Amana Menumaster RC5PHBU2 Service Manual
Amana Menumaster RC5PHBU2 Service Manual

Amana Menumaster RC5PHBU2 Service Manual

International countertop commercial microwave ovens

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Service
This manual is to be used by qualified appliance
technicians only. Maytag does not assume any
responsibility for property damage or personal
injury for improper service procedures done by
an unqualified person.
International
Countertop
Commercial
Microwave
Ovens
RC5PHBU2
P1331421M
RC5PHB2
P1331422M
RC520T2
P1331423M
RC5KFT2
P1331424M
RC5MCTP2
P1331425M
RC5MCTS2
P1331426M
RC5MDTS2
P1331427M
RC5MDTM2
P1331428M
MENUMASTER
C O M M E R C I A L
This Base Manual covers general information.
Refer to individual Technical Sheet
for information on specific models.
This manual includes, but is
not limited to the following:
RC520S
RC518SU
RC5MCTP
RC5PHBU
RC5PHB
RC5MCSP
RC5MCSS
RC5MCTS
RC5KFT
RC5MDTS
MRC518SU
MRC520S
RC5MDTM
RC518SU2
RC520S2
RC5MCSP2
RC518U2
MRC520S2
R
M I C R O W A V E
O V E N
P1327601M
P1327602M
P1327603M
P1327606M
P1327607M
P1327608M
P1327609M
P1327610M
P1327611M
P1327612M
P1327613M
P1327614M
P1327615M
P1331416M
P1331417M
P1331418M
P1331419M
P1331420M
16022149
May 2005

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Table of Contents
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Summary of Contents for Amana Menumaster RC5PHBU2

  • Page 1 RC518SU P1327602M RC5MCTP P1327603M RC5PHBU P1327606M Microwave RC5PHB P1327607M RC5MCSP P1327608M Ovens RC5MCSS P1327609M RC5MCTS P1327610M RC5KFT P1327611M RC5MDTS P1327612M RC5PHBU2 P1331421M MRC518SU P1327613M RC5PHB2 P1331422M MRC520S P1327614M RC520T2 P1331423M RC5MDTM P1327615M RC5KFT2 P1331424M RC518SU2 P1331416M RC5MCTP2 P1331425M RC520S2 P1331417M...
  • Page 2: Important Information

    Important Information Important Notices for Servicers and Consumers Maytag 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 3: Table Of Contents

    Table of Contents Important Information ............ 2 Disassembly Important Safety Information ......... 4 Door Handle ............28 Wiring ..............8 Door ..............28 Earthing Instructions ..........8 Outer Door ............28 Servicing of Earthing Products ........ 8 Inner Door Ring Assembly ........28 General Information Hinge ..............
  • Page 4: Important Safety Information

    Important Safety Information 16022149 ©2005 Maytag Services...
  • Page 5 Important Safety Information 16022149 ©2005 Maytag Services...
  • Page 6 Important Safety Information 16022149 ©2005 Maytag Services...
  • Page 7 8. Do not for any reason defeat the interlock switches. There is no valid reason for this action at any time; The basic design of the Amana and Menumaster nor will it be condoned by Maytag. microwave ovens make it an inherently safe device to 9.
  • Page 8: Wiring

    Important Safety Information WARNING W ARNING Precautions to be observed before and during To avoid risk of electrical shock, personal injury or servicing to avoid possible exposure to excessive death, make sure these earthing instructions are microwave energy, or electrical shock disconnect followed.
  • Page 9: General Information

    General Information Unpacking Oven Radio Interference • Inspect oven for damage such as dents in door or Microwave oven operation may cause interference to inside oven cavity. radio, television, or similar equipment. Reduce or • Report any dents or breakage to source of purchase eliminate interference by doing the following: immediately.
  • Page 10: Microwave Oven Description

    General Information Plug Receptacle Plug Receptacle 230 V / 13 AMP 230 V / 16 AMP Equipment requires a Equipment requires a 230 VAC, 50 Hz, 13 amp power supply 230 VAC, 50 Hz, 16 amp power supply Do not use a extension cord. If the product power cord is too short, have a qualified electrician install a three-prong receptacle.
  • Page 11: Troubleshooting

    Troubleshooting Power Up Plug oven into power source with oven door closed. Proceed to DISPLAY DIAGNOSTICS. Error Code Appears. ITEM POWER COOK PREHEAT READY STANDBY LEVEL 1. No line voltage. 2. Inoperative power cord. 3. Inoperative fuse. 4. Inoperative display board. 5.
  • Page 12: Standby Condition

    Troubleshooting Standby Condition Open oven door. ITEM POWER Inoperative interlock switch assembly (primary). Inoperative H.V. board. Broken or improper wire connections. COOK PREHEAT READY STANDBY LEVEL Inoperative light bulb. Inoperative light socket. Oven light is on? Inoperative auto-transformer. Inoperative H.V. board. Broken or improper wire connections.
  • Page 13: Cook Condition

    Troubleshooting Cook Condition Place cup of water in oven and close oven door. Beep not programmed into oven. Flashing Pad not programmed. Display indicates 00:00 and beeps rapidly. ITEM POWER Inoperative touch panel. Inoperative H.V. board. COOK Broken or improper wire connections. PREHEAT READY STANDBY...
  • Page 14: Component Testing Procedures

    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 power. Refer to Technical Sheets for specific model information. Illustration Component Test Results Thermal cutout Disconnect all wires from TCO.
  • Page 15 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 power. Refer to Technical Sheets for specific model information. Illustration Component Test Results Transformer Discharge Capacitor Remove all wires from terminals.
  • Page 16 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 power. Refer to Technical Sheets for specific model information. Illustration Component Test Results Continuity is indicated as 100 Ω and Side touch panel Trace Measurement...
  • Page 17 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 power. Refer to Technical Sheets for specific model information. H.V. board Pin 1 Pin 1 Pin 28 Pin 1 Pin 50...
  • Page 18 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 power. Refer to Technical Sheets for specific model information. NOTE: For the following test, place oven in Service Test Mode. Relay Function Test Set-Up...
  • Page 19 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 power. Three Magnetron Models H.V. System # 1 H.V. System # 2 H.V. System # 3 Top Rear Magnetron Top Front Magnetron Bottom Magnetron...
  • Page 20 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 power. Two Magnetron Models H.V. System # 1 H.V. System # 3 Top Rear Magnetron Bottom Magnetron Left Transformer Right Transformer...
  • Page 21: Power Testing Procedure

    To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor before servicing, unless testing requires power. 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 22: Display Diagnostics

    Display Diagnostics WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor before servicing, unless testing requires power. CAUTION All repairs as described in this troubleshooting section are to be performed only after the caution procedures one through eight listed below have been followed.
  • Page 23: Service Test

    Service Test NOTE: Unit must be in OFF condition INITIAL power up mode. To Enter Service Test Mode, oven door must be closed. NOTE: Pads will not beep when accessing Service Test Mode. To EXIT Service Test Mode press STOP/RESET pad. MC units REG MENU MISC...
  • Page 24: Service Test

    Service Test Press Display Component Evaluation S T G Q T Y I T E M P O W E R This mode is NOT active with these models. NOT ACTIVE L M T If no fan operation, check: S T G Q T Y I T E M P O W E R...
  • Page 25: Service Information

    Service Information W ARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. Proper Handling of Magnetron Tubes 2. Open Heater (Filament) - Can be determined by a ohmmeter when transformer leads are disconnected.
  • Page 26: Operating Instructions For The Holaday Hi1501, Hi1510, Hi1710, And Hi1801

    Service Information W ARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires it. Hold probe perpendicular to cabinet door. Place cone Operating Instructions for the Holaday of probe on the door and/or cabinet door seam and HI1501, HI1510, HI1710, and HI1801 move along the seam.
  • Page 27: Microwave Leakage Test

    Microwave Leakage Testing W ARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. Measurement with the Outer Panel WARNING Removed Check for radiation leakage after servicing. Should the leakage be more than 4 mW/cm inform WARNING...
  • Page 28: Disassembly

    Disassembly WARNING To avoid the risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitors before following any disassembly procedure. Door Handle Inner Door Ring Assembly Remove door handle by removing plactic plugs to gain 1.
  • Page 29: Outer Case

    Disassembly WARNING To avoid the risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitors before following any disassembly procedure. Outer Case Top Touch Panel Assembly 1. Remove screws securing outer case to chassis, see 1.
  • Page 30: Interlock Switch Module

    Disassembly WARNING To avoid the risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitors before following any disassembly procedure. Top Rear Magnetron Interlock Switch Module 1. See “Component Location” Figure 2, for location. 1. See “Component Location” Figure 1, for location. 2.
  • Page 31: Magnetron Cutout (Tco)

    Disassembly WARNING To avoid the risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitors before following any disassembly procedure. Microwave Blower Wheel and Motor Magnetron Cutout (TCO) 1. Remove outer case and back panel. 1.
  • Page 32: Top Antennas

    6. Apply a generous bead of RTV sealent around perimeter of tray. 7. Apply a light water spray to the fresh RTV sealant. 8. Using RTV scrapper, Amana part # R0000039, remove excess RTV. NOTE: Allow RTV to set for 1 hour before using.
  • Page 33: Fuse

    Disassembly WARNING To avoid the risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitors before following any disassembly procedure. Fuse Replacing Oven Light Bulb 1. See “Component Location” Figure 3, for location. 2. Remove outer case. WARNING 3.
  • Page 34: Component Location

    Disassembly WARNING To avoid the risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitors before following any disassembly procedure. Component Location Display Module Touch Panel (Top) Antennas Top front antenna on 3 tube ovens are blue tipped. All other antennas are plain tipped.
  • Page 35 Disassembly WARNING To avoid the risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitors before following any disassembly procedure. Splatter Shield Oven Tray Magnetron TCO's Magnetrons Filter Rear Flow Divider Exhaust Duct Flow Divider Bottom Exhaust Duct Bottom...
  • Page 36 Disassembly WARNING To avoid the risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitors before following any disassembly procedure. Fan Blade Oven Light Socket Fan Motor Auto Transformer Relay High Voltage Board Triac Terminal Block Fuse Block and Fuse...

Table of Contents