LG LSE4617ST Service Manual
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LG LSE4617ST Service Manual

30” electric range
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삼
흥
정
판
30" ELECTRIC RANGE
SERVICE MANUAL
MODEL: LSE4617ST
CAUTION
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
P/NO : MFL37118359
Internal Use Only
October, 2016
Printed in Korea

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  • Page 1 삼 흥 정 판 Internal Use Only 30” ELECTRIC RANGE SERVICE MANUAL MODEL: LSE4617ST CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. October, 2016 P/NO : MFL37118359 Printed in Korea...
  • Page 2 SAFETY PRECAUTIONS • Repairs of the appliance should be carried out by a licensed technician only. Incorrect repairs may result in dangerous situations. If you need repairs, contact an LG Service Center or your dealer. • If the power cord is defective, it must be replaced by a qualified service agent with a UL listed range cord.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS (Page) GENERAL - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-1 ~ 1-5 •...
  • Page 4 (Page) COMPONENT TEST - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1 ~ 4-10 - Door switch - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-3 - Outer Broil heater - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-3 - Inner Broil heater - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-3...

  • Page 5: General

    GENERAL IMPORTANT SAFETY INSTRUCTIONS Read and follow all instructions before using your oven to prevent the risk of fire, electric shock, injury to person, or damage when using the range. This guide don’t cover all possible conditions that may occur. For further assistance contact your service agent or manufacturer.
  • Page 6 GENERAL IMPORTANT SAFETY INSTRUCTIONS • Be sure your appliance is properly installed and grounded by a WARNING qualified technician. • Do not repair or replace any part of the appliance unless • DO NOT touch heating elements or specifically recommended in the manual. interior surfaces of oven.
  • Page 7 GENERAL IMPORTANT SAFETY INSTRUCTIONS • Do Not Leave Children Alone - Children should not be left alone or SELF-CLEAN OVENS unattended in area where appliance is in use. They should never be • Do Not Clean Door Gasket – The door gasket is essential for a allowed to sit or stand on any part of the appliance.

  • Page 8: Model & Serial Number Label And Tech Sheet Locations

    GENERAL MODEL & SERIAL NUMBER LABEL AND TECH SHEET LOCATIONS The Model/Serial Number label and Tech Sheet locations are shown below. Tech Sheet Location Model & Serial Number Location...

  • Page 9: Specifications

    GENERAL SPECIFICATIONS Model Number LSE4617ST Category Slide-in oven range Overall Width 29 7/8 Installation type Slide-In Color availability Control Oven Glass Touch Cooktop Knob Display Electronic clock & timer Control lock capability Audible preheat signal Special function Setting (7 categories) 1.

  • Page 10: Using Your Range

    USING YOUR RANGE GENERAL INFORMATION Convection Bake / Roast Mode Rating Label Upper element, lower element, Rear element(some Model numbers are recorded on the rating label. model) and fan operate during convection bake. Rating label is located on the lower front left corner Convection bake should be used for cooking of the oven frame.

  • Page 11: Control Panel Features

    USING YOUR RANGE CONTROL PANEL FEATURES HI/Boost HI/Boost Simmer Simmer Induction Mode Warm Induction A. ELEMENT ON/OFF INDICATOR LIGHT: Shows F. HOT SURFACE INDICATOR LIGHT : It will glow as whether the surface element is turned on or off. long as any surface cooking area is too hot to B.
  • Page 12 USING YOUR RANGE Setting Surface Controls 3. To activate the Boost mode, turn the knob directly from Off to Boost. 1. Cooking Element LED Bar The range provides an LED bar for each cooking element on the cooktop. Check messages in the display window and use the LEDs with the HI/Boost corresponding control knobs to monitor the power...
  • Page 13 USING YOUR RANGE Pan Preheat Recommendations Power Management Induction cooking may decrease the amount of time The cooking zones, which consist of paired cooking required to preheat cookware compared to cooking elements, are restricted to drawing a certain on a radiant element cooktop or gas surface burner. maximum amount of power.
  • Page 14 To disconnect the appliance from the network, delete your smart phone using the Smart ThinQ it from the registered appliances in the app. application or via your telephone to the LG call 6. Oven Light – Press the button to turn oven light on center.

  • Page 15: Setting The Clock

    USING YOUR RANGE 2) CONVECTION AUTO CONVERSION 1. SETTING THE CLOCK 1. Set the oven mode knob to the Off position. 1. Set both oven mode knobs to the Off position. 2. Press and hold Cook Time for three seconds. 2.

  • Page 16: Bake, Timed Bake, Delayed Timed Bake

    USING YOUR RANGE 7) COOKTOP BEEPER VOLUME 8. POWER MANAGEMENT 1. While its paired element is in use, The water is 1. Set the oven mode knob to the Off position. 2. Press and hold Start Time for three seconds not broiling consistently.

  • Page 17: Warming Drawer

    LG with your range. Warming drawer rack in position • Do not put food or foil directly on the surface or base of the warming drawer.

  • Page 18: Component Access

    COMPONENT ACCESS This section instructs you on how to service each component inside the range. The components and their locations are shown below. COMPONENT LOCATIONS Surface Elements Door Locking Motor & Micro Switch Door Switch Oven lamp Encoder PCB Inner broil heater Infinite switch Door Latch Assembly Oven Sensor...

  • Page 19: Removing The Back Cover

    COMPONENT ACCESS REMOVING THE BACK COVER WARNING • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. - Failure to do so can result in severe personal injury, death or electrical shock.

  • Page 20: Removing The Oven Relay Pcb, Power Pcb

    COMPONENT ACCESS REMOVING THE OVEN RELAY PCB, POWER PCB 4. To remove the Oven Relay PCB, Disconnect 8ea WARNING connectors. • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. - Failure to do so can result in severe personal injury, death or electrical shock.

  • Page 21: Removing The Controller

    COMPONENT ACCESS REMOVING THE CONTROLLER 6. To remove the controller WARNING • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. You can remove the controller after unplug the - Failure to do so can result in severe personal 7ea connectors of Main PCB and Cooktop injury, death or electrical shock.

  • Page 22: Removing The Mainpcb And Key Pcb Assembly

    COMPONENT ACCESS REMOVING THE MAIN PCB AND KEY PCB ASSEMBLY WARNING • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. 5. To remove the Key PCB assembly remove the 2 - Failure to do so can result in severe personal screws under the controller.

  • Page 23: Removing Knob And Infinite Switch

    COMPONENT ACCESS REMOVING KNOB AND INFINITE SWITCH c) Remove the 2 screw of Knob Housing WARNING • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. - Failure to do so can result in severe personal injury, death or electrical shock.

  • Page 24: Removing The Cooktop From The Oven

    COMPONENT ACCESS REMOVING THE COOKTOP FROM THE OVEN c) Pull the Cooktop vertically from the range. WARNING • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. - Failure to do so can result in severe personal injury, death or electrical shock.

  • Page 25: Removing The Ceramic Galss Cooktop From The Cooktop

    COMPONENT ACCESS REMOVING THE CERAMIC GALSS COOKTOP FROM THE COOKTOP b) Remove the Ceramic glass Cooktop WARNING • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. - Failure to do so can result in severe personal injury, death or electrical shock.

  • Page 26: Removing The Working Coil Plate And Working Coil

    COMPONENT ACCESS REMOVING THE WORKING COIL PLATE AND WORKING COIL b) First, Remove the Top sensor connector and WARNING Thermal fuse connector on the upper right side of the Case Assembly. • DISCONNECT power supply cord from the outlet before servicing. •...
  • Page 27 COMPONENT ACCESS e) Remove the 8 working coil screws from the CAUTION Inverter PCB. - When you assemble the Working coil plate, Make sure the MICA Sheet direction and position as below. When you assemble the Working coil plate, Left Right (4 screws) Make sure the LED PCB harness position as...
  • Page 28 COMPONENT ACCESS - When you assemble the Working coil plate, - When you assemble the Box Fan Harness, Make sure the Working coil harness position as Make sure that the earth harness should be below. twisted with Right Box Fan harness - When you assemble the Cooktop, Make sure the Power Harness locking as below.

  • Page 29: Removing The Burner Individually

    COMPONENT ACCESS REMOVING THE BURNER INDIVIDUALLY b) Remove the thermal fuse WARNING form the packing. • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. - Failure to do so can result in severe personal injury, death or electrical shock.

  • Page 30: Removing The Noise Filter Pcb And Inveter Pcb

    COMPONENT ACCESS REMOVING THE NOISE FILTER PCB AND INVETER PCB b) Remove the 6 Screws from the PCB Case. WARNING Screw 3EA • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. •...
  • Page 31 COMPONENT ACCESS d) Remove 8 Connectors from the NOISE FILTER g) Remove the NOISE FILTER PCB and INVERTER PCB and INVERTER PCB. PCB from PCB Case. Left (Same as Right Side) e) Remove 1 screw above the film and pick it out. Left Screw 1EA (Same as Right Side)

  • Page 32: Removing The Box Fan And Blow Fan

    COMPONENT ACCESS REMOVING THE BOX FAN AND BLOW FAN b) Change the position in reverse. After that, WARNING remove the 4 Box fan screws. • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating.

  • Page 33: Removing The Led Pcb

    COMPONENT ACCESS REMOVING THE LED PCB b) Pull the LED PCB Case from the working coil WARNING plate. • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. - Failure to do so can result in severe personal injury, death or electrical shock.
  • Page 34 COMPONENT ACCESS CAUTION CAUTION - When you assemble the LED PCB, Make - When you assemble the LED PCB, Make sure the PCB P/No. as below. sure the PCB Harness connection as below. EBR82746403 EBR82746404 EBR82746401 EBR82746402 Check the P/No. Left(Back Side) - When you assemble the LED PCB, Make sure the PCB Assembly position.

  • Page 35: Removing The Cooktop Main Pcb

    COMPONENT ACCESS REMOVING THE COOKTOP MAIN PCB b) Unplug the all connectors from cooktop main WARNING PCB. • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. - Failure to do so can result in severe personal injury, death or electrical shock.

  • Page 36: Removing The Warm Heater

    COMPONENT ACCESS REMOVING THE WARM HEATER b) Remove the 4 connectors from the warm WARNING heater. • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. - Failure to do so can result in severe personal injury, death or electrical shock.

  • Page 37: Removing The Cooling Motor, Thermal Disk And Door Switch

    COMPONENT ACCESS REMOVING THE COOLING MOTOR, THERMAL DISK AND DOOR SWITCH b) Remove the 3 screws on the back panel for WARNING remove cooling motor • DISCONNECT power supply cord c) Remove the wires from the cooling motor from the outlet before servicing. d) Remove the 3 screws on the main duct from •...
  • Page 38 COMPONENT ACCESS e) Remove the door latch from the burner box 8. To remove the door switch and unhook the actuating rod. a) Disconnect the wires from the terminal b) Remove the door switch from the range. To do this, squeeze tabs and use a ratchet extension or a small socket, and tap it out of the hole with a hammer.

  • Page 39: Removing The Broil Element

    COMPONENT ACCESS REMOVING THE BROIL ELEMENT b) Remove the 4 screws from the front and rear WARNING brackets. • DISCONNECT power supply cord Screws from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. - Failure to do so can result in severe personal injury, death or electrical shock.
  • Page 40 COMPONENT ACCESS 4. Release 2 hooks and remove 4 screws. 7. Pull up the broil heater and remove from the Spring. Screws Broil heater 5. Remove 2 screws and separate the broil assembly from the upper cavity. Screws Spring 6. Remove 2 screws and heater cover(mesh). Heater cover 2 Screws...

  • Page 41: Removing The Convection Element, Fan Blade And Fan Motor

    COMPONENT ACCESS REMOVING THE CONVECTION ELEMENT, FAN BLADE AND FAN MOTOR 7. To remove Fan blade, remove Nut by screwing 1. Disconnect power and remove oven racks. clockwise. Fan blade can be replaced from inside 2. Pull the range out of its mounting location so that oven.

  • Page 42: Removing The Oven Light & Socket Assembly

    COMPONENT ACCESS REMOVING THE OVEN LIGHT & SOCKET ASSEMBLY WARNING CAUTION • DISCONNECT power supply cord • Be careful not to scratch or chip the from the outlet before servicing. oven liner paint when you remove • Replace all panels and parts before the oven light socket in the next operating.

  • Page 43: Removing The Latch Drive Assembly

    COMPONENT ACCESS REMOVING THE LATCH DRIVE ASSEMBLY DOOR LOCKING MECHANISM WARNING The door lock assembly is located at the back side • DISCONNECT power supply cord of range. from the outlet before servicing. The structural elements are as below. • Replace all panels and parts before 1.

  • Page 44: Removing The Oven Temperature Sensor

    COMPONENT ACCESS REMOVING THE OVEN TEMPERATURE SENSORS 5. To remove an oven temperature sensor, WARNING zdisconnect the connector from the main harness and remove the mounting screw in oven cavity. • DISCONNECT power supply cord from the outlet before servicing. •...

  • Page 45: Removing & Replacing The Lit-Off Oven Door And Drawer

    about 5° COMPONENT ACCESS REMOVING & REPLACING THE LIT-OFF OVEN DOOR AND DRAWER Replacing the Door CAUTION Step. 1 • Be careful when removing and Firmly grasp both lifting the door. sides of the door at • DO NOT lift the door by the handle. the top.
  • Page 46 COMPONENT ACCESS REMOVING & REPLACING THE LIT-OFF OVEN DOOR AND DRAWER Step. 4 CAUTION Pull the drawer away from the range. • Disconnect the electrical power to the range at the main fuse or circuit Replacing the Door breaker panel. Failure to do so can result in severe personal injury, death, or electrical shock.

  • Page 47: Removing A Side Panel

    COMPONENT ACCESS REMOVING A SIDE PANEL 8. Pull the back of the side panel out from the range WARNING approximately 10˚ • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. • RECONNECT all grounding devices. - Failure to do so can result in severe personal injury, death or electrical shock.

  • Page 48: Removing The Oven Door Handle & Glass

    COMPONENT ACCESS REMOVING THE OVEN DOOR HANDLE & GLASS 6. To remove the door handle & air guide WARNING a) Remove 2 screws from air guide and then remove the air guide by lifting that. • DISCONNECT power supply cord 2 screws from the outlet before servicing.
  • Page 49 COMPONENT ACCESS 7. To remove a hinge hanger assembly: a) Follow the step 3~4 on page 3-28. b) Place the frame assembly on a padded work surface. c) Remove 4screws from door frame middle. Outer glass 4 Screws a) Lift the outer glass and bracket out of the door liner.

  • Page 50: Removing The Oven Door Gasket

    COMPONENT ACCESS REMOVING THE OVEN DOOR GASKET 3. Pull the ends of the gasket out of the liner holes. WARNING Liner Hole • DISCONNECT power supply cord from the outlet before servicing. • Replace all panels and parts before operating. •...

  • Page 51: Component Test

    COMPONENT TEST Before testing any of components, perform the following checks: NOTE: 1. The most common cause for control failure is corrosion on connectors. Therefore, disconnecting and reconnecting wires will be necessary throughout test procedures 2. ALL units in the first few days of use should be checked for mis-wiring or loose connections 1.

  • Page 52: Door Locking Motor

    Components Test procedures Results Door locking Motor 1. Refer to page 3-26 for the servicing procedure Normal: Approximately 2.6 kΩ ± 10 % 2. Measure the resistance If not replace (Multiple meter scale: R x 1000) Abnormal: Infinite(open) below 5 Ω (shorted) Micro Switch 1.

  • Page 53: Door Switch

    Components Test procedures Results Door switch 1. Refer to page 3-26 for the servicing procedure Door latch Door latch open Locked 2. Measure the resistance (Multiple meter scale: R x 1000) Continuity Infinite Outer Broil heater 1. Refer to page 3-22 for the servicing procedure Normal: Approximately 23 Ω...

  • Page 54: Oven Lamp

    Components Test procedures Results Normal: Below 5 Ω. Oven lamp 1. Refer to page 3-26 for the servicing procedure If not replace 2. Measure the resistance (Multiple meter scale: R x 1000)

  • Page 55: Infinite Switch (Rr Switch)

    Components Test procedures Results Infinite switch 1. Refer to page 3-6 for the servicing procedure. (Single units): 2. Set the Multiple meter scale to the R x 1000. RR Switch 3. Disconnect all wires from infinite switch. 4. When turn on/turn off the knob, position measure the resistance between P1 to 2.

  • Page 56: Infinite Switch(Lf,Lr,Cf,Rf)

    Components Test procedures Results Infinite switch 1. Refer to page 3-6 for the servicing procedure. (Induction Unit): 2. Set the Multiple meter scale to the R x 1000. LF/LR/CR/RF 3. Disconnect all wires from infinite switch. 4. Push in and turn left knob to check the single type.
  • Page 57 Components Test procedures Results Surface Units: 1. Refer to page 3-9,10 for the servicing procedure Left Rear (LR) 2. Set the Multiple meter scale to the R x 1 3. Disconnect wires from cook-top elements Center Rear(CR) 4. Touch the ohmmeter test leads to the element Element terminal 1 and 2.

  • Page 58: Surface Unit: (Lr, Rr Element)

    Components Test procedures Results Surface Units: 1. Refer to page 3-9,10 for the servicing procedure Left Front(LF) 2. Set the Multiple meter scale to the R x 1 Element 3. Disconnect wires from cook-top elements 4. Touch the ohmmeter test leads to the element terminal 1 and 2.
  • Page 59 Components Test procedures Results Surface Units: 1. Refer to page 3-9,10 for the servicing procedure Right Front(RF) 2. Set the Multiple meter scale to the R x 1 Element 3. Disconnect wires from cook-top elements 4. Touch the ohmmeter test leads to the element terminal 1 and 2.
  • Page 60 Components Test procedures Results Normal: Approximately 570 Ω, Surface Units: 1. Refer to page 3-19 for the servicing procedure Right Rear(RR) If not replace 2. Set the Multiple meter scale to the R x 1 Element 3. Disconnect wires from cook-top elements 4.

  • Page 61: Schematic Diagram

    SCHEMATIC DIAGRAM NOTE: WARNING Schematic diagram shows POWER MUST BE DISCONNECTED BEFORE oven door opened and SERVICING THE APPLIANCE. FAILURE TO DO SO unlocked.All elements are set to “OFF”. CAN RESULT IN DEATH OR ELECTRICAL SHOCK. WIRE COLORS SYMBOL COLOR WHITE BLACK YELLOW...

  • Page 62: Conv. Bake / Conv. Roast

    1.Check the line voltage, household fuse or circuit breaker. 2.Check for loose wiring or mis-wiring within electric range. NOTE: The following individual circuits are for use in diagnosis, and are shown in the ON position. For Model: LSE4617ST CONV. BAKE / CONV. ROAST SELF CLEANING...

  • Page 63: Oven Light

    For Model: LSE4617ST OVEN LIGHT WARMING DRAWER RR COOK-TOP ELEMENT...

  • Page 64: Rf Cook-Top Element

    For Model: LSE4617ST LEFT REAR & CENTER REAR ELEMENT LEFT FRONT ELEMENT RF COOK-TOP ELEMENT...

  • Page 65: Broil / Speed Broil

    BROIL / SPEED BROIL WARM / PROOF / EASY CLEAN BAKE / SPEED ROAST...

  • Page 66: Composition Of Control

    COMPOSITION OF CONTROL Main PCB (P/N : EBR79332501) Front Relay PCB ( P/N : EBR80595405) Back SMPS PCB (P/N : EBR80595701) Touch PCB ( P/N : EBR79627801) Encoder PCB ( P/N : EBR80327001) Controller assembly Wifi PCB (P/N : EAX66957201) Buzzer PCB ( P/N : EBR76332902)

  • Page 67: Main Pcb

    COMPOSITION OF CONTROL Main PCB (P/N : EBR79332501) CN21 CN64 CN22 CN53 CN63 CN60 CN51 CN41 CN40 CN03 CN50 Relay PCB ( P/N : EBR80595405) CN52 CN51 CN53...

  • Page 68: Smps Pcb

    COMPOSITION OF CONTROL SMPS PCB (P/N : EBR80595701) CN02 CN01 Encoder PCB ( P/N : EBR80327001) CN41...

  • Page 69: Touch Pcb

    COMPOSITION OF CONTROL Touch PCB ( P/N : EBR79627801) Wifi PCB and Buzzer PCB ( P/N : EBR76332902) (P/N : EAX66957201)

  • Page 70: Svc Test Mode

    SVC TEST MODE 7-1 Sequence of SVC Test Mode ■ To enter the test mode, follow these steps: (1) Press the any button, and encoder is placed in the Off (2) Press the button in the following order :+/- (“+”and “-” hold for 3 seconds simultaneously) (3) Press the OVEN LIGHT button again.
  • Page 71 SVC TEST MODE • Active Load Icon • SW Version Current inspecting Relay’s information is displayed (7) Whenever you input the START button, the relay operation sequence should be as seen below. ※ Relay Operation Sequence RY11 RY12 RY13 Conv. Broil Broil C/Fan...
  • Page 72 SVC TEST MODE 7-2 Basic Check Summary Symptom : no heating(F9) Symptom : Oven hot(F6) -. Check : All heater Relays and -. Check : All heater Relays are DLB relay are open open/Shorted Symptom : Oven lamp not operating -.

  • Page 73: Troubleshooting

    TROUBLESHOOTING 8-1 Check the Failure Code ■ When the oven has a malfunction while cooking, Cooking will be canceled and log data of F-code will be recorded in EEPROM. F-code will not display during normal operation. ■ Check the failure code following these steps. 1.

  • Page 74: 8-2 Failure Code Summary

    TROUBLESHOOTING 8-2 Failure Code Summary To use the Smart Diagnosis, Follow the instruction on the smart phone. Code Description Explanation Check point Sensor open 1. Wiring Oven Thermistor is open 2. Oven Sensor Sensor short 1. Wiring Oven Thermistor is shorted. 2.
  • Page 75 TROUBLESHOOTING Code Description Explanation Check point Left IGBT Sensor Left IGBT Sensor is Open or Short 1. Check the IGBT Open/Short Resistance(Open) 2. Check the IGBT Sensor(Short) Right IGBT Right IGBT Sensor is Open or Short 1. Check the IGBT Sensor Open/ Resistance(Open) Short...

  • Page 76: Checking Flow Chart By Failure

    CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. Power Failure 1. Check Electrical Wiring (Dead) 2. Check the SMPS PCB Input Voltage with CN01 2. No Display CN01 CN03 CN02 Main PCB CN03 Pin No. Voltage Vf(4.3V) -33V CN02 Thermostat CN01 SMPS PCB...

  • Page 77: Power Failed(Dead), No Display

    Power Failed (Dead), No display? Go to 7 Check the AC input of SMPS (On the next PCB. Plug the unit Page) - SMPS PCB CN01 (Pin 1 and 3) Check the button beep. 120V AC? Touch the Clear button, Change the Can hear the beep Main PCB...
  • Page 78 CHECKING FLOW CHART BY FAILURE Check the connecting states Replace the Main PCB between CN02 of SMPS PCB and CN03 of Main PCB. Is it OK? Reconnect. If defective harness, replace or fix. If the same phenomenon occurs even though after fixed connection, you should replace the Main PCB...

  • Page 79: No Heating, F9

    CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. No heating 1. Check Electric Wiring 2. F9 2. Check Heater’s Resistance.(See the COMPONENET TEST section for pass/fail) 3. Check the Sensor.(See the COMPONENET TEST section for pass/fail) Broil Outer RY13 Broil Inner RY12...
  • Page 80 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. No heating 1. Check Electric Wiring 2. F9 2. Check Heater’s Resistance.(See the COMPONENET TEST section for pass/fail) 3. Check the Sensor.(See the COMPONENET TEST section for pass/fail) CN31...
  • Page 81 CHECKING FLOW CHART BY FAILURE Oven does NOT heat, F9? Check the resistance Replace the Unplug the unit of each heater. Normal? failed heater (Measure the resistance after cooling down. The resistance Reconnect. If is shown below) Is the Connector defective disconnected or loose? harness,...
  • Page 82 CHECKING FLOW CHART BY FAILURE Unplug the unit Range Of resistance Replace the Is the resistance of Heater Resistance[ Ω defective thermistor normal? Approximately Thermistor Inner Broil Check: Outer Broil Conv. Heater Pins 4 and 5 of CN31 in main PCB Normal- approximately 1.09kΩ...
  • Page 83 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. Door Lock System 1. Check the Electrical wiring Failure 2. Check the Motor’s Resistance(See the COMPONENET TEST section for 2. F10 pass/fail) 3. Check the Relay PCB (Door Lock Relay) CN31...
  • Page 84 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. Door Lock System 1. Check the Electrical wiring Failure 2. Check the Motor’s Resistance(See the COMPONENET TEST section for 2. F10 pass/fail) 3. Check the Relay PCB (Door Lock Relay)

  • Page 85: Door Lock System Failure,F10

    CHECKING FLOW CHART BY FAILURE Door Lock System Failure,F10? Plug in the unit Unplug the unit Note : Reconnect. If Just after self-clean start, the door lock motor Is the Connector disconnected defective starts to rotate. or loose? harness, During this time if the door lock switch does Check the following : replace or fix NOT operate properly after rotating twice,...
  • Page 86 CHECKING FLOW CHART BY FAILURE Replace the Relay PCB. If the same phenomenon occurs even though after replace Relay PCB, you should replace the Is the door lock switch Replace the Main PCB. (micro switch) normal? micro switch measure the resistance of door lock switch T normally open type Abnormal Normal...

  • Page 87: Sensing Fail / F1 / F2

    CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. Sensing Fail 1.Check the Electrical Wiring 2. F1 2.Check the Test Mode 3. F2 3. Check the Sensor’s Resistance(See the COMPONENET TEST section for pass/fail) CN31 9-12...
  • Page 88 CHECKING FLOW CHART BY FAILURE Sensing Fail, F1, F2? Unplug the unit Replace the Is the resistance of Is the Connector Reconnect defective thermistor normal? disconnected or loose? or adjust the Thermistor 1. Sensor connection connection 2. CN31 of Main PCB Check: Pins 4 and 5 of CN31 wiring in main PCB Normal- approximately 1.09kΩ...
  • Page 89 CHECKING FLOW CHART BY FAILURE Plug in the unit Is the value of thermistor Replace the normal? (Refer below) Relay PCB Check with the test mode To enter the test mode, follow these steps: 1. Press the any button, and encoder is placed in the Off 2.
  • Page 90 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. Oven hot 1.Check the Resistance of the Relay. 2. F6 2. Check the Sensor’s Resistance(See the COMPONENET TEST section for pass/fail) Broil Outer RY13 Broil Inner RY12 Conv Heater RY11 Warm Drawer RY10 pin of CN53...
  • Page 91 CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. Oven hot 1.Check the Resistance of the Relay. 2. F6 2. Check the Sensor’s Resistance(See the COMPONENET TEST section for pass/fail) CN31 9-16...

  • Page 92: Oven Hot, F6

    CHECKING FLOW CHART BY FAILURE Oven hot, F6? Is the heater relay normal? Replace the Relay PCB Unplug the unit Measure the resistance of Heater relay and Live. Replace the Is the resistance of Normal : infinite defective thermistor normal? Abnormal : shorted Thermistor Check:...
  • Page 93 CHECKING FLOW CHART BY FAILURE Plug in the unit Is the DLB relay normal? Replace the Is the value of thermistor Replace the Measure the resistance relay PCB normal? (Refer below) Main PCB Normal : infinite Check with the test mode Abnormal : shorted To enter the test mode, follow these steps: 1.

  • Page 94: Key Not Working / F3 Error

    CHECKING FLOW CHART BY FAILURE Symptom Check Point 1. Key not working 1. Check the Door Locking System. 2. F3 Error 2. Check the Electrical Wiring. CN53 9-19...
  • Page 95 CHECKING FLOW CHART BY FAILURE Plug in the unit F3 error (Button short error) Or button does not input Replace the Control panel. (With Glass Touch PCB) Unplug the unit And then check button operation using key test mode Reconnect o enter the test mode, follow these steps: Check the connecting states or adjust the...
  • Page 96 CHECKING FLOW CHART BY FAILURE F-11 error (communication error) F-11 error Check the Connection between Main PCB’s CN64 and System PCB’s CN10 Harness CN10 CN64 Normal? Reconnect Replace the Oven SYSTEM PCB Reset failure log and Check the F-code. 1. Press the ant button, and encoder is placed in the Off 2.

  • Page 97: Cf1(Ih Lf Top Sensor Error) Open / Short

    CHECKING FLOW CHART BY FAILURE Symptom Check Point CF1(IH LF Top Sensor Error) 1. Check the Top Sensor Connect Open / Short 2. Check The Top Sensor Resistance 1. OPEN 2. SHORT Reconnect Is the CN93 disconnected or Replace or adjust the loose Connection? The PCB connection...

  • Page 98: Cf2(Ih Lr Top Sensor Error) Open / Short

    CHECKING FLOW CHART BY FAILURE Symptom Check Point CF2(IH LR Top Sensor Error) 1. Check the Top Sensor Connect Open / Short 2. Check The Top Sensor Resistance. 1. OPEN 2. SHORT Reconnect Replace or adjust the The PCB connection Is the CN92 disconnected or Is the CN92 normal? loose Connection?

  • Page 99: Cf3(Ih Rf Top Sensor Error) Open / Short

    CHECKING FLOW CHART BY FAILURE Symptom Check Point CF3(IH RF Top Sensor Error) 1. Check the Top Sensor Connect Open / Short 2. Check The Top Sensor Resistance 1. OPEN 2. SHORT Reconnect Replace or adjust the The PCB connection Is the CN92 Is the CN92 normal? disconnected or loose Connection?

  • Page 100: Cf4(Ih Rr Top Sensor Error) Open / Short

    CHECKING FLOW CHART BY FAILURE Symptom Check Point CF4(IH RR Top Sensor Error) 1. Check the Top Sensor Connect Open / Short 2. Check The Top Sensor Resistance 1. OPEN 2. SHORT Reconnect Is the CN93 Replace or adjust the disconnected or loose The PCB connection...

  • Page 101: Cf5(Ih Left Igbt Sensor Error) Open / Short

    CHECKING FLOW CHART BY FAILURE Symptom Check Point CF5(IH Left IGBT Sensor 1. Check the Top Sensor Connect Error) 2. Check The Top Sensor Resistance Open / Short 1. OPEN 2. SHORT Replace The PCB Is the TH91 and TH92 disconnected? Is the R901 and R912 1.
  • Page 102 CHECKING FLOW CHART BY FAILURE Symptom Check Point CF6(IH Right IGBT Sensor 1. Check the IGBT Resistance Error 2. Check the IGBT Sensor Open / Short 1. OPEN 2. SHORT Replace The PCB Is the TH91 and TH92 disconnected? Is the R901 and R912 1.

  • Page 103: Cf7(Ih Left Comm. Error) (Open/Short)

    CHECKING FLOW CHART BY FAILURE Symptom Check Point CF7(IH Left comm. Error) 1. Check the CN71 Connect (open/short) Reconnect Is the CN71 or adjust the disconnected or loose connection Connection? 1. Comm harness and connector Is the CN71 normal? Measure the resistance(Pin to Pin Full Check) Normal : infinite Abnormal : shorted Replace The PCB...

  • Page 104: Cf8(Ih Right Comm. Error) (Open/Short)

    CHECKING FLOW CHART BY FAILURE Symptom Check Point CF8(IH Right comm. Error) 1. Check the CN71 Connect (open/short) Reconnect Is the CN71 or adjust the disconnected or loose connection Connection? 1. Comm harness and connector Is the CN71 normal? Measure the resistance(Pin to Pin Full Check) Normal : infinite Abnormal : shorted Replace The PCB...

  • Page 105: Cfa(Over Current)

    CHECKING FLOW CHART BY FAILURE Symptom Check Point CFA(Over Current) 1. Replace The INVERTER PCB(See page 3-13) 9-30...

  • Page 106: Cfc(Over Voltage)

    CHECKING FLOW CHART BY FAILURE Symptom Check Point CFC(OVER VOLTAGE) Check The voltage of Power Concent Is the Voltage of Power Concent normal? Normal- Under the 288V Don’t use Product 9-31...

  • Page 107: Cff(Box Fan Error)

    CHECKING FLOW CHART BY FAILURE Symptom Check Point CFF(Box fan Error) 1. Check the Electrical Wiring 2. Replace the Box Fan Right Fan Check Box fan harness connect Connecter Right Fan Connecter Harness connection properly? Replace the Box fan Reconnect or Adjust the connection Normal? Replace PCB...

  • Page 108: Appendix

    APPENDIX Key operation Test sequence First ※ How to enter the Test mode Enter the Test mode, follow these steps 1. Press the any button, and encoder is placed in the OFF 2. Press the button in the following order +/-(“+” and “-” hold for 3 seconds simultaneously) 3.

  • Page 109: Exploded View

    #EV# EXPLODED VIEW INTRODUCTION MODEL: Customer Model Product Code SVC Model COOKTOP PARTS CONTROLLER PARTS DOOR PARTS W229 DRAWER PARTS 9381 9501 9506 9504 8511 9381 W229 5080 9532 CAVITY PARTS...
  • Page 110 #EV# DOOR PARTS W243 102U 1008 W222 1020 1000 1703 1015 1035 1382 W230 W222 1009 W101 102S W230 173U W101 1018 102L 1704...
  • Page 111 #EV# CONTROLLER PARTS 244T 5206 244T 244T 244E 260B 260M 244S 244T W280 2052 2052 2052 2001 2051 2006 2221 2052 2026 2026 303L 2053 2002 260K 2385 303R 2087 2087 2085 2082 2082 2090 2047 2037 2050 260E 2042 2041 2043 2044...
  • Page 112 #EV# COOKTOP PARTS I 3056 3016 301C 3215 5013 5515 330S 5013 5515 5013 5515 330M 5013 5515 5536 5231 3022 330S 200Y 1022 200N 200Z 330H 200X 200E 200E 200M 200D 200W...
  • Page 113 #EV# COOKTOP PARTS II 5466 5466 5612 5235 5612 5134 5235 5444 5444...
  • Page 114 #EV# DRAWER PARTS 8514 8501 8513 8523 8507 W230 8517 1009 8021 8505 8504 8524 5505 8602 8512 851D 8520 5505 851D 8519 6008 8508...
  • Page 115 #EV# CAVITY PARTS 5540 3501 3093 3024 3511 3013 5517 3057 5124 3031 5510 5090 5501 5700 546L 5504 5603 5063 5032 546R 5507 5039 5535 5408 5502 W129 5511 5405 5006 4002 5020 3208 W102 507S 5611 5535 5611 W287 W124 507R...

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