assume any liability in connection with its use.
  • Page 15 GE Factory Service Employees are required to use safety glasses with side shields, safety gloves & steel toe shoes for all repairs Plano Type Safety Glasses Dyneema ® Electrically Rated Glove and Dyneema ® Cut Resistant Resistant Glove Keeper Glove...
  • Page 16 5/4/2012...
  • Page 17 Fresh Food Section 5/4/2012...
  • Page 18 Upper Hinge Cover Removal Remove three ¼” screws from the top hinge cover Open both fresh food doors to 90˚ Move the cover slightly forward to release the tabs from the hinges and slide back. 5/4/2012...
  • Page 19 Fresh Food Dispenser Door Removal Remove the hinge cover assembly and lay the cover back onto the cabinet to access the top hinge screws, wiring and water tubing. Cabinet water tubing conduit 5/4/2012...
  • Page 20 Disconnect the Water Line Remove the tube clamp from the hinge Disconnect the top side of the quick connector located at the rear of the cabinet, 15” down from the top. 5/4/2012...

  • Page 21: Door Removal

    Door Removal Pull the water line from the cabinet conduit. Disconnect the wiring connectors and ground wire. Remove the three 3/8” screws from the top hinge. Lift the hinge bracket up to release and remove from the door. 5/4/2012...
  • Page 22 Door Removal Open the door to a 90 degree angle from the case and lift to remove the door from the lower hinge bracket. 5/4/2012...
  • Page 23 Fresh Food Door Stop The door stop is held in place by screws 5/4/2012...
  • Page 24 Fresh Food Door Closer The door closer is removed by first removing the door stop, then the mounting screw. 5/4/2012...
  • Page 25 Fresh Food Door Hinge and Closer The door closer has a spring loaded pin The right hinge bracket mounted to the case has an adjustable ¼” set screw so the fresh food doors can be leveled If the left door needs to be raised, shims will be available as a service part 5/4/2012...
  • Page 26 Freezer LED Lighting Two LEDs located in the bottom of the LEFT fresh food door illuminate the interior of the freezer when the freezer drawer is opened. The LEDs are snapped into a bracket that is accessed by removing a screw.
  • Page 27 Articulating Mullion The articulating mullion is mounted to the left fresh food door The mullion uses a 12 VDC heater operated by the door control board. Operation is based on room temperature and humidity. 5/4/2012...
  • Page 28 Room Ambient Thermistor The room air thermistor is located in the cover on the top of the cabinet, this thermistor is used to set the duty time of the sweat heaters and adjust the cooling system based on room temperature. 5/4/2012...
  • Page 29 RJ45, Ambient Thermistor and Humidity Board The ‘Zigbee™’ board is located on the top of the case in the hinge cover. It contains the sensor to monitor the humidity level of the room and the RJ45 connector for computer diagnostics. Ambient Thermistor Humidity Sensor 5/4/2012...
  • Page 30 Fresh Food Cabinet Interior 5/4/2012...
  • Page 31 Fresh Food Cabinet Interior PFE29 FRESH FOOD MULLION THERMISTOR STRIKE COLD AIR DISCHARGE AIR DUCT WATER FILTER MULTIPLE PINPOINT LEDS ELECTRONIC CONTROL DAMPER AND ADJUSTABLE RIGHT LOWER HINGES SHIMS USED ON LEFT 5/4/2012...
  • Page 32 Fresh Food Cabinet Interior GFE29 FRESH FOOD MULLION THERMISTOR STRIKE WATER COLD AIR FILTER DISCHARGE AIR DUCT MECHANICAL DAMPER MULTIPLE PINPOINT LEDS EVAPORATOR COVER ADJUSTABLE RIGHT LOWER HINGES SHIMS USED ON LEFT 5/4/2012...
  • Page 33 Fresh Food Showcase Pin-Point LEDs The Pin-Point LEDs are in either a 5 or 7 LED series circuit. If one LED fails (but the LED’s resistor is still OK), that LED will not be lit while the others will be dim. When one LED fails completely, none of the LEDs will light.
  • Page 34 Air Flow 5/4/2012...

  • Page 35: Fresh Food And Freezer Thermistors

    Fresh Food and Freezer Thermistors The Fresh Food thermistor is located in the ceiling and the freezer thermistor is located on the right hand side wall. 5/4/2012...

  • Page 36: Thermistor Replacement

    Thermistor Replacement The thermistor grille uses an alignment tab to ensure proper grille placement. The grille also uses two snap tabs to lock it into the liner. 5/4/2012...
  • Page 37 Strip the outer insulation from the thermistor case harness back 1”. Strip the two internal wires back 3/16” for splicing. GE Factory Service Technicians are required to always wear cut resistant gloves prior to commencing the repair. 5/4/2012...
  • Page 38 Thermistor Splicing Prepare the replacement thermistor (WR55x10025) by cutting the wiring 4” back from the thermistor and strip the wires back 3/16”. Using two WR01X10466, splice the wiring. After the splices are complete, fill the bell connectors fully with WR97X163 silicone grease. Note: Service kit coming with heat seal connectors WR01X10466 5/4/2012...
  • Page 39 Thermistor Splicing Snap the thermistor into the grill and place excess wiring into the thermistor pocket, then snap the grille back into the liner taking note of the alignment pin. 5/4/2012...
  • Page 40 Fresh Food Fan Testing The fresh food fan is located at the base of the fresh food air duct. The fresh food evaporator cover must be removed to access the fan, but can easily be checked at the electrical connector. Remove the right vegetable bin.
  • Page 41 Deli Pan Cover Removal Remove both vegetable bins and deli pan. It is not necessary to remove the upper glass shelves. Remove the Phillips screw on each side of the deli pan cover. 5/4/2012...
  • Page 42 Deli Pan Cover Removal Slide the front part of the deli pan cover forward Disconnect the electrical connector at the left slide assembly 5/4/2012...
  • Page 43 Deli Pan Board On Cover The deli pan board sends the customer setting to the main board to control the pan temperatures based on the deli thermistor value. Temperature is controlled by opening or closing the deli damper, varying fan speeds and turning on a 5 watt heater as needed.
  • Page 44 Deli Pan Set Points The selections that show ‘OFF’ are not available at the fresh food set points on the left. Example is meat is not available when fresh food temp is set to 39˚F or higher. 5/4/2012...
  • Page 45 Deli Pan Thermistor 5/4/2012...
  • Page 46 Deli Pan Slide Removal Remove the screws from both of the deli pan slide assemblies. Pull the assembly forward to disengage the tab from the wall liner post. 5/4/2012...
  • Page 47 Mechanical Deli Damper (GFE29 only) The mechanical deli damper is also located on the fresh food evaporator cover and is accessed the same way. The damper is operated by a lever in the left slide assembly. Moving the lever up closes the damper while moving it down opens it. 5/4/2012...

  • Page 48: Fresh Food Evaporator Cover

    Fresh Food Evaporator Cover Remove the fresh food fan connector cover by pressing down at the upper right, then slide it straight out. Remove 5 Phillips screws. 1 screw is behind the connector cover. 5/4/2012...
  • Page 49 Deli Pan Fan, Heater and Damper Pull up on the fresh food evaporator cover and lay it forward. Disconnect the fan and damper assembly connector. Remove the gasket and Styrofoam retainer, then remove the assembly from the evaporator cover. Fan speed range is DAMPER 3000 –...
  • Page 50 Fresh Food Fan Removal FAN color code: – 12vdc+ BLACK – 12 VDC- Disconnect the motor harness YELLOW – PWM SPEED connector. BLUE – RPM FEEDBACK Pull the Styrofoam cover out from the lower left corner and remove. Slide the fan assembly forward and out of the fan mounting bracket.

  • Page 51: Fresh Food Evaporator Thermistor

    Fresh Food Evaporator Thermistor The fresh food evaporator thermistor is mounted to the suction line, its sole purpose is to monitor the evaporator temperature for defrost control. 5/4/2012...

  • Page 52: Fresh Food Defrost Heater

    Fresh Food Defrost Heater The fresh food defrost heater is located at the bottom of the evaporator between the rows of coils, attached to the end plates. It is a 165 watt glass tube radiant heater. The heater can be dismounted by removing the center support.

  • Page 53: Freezer Interior

    Freezer Interior 5/4/2012...
  • Page 54 Freezer Interior GFE29 ICEMAKER FREEZER UPPER BASKET SLIDES ICE BOX RETURN UPPER BASKET FREEZER SLIDES THERMISTOR LOWER LOWER BASKET BASKET SLIDES SLIDES Note: PFE29 interior is the same but does not have freezer icemaker 5/4/2012...

  • Page 55: Freezer Drawer Removal

    Freezer Drawer Removal Open the drawer and remove three 3/8” screws from the left and right hand slides. 5/4/2012...
  • Page 56 Freezer Drawer Removal Lift the drawer front off of the slides – releasing the two tabs from the slide tab slots. GE Factory Service Technicians are required to lift with the legs and not the back. 5/4/2012...

  • Page 57: Freezer Drawer Adjustment

    Freezer Drawer Adjustment The adjustment knob(s) can be rotated to change the horizontal drawer plane. 5/4/2012...

  • Page 58: Freezer Fan

    Freezer Fan The freezer fan is mounted to the freezer evaporator cover and uses a grille to direct the air flow. LOW SPEED = 2200 RPM* The freezer fan will operate at 3 speeds with RPM MEDIUM SPEED = 2400 RPM* feedback to the control: HIGH SPEED = 2500 RPM* Note fan speed range is 1500 –...
  • Page 59 Freezer Fan Grille Removal Insert a screwdriver into the slot The grille will now slide down to and pry down to raise the tab and disengage the top tabs. release the grille. 5/4/2012...
  • Page 60 Freezer Fan Removal SLIDE RIGHT Flex the tab at the lower right to release the fan from the evaporator cover. Slide the fan to the right to disengage the left retainer tabs. Disconnect the electrical connector. 5/4/2012...
  • Page 61 Ice Box Air Flow SUPPLY AIR RETURN AIR 5/4/2012...
  • Page 62 Ice Box Fan The ice box fan is located at the top left rear of the freezer, above the evaporator. The ice box fan circulates air into the left fresh food door ice box via ductwork foamed into the case. The fan has 3 possible speeds, depending on the ice box cooling temperature and is controlled by the main board.
  • Page 63 Ice Box Fan Removal The upper freezer compartment divider must be removed to access the evaporator cover. Remove the 2 retainers by flexing them outward and pulling toward the front to release. Slide the divider backward to disengage from the retainer mounted to the ceiling.
  • Page 64 Evaporator Cover Removal Remove the 2 Phillips screws at the top of the evaporator cover. Push the cover up to release the tabs at the bottom, then pull the bottom outward. Disconnect the fan connector. NOTE: The freezer fan does not have to be removed from the cover 5/4/2012...
  • Page 65 Evaporator and Ice Box Fan Evaporator Thermistor Ice Box Freezer Evaporator 5/4/2012...

  • Page 66: Freezer Evaporator Thermistor

    Freezer Evaporator Thermistor The freezer evaporator thermistor is mounted to the suction line. The purpose of the thermistor is to monitor the evaporator temperature for defrost control. 5/4/2012...

  • Page 67: Freezer Defrost Heater

    Freezer Defrost Heater The freezer defrost heater is located at the bottom of the evaporator between the rows of coils, attached to the end plates. It is a 420 watt glass tube radiant heater. The heater can be dismounted by removing the right end and center support.

  • Page 68: Machine Compartment

    Machine Compartment 5/4/2012...
  • Page 69 Machine Compartment location – PFE29 VARIABLE SPEED 3-WAY VALVE CONDENSER FAN INVERTER INVERTER COMPRESSOR JELLY ROLL CONDENSER ISOLATION FREEZER FRESH FOOD VALVE DRAIN TUBE DRAIN TUBE 5/4/2012...
  • Page 70 Machine Compartment location – GFE29 CONDENSER FAN SINGLE SPEED 3-WAY VALVE RELAY AND COMPRESSOR OVERLOAD CONDENSER ISOLATION, FREEZER FREEZER FRESH FOOD ICEMAKER AND DRAIN TUBE DRAIN TUBE WATER DISPENSER VALVE ASSEMBLY 5/4/2012...

  • Page 71: Isolation Valve

    Isolation Valve Water to the filter in the fresh food door is supplied by the isolation valve. The valve prevents the filter from being under constant house water pressure. The isolation valve is operated by the main control board. 5/4/2012...

  • Page 72: Way Valve

    3-Way Valve ISOLATION VALVE The 3-way valve is located in the machine compartment between the compressor and condenser fan. 5/4/2012...
  • Page 73 3-Way Valve The 3-way valve is used to direct refrigerant flow. The valve has four different positions. They are referred to by the letters ‘A’, ‘B’, ‘C’ and ‘D’ A = Open to the Fresh Food and Freezer evaporators in series (refrigerant flows through the fresh food evaporator and then into the freezer evaporator).
  • Page 74 Freezer Only Cooling FREEZER FAN 5/4/2012...
  • Page 75 Fresh Food and Freezer Only Cooling FREEZER FAN FF FAN 5/4/2012...

  • Page 76: Condenser Fan Motor

    Condenser Fan Motor The condenser fan operates within a range of 1000–2100 RPM* To remove: Remove the rear access cover Disconnect the harness connector Pull the fan assembly toward the FAN color code: rear to disengage from the bracket – 12vdc+ BLACK –...

  • Page 77: Operational Overview

    Operational Overview 5/4/2012...

  • Page 78: Normal Operating Characteristics

    Normal Operating Characteristics Liner protection mode will turn on either the fresh food or freezer fan if the doors or drawer are open for more than 3 minutes* respectively. The condenser fan may run without the compressor operating* Dispenser will not operate with either fresh food door open* Fan(s) running without the compressor operating is normal.
  • Page 79 Normal Operating Characteristics continued If either fresh food door is open when the freezer drawer is opened, the freezer LEDs on the bottom of the left fresh food door will not come on. When either the fresh door(s) or freezer drawer is opened, the fans will turn off. The “box type”...

  • Page 80: Liner Protection Mode

    Liner Protection Mode Liner Protection mode is controlled by two timers. Timer #1 monitors door-open time. A 3-minute door-open count begins when the door is opened. If 3 minutes elapse before the door is closed, the liner protection mode will become active.

  • Page 81: Refrigerator Operation

    Refrigerator Operation Both of these models operate in the following states: Pull Down Cooling Operation Fresh food Cycle defrost Pre-Chill Fresh Food Only Heated Defrost Fresh Food & Freezer Heated Defrost Dwell Post Dwell 5/4/2012...
  • Page 82 Pull Down Pull down occurs any time the refrigerator is plugged in and the freezer temperature is above 60˚F*. The 3-way valve moves to the ‘B’ position. Compressor start is delayed for seconds. The compressor will start and run at high speed for 1 minute, then change to low speed (variable speed models only).

  • Page 83: Cooling Operation

    Cooling Operation When cooling is required, the main control board moves the 3-way valve to either ‘A’ position (supplying refrigerant to both fresh food and freezer evaporators) or ‘B’ position (supplying only the freezer evaporator), depending upon compartment temperatures. The compressor and fan(s) are delayed for minutes before restarting.
  • Page 84 Fresh Food Cycle Defrost Fresh food cycle defrost occurs between heated fresh food defrost cycles to reduce excessive frost accumulations on the fresh food evaporator. During fresh food cycle defrost, the evaporator fan runs and there is no refrigerant flow through the evaporator. Fresh food cycle defrost does not use the fresh food defrost heater.
  • Page 85 Defrost Pre-Chill (Single and Variable speed compressor) After accumulating hours of compressor run time (actual compressor run time and door openings), the operating system will enter pre-chill. Pre-chill will occur whether the last freezer defrost was normal or abnormal. Pre-chill time will vary from 10 to 60* minutes, depending on door openings and compartment temperatures during pre-chill.
  • Page 86 Fresh Food Only Heated Defrost Fresh food only heated defrost occurs after hours of compressor run time. Fresh food only heated defrost does not use a pre-chill cycle. Door openings are factored into the compressor run time. 1 second door opening = 100 seconds of compressor run time* Providing previous freezer or fresh food only heated defrost cycles were normal the freezer will defrost every fresh food defrost.
  • Page 87 Freezer and Fresh Food Heated Defrost Following pre-chill, the heated freezer and heated fresh food defrost cycle is initiated where both heaters will be on at the same time. The 3-way valve will move to the ‘A’ position. The compressor will turn off. The condenser, freezer, fresh food, and ice box fans will turn off.
  • Page 88 Dwell Cycle After both defrost heaters have cycled off, the unit will enter the dwell cycle. During the dwell cycle, the compressor and fans will remain off. The 3-way valve will move to the ‘A” position (both fresh food and freezer open) and remain there for the entire cycle.
  • Page 89 Post Dwell Cycle Upon completion of the dwell cycle, the unit will enter the post dwell cycle. The 3-way valve will move to either the ‘A’ or ‘B’ position, depending upon whether the fresh food temperature is satisfied. The compressor and condenser fan will start, but the fresh food fan, freezer fan and ice box fan will remain off.
  • Page 90 Refrigerator Operation Summary Both of these models operate in the following states: Pull Down occurs when the refrigerator is powered up and freezer is above 60˚F Cooling Operation is the normal cycling of temperatures whether the last defrost was normal or abnormal. Fresh Food Cycle Defrost occurs when the 3-way valve turns off refrigerant flow to fresh food evaporator, but the freezer continues to cool.

  • Page 91: User Interface (Ui) Controls

    User Interface (UI) Controls 5/4/2012...
  • Page 92 Consumer Control Board (PFE29) Power & Communication Cup Switch ULTRASONIC SENSOR CONNECTORS FOR SENSOR FILL SOUND MODULE CONNECTOR 5/4/2012...
  • Page 93 Consumer Control LCD Models (PFE29) 5/4/2012...
  • Page 94 Consumer Control Board (PFE29) J3 and J4 UPPER ULTRASONIC SENSORS 8- UNUSED J5 LOWER 7- HOT H20 CUT SW ULTRASONIC SENSORS 6- BOARD GND 5- 12VDC – 4- 12VDC + J7 SOUND MODULE 3- HOT H2O LED 2- COMMUNICATION 1-UNUSED 3- PADDLE SWITCH 2- PADDLE SWITCH 1- PADDLE SWITCH...
  • Page 95 Consumer Control Temperature Adjustment Note the LCD customer control does not incorporate pads for temperature adjustment. To change compartment temperatures; touch the screen to wake the control up and change temperatures directly on the LCD screen. 5/4/2012...
  • Page 96 Consumer Control Temperature Controls Once ‘Temp Control’ is pressed, the adjustment screen will appear in the display. After adjusting to the desired temperature setting, press ‘Done’. The customer also has the option to change the displayed temperature from ‘°F’ to ‘°C’ from this screen. 5/4/2012...
  • Page 97 Consumer Control Dispenser Functions When the customer changes the dispenser functions, the display will show a short animation of the dispenser selection. 5/4/2012...
  • Page 98 Consumer Control Express Modes The ‘Express Modes’ option allows the consumer to turn on or off the ‘Turbo Cool’ and ‘Turbo Freeze’ functions. 5/4/2012...
  • Page 99 Consumer Control Precise Fill Options There are two modes of operation for water dispense. Standard ‘Precise Fill’ where the customer selects the amount of water and ‘Sensor Fill’ where the dispenser uses sensors to automatically fill the container to 90% full. In ‘sensing fill’, if no container is in the dispenser, the unit will not operate and notify the consumer.
  • Page 100 Hands Free AutoFill Industry First Hands free auto fill uses 3 ultrasonic sensors to measure the height, width, volume and shape of the container and will fill it to approximately 90% of its capacity. Ultrasonic sensors work in much the same way as back-up sensors used on many automobiles.
  • Page 101 Consumer Control System Settings When the consumer selects ‘Settings’ from the main screen, they can change or reset functions on the unit by scrolling through the screens. Reset the water filter Turn the icemaker on and off Turn the door alarm on and off Turn the control sound on and off Turn the cooling system on and off Change the temperature display to...

  • Page 102: Dealer Demo Mode

    Dealer Demo Mode Enter demo mode by pressing the ‘Lock’ and ‘Precise Fill buttons’ Exit demo mode by pressing the same buttons again or cycling refrigerator power. 5/4/2012...
  • Page 103 Dealer Demo Mode When Dealer Demo mode is active the following will occur: The compressor is off at all times. All heaters will be disabled. The icemaker(s) are turned off, but control will operate the display function. The fans and dampers may run if prompted by a user setting change. Opening the doors will not turn on the fans.
  • Page 104 Dealer Demo Mode continued The deli pan settings will remain the same between door openings, as the set points are not reset. LED lighting will come on when the door or drawer is opened and stay at full power for 8 minutes if the door remains open. After 8 minutes, the LEDs will start to lower their intensity in a smooth transition over the next three minutes to 75% of their original power and remain there until the door(s) is closed.
  • Page 105 Dealer Demo Mode continued The user interface will display the actual compartment temperatures. Paddle and switch will not operate dispenser components if pressed. The Precise Fill feature can be selected and amount of water set, but water valve will not be activated. The Auto Fill can be set but will not activate water valve.
  • Page 106 RJ45, Ambient Thermistor and Humidity Board The ‘Zigbee™’ Board is located on the top of the case in the hinge cover and monitors the ambient air temperature and humidity level of the room. This board also contains the RJ45 connector for the Brillion Technology ACM and computer diagnostics. 5/4/2012...
  • Page 107 NewFI The ‘Zigbee™’ Board RJ45 connector allows the Factory Service technician to connect to the refrigerator to perform diagnostics on their laptop computer. The technician will be able to access error codes, current functions, operational history and operate loads for diagnosis. Remove the plastic plug to access. 5/4/2012...

  • Page 108: Sabbath Mode

    Sabbath Mode To enter or exit Sabbath mode; press the ‘Lock Control’ and ‘Dispenser Light’ buttons for three seconds. 5/4/2012...
  • Page 109 Sabbath Mode This feature was designed for use on the Jewish Sabbath Holiday. The Sabbath Mode feature will override typical interaction with the refrigerator. In Sabbath Mode the refrigerator will still cool normally, but will not respond to user’s actions. The LCD display will change to a screen prompting the consumer to enter or exit Sabbath mode.
  • Page 110 Sabbath Mode continued The fan may or may not be running when the door is opened; however, this is not a result of the user’s actions. There is a delay on all control changes (fans and compressor) while the door is open.
  • Page 111 Sabbath Mode GFE29 UI FUTURE MODELS 5/4/2012...
  • Page 112 GFE29 LED User Interface Note: DC ground is extremely important on all control boards. On this model you could see ‘0’s moving in a racetrack pattern. 5/4/2012...
  • Page 113 GFE29 LED User Interface Warmer/Colder buttons adjust the fresh food and freezer temperatures. The 7-segment display shows the “Actual Temp” or “Set Temp” of the fresh food and freezer temperatures. Ice Maker button is toggled to turn on or off the fresh food door and freezer icemakers.

  • Page 114: Control Block Diagram

    Control Block Diagram DC Loads AC Loads Icemaker Door Control Board LED Lighting Sensors Icemaker Dispenser / Internal Temperature Control Board Main Control Board LED Lighting Deli Pan Control Board Sensors DC Loads AC Loads Inverter...

  • Page 115: Main Control Board

    Main Control Board 5/4/2012...
  • Page 116 Main Control Board The main control board operates some or all of the following outputs depending on the model identification used: Freezer temperature control using compressor, fans and 3-way valve Fresh Food temperature control using compressor, fans, 3-way valve and damper (single evaporator models) Ice Box temperature control Deli pan control using the damper, fan and heater...
  • Page 117 Main Board Location MAIN CONTROL BOARD 5/4/2012...

  • Page 118: Main Control Board Block Diagram

    Main Control Board Block Diagram Personality FF LH FF RH Rake FZ Door Door Door Switch Switch Switch convertible drawer FZ Fill Tube Heater FF Fan DC Input FZ IM Heater Comm Comm AC Input FZ Evap Fan FZ IM Water Valve Cond Fan FZ IM Rake Motor Ice Box Fan...
  • Page 119 Main Control Board A blinking green LED means the board’s DC power supply is on and operating. 5/4/2012...
  • Page 120 Main Control Board DC PIN 1 – COND FAN 12 DC + PIN 2 – COND FAN GND PIN 1 - 12VDC DELI + PIN 3 – COND FAN PWM PIN 9 - FF EVAP THERMISTOR 5VDC PIN 2 - DELI BUS PIN 4 –...
  • Page 121 Main Control Board DC continued: Future use PIN 1 – 12 VDC FZ FZN+ PIN 2 – 12 VDC ICE BOX FAN + PIN 3 – GND FZ FZN PIN 1 – 12VDC DELI FAN + PIN 4 – GND ICE BOX PIN 2 –...
  • Page 122 Main Control Board AC PIN 1 – LEFT FF DOOR SW PIN 2 – FZ DRAWER SW PIN 3 – RT FF DOOR SW PIN 4 - OPEN PIN 1 – HOT WATER INTERLOCK PIN 2 – AC GROUND PIN 1 – FZ IM RAKE MTR PIN 3 –...
  • Page 123 PFE29PS Main Board Schematic 5/4/2012...
  • Page 124 Door Control Board 5/4/2012...
  • Page 125 Door Control Board The door control board operates some or all of the following outputs depending on the model identification used: A/C outputs: Dispenser water valve Ice in door icemaker heater Ice in door icemaker rake motor Ice in door icemaker water valve D/C outputs Auger motor Duct door motor...
  • Page 126 Door Control Board DC PIN 11 – IM EJECTOR RAKE SENSOR PIN 1 - ICE BOX GASKET HTR PIN 12 – PADDLE SWITCH PIN 2 - OPEN PIN 13 – FILL TUBE HTR PIN 1 – IM THERMISTOR PIN 3 – FZ LED - PIN 14 –...
  • Page 127 Door Control Board AC PIN 1 – L1 A/C POWER SUPPLY PIN 2 – IM RAKE MOTOR PIN 3 – IM WATER VALVE PIN 4 – SWITCHED L1 AUGER INPUT PIN 5 - OPEN THIS WILL BE THE HEATER PIN 6 – AUGER MOTOR DC - CONNECTOR FOR HOT PIN 7 –...
  • Page 128 Door Control Board The dispenser board controls all AC and DC functions of the left hand fresh food door. This board is accessed at the top of the door after removing the three cover screws. 5/4/2012...
  • Page 129 PFE29PS Door Schematic 5/4/2012...
  • Page 130 Door Control Board Block Diagram 13.6 VDC from Main Board 5 Volt Regulator Relay Relays Door Fill Tube heater Relay Driver 5 VDC Relay Door IM Water Valve Ice Box gasket heater Relay Door IM Rake Motor Duct Door Motor Relay Door IM Heater Vertical Mullion Heater...
  • Page 131 Dispenser Door Components 5/4/2012...
  • Page 132 Ice-in-Door Components Icemaker assembly Duct door Auger bucket assembly Duct door motor Auger motor Ice funnel Ice box door & gasket Ice & water paddle and Air ducts and gaskets switch assembly Water tank Door control board Water valve Sensor fill components Flow meter Freezer drawer LEDs Water filter...
  • Page 133 Ice and Water in Door ICE BOX Pull lever out to open WATER TANK AND VALVE Lift slightly “up” to remove bucket 5/4/2012...
  • Page 134 Ice Box Door Gasket The gasket is easily removed by pulling the retainer out of the groove 5/4/2012...
  • Page 135 Ice Box Air Flow SUPPLY AIR RETURN AIR 5/4/2012...
  • Page 136 Ice Box Ports Ice Box air supply gasket Ice Box port gaskets are removed by pushing inward with a putty knife to release the retainer tab from the duct groove. Ice Box air return gasket 5/4/2012...
  • Page 137 Auger Bucket CCW FOR CRUSHED ICE CW FOR CUBED ICE 5/4/2012...
  • Page 138 ELECTRICAL COVER AUGER MOTOR Prior to working on the ice maker and associated components, GE Factory Service Technicians are required to properly lockout the unit and control the cord. That may require the application of the LOTO box, lock and tag.
  • Page 139 Ice Box and Icemaker Thermistors Both Ice Box and freezer icemakers contain thermistors Ice Box thermistor located in the electrical cover 5/4/2012...
  • Page 140 Icemakers The icemakers are similar to previous icemaker designs. Although similar, they are NOT interchangeable with each other (between door and freezer models) or any other service icemaker! PFE29/GFE29 ICEMAKER GFE29 ICEMAKER door mounted freezer mounted 5/4/2012...
  • Page 141 Icemakers The icemakers operate in much the same way as previous bottom freezer models with one significant difference: the icemakers are controlled by either the main control board or the door control board. The board inside the icemaker does NOT control operation.
  • Page 142 Icemakers Power On Diagnostics If the icemaker thermistor temperature is 40°F (4.4°C) or higher* when the icemaker is connected to power, the control will perform a Power On test before entering the freeze cycle. The test consists of the following: Turn on the motor and rotate until it reaches home again Turn on the water valve for 1/2 second Turn on the heater for 1/2 second...
  • Page 143 Icemaker Sequence The normal icemaker sequence is to fill the mold with water, wait until the water is frozen, harvest the ice and then repeat the cycle. To accomplish this sequence, three cycles are defined: Freeze, Harvest and Water Fill. Freeze cycle begins after a fill, when the mold temp drops below 32˚F*...
  • Page 144 Icemaker Diagnostics At any time during the first 15 seconds of power up, the service diagnostic test may be entered. The service test is entered by pushing the feeler arm from the “out” position to the “in” position and back again 3 times within 15 seconds (only 3 times!). Note: If the icemaker had already started into the harvest cycle before being disconnected from power, it may be impossible to properly move the arm.

  • Page 145: Icemaker Schematic

    Icemaker Schematic 5/4/2012...
  • Page 146 Ice Box control The door control board monitors the ice box thermistor to control temperatures in the ice box. The ice box fan circulates cold air from the freezer evaporator through the cabinet ducting to achieve the desired temperature. The temperature in the ice box will vary based on the freezer set point and the state of ice production or storage.
  • Page 147 Icemaker and Auger Motor Removal Remove 5/16” screw Remove Phillips screw to expose connectors Disconnect both Molex connectors Note: Ice Box thermistor is mounted to cover GE Factory Service Technicians are required to always wear cut resistant gloves prior to commencing the repair. 5/4/2012...

  • Page 148: Icemaker Removal

    Icemaker Removal Lift the icemaker up and off of the 2 mounting tabs 5/4/2012...

  • Page 149: Auger Motor Removal

    Auger Motor Removal Disconnect 2 pin Molex connector Remove Phillips screw Pull the auger motor assembly straight out to remove Remove Phillips screw Note: Icemaker does not have to be removed 5/4/2012...

  • Page 150: Auger Motor Assembly

    Auger Motor Assembly CCW FOR CUBED ICE CW FOR CRUSHED ICE 5/4/2012...
  • Page 151 Water Valve, Flow Meter and Water Tank 5/4/2012...

  • Page 152: Access Cover Removal

    Access Cover Removal On the lower part of the left fresh food door, remove the three T20 screws holding the access panel T20 screw T20 screw T20 screw 5/4/2012...
  • Page 153 Water Valve and Water Tank Location The water valve is located in the lower part of the left fresh food door and supplies water to both the icemaker and the water dispenser. The flow meter operates the same as previous models with the ‘Precise Fill’ Water Valve feature.
  • Page 154 Water Valve and Flow Meter Assembly The flow meter is attached to the water Remove Phillips screw valve with a Phillips screw and quick connector. To separate the water valve from the flow meter, remove the Phillips screw and push in on collar to release the quick connector.
  • Page 155 Water Filter Location The water filter is located on the right side of the left fresh food door. To open the filter compartment, press the bottom of the cover to release and swing open the cover, exposing the filter. 5/4/2012...

  • Page 156: Water Filter Removal

    Water Filter Removal Lift and rotate the water filter upward until it stops. Maintaining that same angle, pull the water filter straight out. DO NOT TWIST OR TURN. Removing the water filter turns off the water to the door water valve. A bypass cartridge is installed in the water filter manifold for shipping.
  • Page 157 Water Filter Manifold Removal Remove three ¼” screws from the top hinge cover Open both fresh food doors to 90˚ Move the cover slightly forward to release the tabs from the hinges and slide back. 5/4/2012...
  • Page 158 Water Filter Manifold Removal Remove the hinge cover assembly and lay the cover back onto the cabinet to access the top hinge screws, wiring and water tubing. Cabinet water tubing conduit 5/4/2012...
  • Page 159 Water Filter Manifold Removal Remove the tube clamp from the hinge Disconnect the top side of the quick connector located at the rear of the cabinet, 15” down from the top. 5/4/2012...
  • Page 160 Water Filter Manifold Removal Pull the water tubing out of the conduit. Slide the spring and clamp off of the tubing. 5/4/2012...
  • Page 161 Water Filter Manifold Removal Pry either tab inward slightly to release and remove the cover assembly. Use tape on a small screw driver to prevent damage. Note: If the filter door is left open and the door is closed the assembly will pop off rather than break. 5/4/2012...
  • Page 162 Filter Manifold Removal Disconnect tubing from the flow meter inlet Remove the screw Slide the manifold up to release it from the upper and lower tabs REMOVE Pull down to remove the tubing from the door 5/4/2012...
  • Page 163 Filter Manifold Assembly (manufacturing diagram) NOTE: The manifold comes as an assembly Outer Spool Inner Spool Retainer Lock out stem Spring Ferrules ¼” Outlet tube ¼” Inlet tube Ferrule/ Outer Spool o-rings Gasket Note: Bypass plug and o-ring not shown 5/4/2012...
  • Page 164 Routing of Water Filter Manifold Tubing From Door Hinge TO WATER VALVE TO DOOR HINGE Water valve BACK VIEW 5/4/2012...
  • Page 165 Water Filter GFE29 The water filter is located in the top left of the fresh food cavity Water is supplied from the isolation valve powered by the main control board The GE model uses the same water filter as the Profile 5/4/2012...
  • Page 166 Dispenser Access Remove the 2 Phillips screws from the bottom of the control panel 5/4/2012...
  • Page 167 Ice Funnel Removal Push up on both the right and left retainers to release the funnel Slide the funnel forward to remove 5/4/2012...
  • Page 168 Duct Door and Duct Door Motor Removal The motor opens and closes the duct door. The spring is used to keep the duct door closed. Take note of how the spring is installed before disassembly. 5/4/2012...
  • Page 169 Duct Door and Duct Door Motor Removal Gently pry the motor forward to release 5/4/2012...
  • Page 170 Duct Door and Duct Door Motor Removal Pull the motor out of the bracket Move the motor and duct door to the right to release the spring and pin NOTE: The duct door and motor are available separately 5/4/2012...
  • Page 171 Dispenser Actuator Paddle and Switch Dispenser Actuator Paddle & Switch The paddle switch is a 2 position switch with 3 wires. It has a common with a normally open and normally closed contact. Both the door board and user interface board (UI) look for a change of state of both contacts when the paddle is depressed before the selected function is activated.
  • Page 172 Dispenser Actuator Paddle and Switch Bottom Tabs 5/4/2012...
  • Page 173 Dispenser Actuator Paddle and Switch Flex either tab inward to disengage the pin from the hole in the tab. Then pull up to release the bottom tabs. 5/4/2012...
  • Page 174 Questions? 5/4/2012...

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