ACP MenuMaster RFS Subway Series Service Training Manual
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ACP MenuMaster RFS Subway Series Service Training Manual

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Service Training Manual
RFS Subway Models
RFS - 60 Hz
August 2011
16400014
1

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Summary of Contents for ACP MenuMaster RFS Subway Series

  • Page 1 Service Training Manual RFS Subway Models RFS - 60 Hz August 2011 16400014...

  • Page 2: Table Of Contents

    Table of Contents Important Safety Information..................1-5 Installation........................7 Specifications........................8 Quick Start Reference Guide..................9-11 Components......................12-13 Disassembly......................14-16 Performance Testing Procedures................17-18 Component Testing Procedures ................19-22 Troubleshooting......................23-28 Schematic / Wiring Diagrams..................29-32...

  • Page 3: Important Safety Information

    Important Safety Information...

  • Page 4: Important Information

    Important Notices for Servicers and Consumers ACP will not be responsible for personal injury or property damage from improper service procedures. Pride and workmanship go into every product to provide our customers with quality products. It is possible, however, that during its lifetime a product may require service.
  • Page 5 1. Always operate the unit from an adequately switches there is not valid reason for this action grounded outlet. Do not operate on a two-wire at any time; nor will it be condoned by ACP. extension cord. 9. IMPORTANT: Before returning a unit to a 2.

  • Page 6: Important Safety Instructions

    IMPORTANT SAFETY INSTRUCTIONS Recognize this symbol as a SAFETY message WARNING When using electrical equipment, basic safety precautions should be followed to reduce the risk of burns, electrical shock, fire, or injury to persons including the following. 1. READ all instructions before using equipment. 9.
  • Page 7 IMPORTANT SAFETY INSTRUCTIONS WARNING WARNING To avoid risk of fire in the oven cavity: Liquids such as water, coffee, or tea are able to be overheated beyond the boiling point without a. DO NOT overcook food. Carefully attend oven appearing to be boiling due to surface tension of the when paper, plastic, or other combustible liquid.
  • Page 8 RFS 60 Hz Specifications Installation · Unpacking the oven · Radio Interference · Oven Placement Power Specification · Input- Power Source · Output- Power Source · Power Consumption Cavity Dimensions · Weight...

  • Page 9: Installation

    Installation Unpacking Oven Oven Placement • Inspect oven for damage such as dents in door or • Do not install oven next to or above source of heat, dents inside oven cavity. such as pizza oven or deep fat fryer. This could cause •...

  • Page 10: Specifications

    Specifications Models RFS12SW2B, RFS12SW2C, RFS12TSW Power Source Voltage AC 120V Amperage 20 A Frequency 60 Hz Single Phase, 3 wire grounded Plug Configuration / Cord NEMA 5-20 Power Output Nominal microwave energy 1200 W (IEC705) Minimum temperature rise 12°F / 6.5°C Operating Frequency 2450 MHz Power Consumption...
  • Page 11 RFS 60 Hz Quick Start Reference Guide Control Panel · Manual operation · Programming items · Qty 2X Pad Clean Filter User Options · Changing options · Factory presets...

  • Page 12: Quick Start Reference Guide

    This oven displays at user Oven Wall Clearances defined intervals. When the message displays ACP recommends cleaning the A—For North American (UL/CSA) models, allow at least air filter thoroughly. Cleaning the air 2” (5.1 cm) of clearance around top of oven. For filter will not shut off the message.
  • Page 13 Quick Start Reference Guide Refer to Product Safety Manual for Safety Statements Complete Owner’s Manual available online Can I change an option? Options such as single or double pad programming, beep volume, and maximum cooking time can be changed to suit individual preferences. To change options: 1.
  • Page 14 RFS 60 Hz Components Location...

  • Page 15: Components

    Components Location Cavity Stirrer Motor Blower Motor H.V. Capacitor H.V. Capacitor Antenna Diode Diode Transformer Magnetron TCO’s Oven Door Fuse Magnetrons Board Interlock Switch Control Panel Transformer Splatter Shield Bottom Antenna Bottom Stirrer Motor Oven Tray Suction Cup (Used for aid in removing oven tray) 59001235...

  • Page 16: Disassembly

    Disassembly Door removal · Disassembly Control panel removal · Wire terminals...
  • Page 17 Disassembly Door Removal 1. Disconnect power to oven. 2. Open oven door, remove top hinge cap, and slowly lift door to disengage the hinge pins at top and bottom. Top hinge cap hinge 3. To reinstall door, place top pin into slot rst, then align bottom pin. 4.

  • Page 18: Control Panel Removal

    Disassembly Control Panel Removal 1. Disconnect power to oven and remove outer case. 2. Disconnect and label wires from controller/timer. 3. Open oven door. 4. Remove screw securing top of control panel to cavity. Lift control panel up and out to release tabs. Disconnecting Wire Terminals All wire terminals are locking-type terminals.

  • Page 19: Performance Testing Procedures

    Performance Testing Procedures...

  • Page 20: Important Notes

    Performance Testing Procedures WARNING To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires it. All Amana and Menumaster microwave oven power outputs are rated using the IEC705 standards. Using the IEC705 test method requires precision measurements and equipment that is not practical to be performed in the field.

  • Page 21: Component Testing Procedures

    Component Testing Procedures...
  • Page 22 Component Testing Procedures WARNING To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires it. Illustration Component Testing Results Thermal cutout Disconnect all wires from TCO. Measure resistance across terminals. Cavity TCO ..........
  • Page 23 Component Testing Procedures WARNING To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires it. Interlock switch assembly Disconnect wires to switch. With door open measure resistance from: Top Monitor –...
  • Page 24 Component Testing Procedures RFS12* WARNING To avoid risk of electrical shock, personal injury or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires it. RLY 3 TAB 1 TAB 2 Function Test Set-Up / Meter Probe Placement Results Condition Setting...

  • Page 25: Troubleshooting

    Troubleshooting...
  • Page 26 Troubleshooting WHEN YOU GET A COMPLAINT FROM YOUR CUSTOMER, EVALUATE THE COMPLAINT CAREFULLY. IF THE FOLLOWING SYMPTOMS APPLY, PLEASE INSTRUCT THE CUSTOMER IN THE PROPER USE OF THE MICROWAVE OVEN. THIS CAN ELIMINATE AN UNNECES- SARY SERVICE CALL. 1. Check grounding before checking for trouble. 2.
  • Page 27 Troubleshooting Trouble 1: The following visual conditions indicate a probable failed control circuit. 1. Incomplete segments. • Segment missing. • Partial segment missing. • Digit flickering (Note: Slight flickering is normal.) 2. Colon does not turn on or blink. 3. A distinct change in the brightness of one or more numbers in display. 4.
  • Page 28 Troubleshooting Trouble 2: Oven does not operate at all, Display window does not display any figures, and no input is accepted. CONDITION CHECK RESULT CAUSE REMEDY Malfunction of the Replace fuse, Check continuity 1. Fuse blows. Continuity. interlock assembly monitor switch. of monitor switch (with door closed).
  • Page 29 Troubleshooting Trouble 3: Display shows all figures set, but oven does not start cooking while desired program times are set and START pad is touched. CONDITION CHECK RESULT CAUSE REMEDY Defective Replace Check continuity 1.Setting time No continuity. secondary switch. secondary switch.
  • Page 30 Troubleshooting TROUBLE 5: No microwave oscillation even though oven lamp and blower motor run. (Display operates properly) CONDITION CHECK RESULT CAUSE REMEDY Defective PCB No microwave Disconnect the Replace PCB No continuity. wire leads from oscillation. assembly assembly relay 3 and check continuity of relay 3 Continuity.

  • Page 31: Schematic / Wiring Diagrams

    Schematic / Wiring Diagrams...
  • Page 32 Schematic / Wiring Diagram RFS12SW2B WIRING DIAGRAM BTM PRIMARY INTERLOCK SWITCH DANGER HIGH VOLTAGE...
  • Page 33 Schematic / Wiring Diagram RFS12SW2C WIRING DIAGRAM DANGER HIGH VOLTAGE...
  • Page 34 Wiring Diagram RFS12TSW TAB 1 BTM PRIMARY INTERLOCK SWITCH DANGER...
  • Page 35 Notes...
  • Page 36  2011 ACP Inc. www.acpsolutions.com Part No. 16400014 Cedar Rapids, Iowa 52404 Printed in U.S.A. 08/11...

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