Amana MENUMASTER DFS18E Service Manual

1800 w - 2005 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.

1800 W - 2005

International

Countertop

Commercial

Microwave

Ovens

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:

DFS18E

RFS518S

UFS18E

URFS518S

M I C R O W A V E

O V E N

P1330222M

P1330216M

P1330231M

P1330227M

16026086

April 2005

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Summary of Contents for Amana MENUMASTER DFS18E

Page 1 MENUMASTER Service C O M M E R C I A L M I C R O W A V E O V E N 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.
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 Procedures Important Safety Information ........4-8 Disconnecting Wire Terminals ........24 Wiring ................ 8 Outer Case ............... 24 Earthing Instructions ..........8 Door Assembly ............25 Servicing of Earthing Products ........8 Door Disassembly ............ 25 General Information Control Panel ............
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 WARNING 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 Placement of the Oven Radio Interference Do not install microwave next to or above source of Microwave oven operation may cause interference to heat, such as a deep fat fryer. This could cause the radio, television, or similar equipment. Reduce or microwave to operate improperly and could shorten the eliminate interference by doing the following: life of electrical components.
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 Procedures
Troubleshooting Procedures When you get a complaint from customers, evaluate the complaint carefully. If the following symptoms apply, instruct the customer in the proper use of the microwave oven. This can eliminate an unnecessary service call. CAUTION • Verify proper earthing before checking for trouble. •...
Page 12 Troubleshooting Procedures 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.
Page 13 Troubleshooting Procedures (Electronic Models) Trouble 2: Oven does not operate at all, display window does not display any digits, and no input is accepted. Malfunction Replace the fuse, Check continuity Continuity of the Fuse blows. primary, of monitor switch monitor secondary, monitor with door closed.
Page 14 Troubleshooting Procedures (Electronic Models) Trouble 3: Display shows all digits programmed, but does not start cooking when the START pad is pressed. Malfunction Check continuity Time does not Replace the of secondary of secondary Continuity count down secondary switch. switch with door after START switch.
Page 15 Troubleshooting Procedures (Electronic Models) Trouble 4: Oven operates with little or no heat. Output Customer must Lower than Decrease in performance contact local Check the power 90% of rated supply voltage is low. power supply voltage. voltage. under load. company or qualified electrician.
Page 16 Troubleshooting Procedures (Electronic Models) Trouble 5: No microwave oscillation even when oven light and fan motor operate. Disconnect wire Replace Failed No microwave leads from relay controller. Continuity controller. oscillation. RY5. Verify continuity Of the relay. Continuity Check high Abnormal Failed high Replace high voltage...
Page 17: 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 18: Microwave Leakage Testing
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 Maytag WARNING...
Page 19: Troubleshooting
Troubleshooting 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. 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 20: Testing Procedures
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. Illustration Component Testing Results Thermal cutout Disconnect all wires from TCO. Measure resistance across terminals. °...
Page 21 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. Illustration Component Testing Results Interlock switch assembly Disconnect wires to switch. With door open measure resistance from: Monitor - Terminal 3 - 4......
Page 22 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. TAB 1 TAB 2 Function Test Set-Up / Meter Probe Placement Results Condition Setting Control power All Conditions Volts...
Page 23 Power Test 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. Using the test shown below will indicate if the oven performance is satisfactory.
Page 24: Disassembly Procedures
Disassembly Procedures To avoid the risk of electrical shock, personal injury, or death, disconnect power to oven and discharge the capacitors before WARNING following any disassembly procedure. High voltage is present at the high voltage terminal of the Outer Case high voltage transformer during any cooking cycle.
Page 25: Door Assembly
Disassembly Procedures To avoid the risk of electrical shock, personal injury, or death, disconnect power to oven and discharge the capacitors before WARNING following any disassembly procedure. Door Assembly CAUTION CAUTION To avoid property damage, care must be taken when prying choke cover from oven door.
Page 26: Control Panel
Disassembly Procedures To avoid the risk of electrical shock, personal injury, or death, disconnect power to oven and discharge the capacitors before WARNING following any disassembly procedure. Control Panel Interlock Switches 1. Disconnect power to oven and remove outer case, Primary switch is operated by bottom latch arm.
Page 27: High Voltage Capacitor
Disassembly Procedures To avoid the risk of electrical shock, personal injury, or death, disconnect power to oven and discharge the capacitors before WARNING following any disassembly procedure. Adjusting Interlocks Bottom Magnetron High Voltage Capacitor Removal The interlock monitor, primary, and secondary switches 1.
Page 28: Diode/Circuit Protector
Disassembly Procedures To avoid the risk of electrical shock, personal injury, or death, disconnect power to oven and discharge the capacitors before WARNING following any disassembly procedure. 2. Disconnect and label wires. Diode/Circuit Protector 3. Carefully lift tabs to release assembly from plastic 1.
Page 29: Blower Motor
Disassembly Procedures To avoid the risk of electrical shock, personal injury, or death, disconnect power to oven and discharge the capacitors before WARNING following any disassembly procedure. Top Antenna Blower Motor 1. Disconnect power to oven and remove outer case, 1.
Page 30: Magnetron Thermal Cut-Out (Tco)
Disassembly Procedures To avoid the risk of electrical shock, personal injury, or death, disconnect power to oven and discharge the capacitors before WARNING following any disassembly procedure. Magnetron Thermal Cut-Out (TCO) Oven Light Removal 1. Disconnect power to oven and remove outer case, The light bulb for inside of the oven can be changed only (see "Outer Case"...
Page 32 Oven Wall Clearances defined intervals. When the message A—For North American (UL/CSA) models, allow at least displays Amana recommends cleaning 2” (5.1 cm) of clearance around top of oven. For the air filter thoroughly. Cleaning the air International (50 Hz) models, allow at least 12” (30 filter will not shut off the message.
Page 33 Display message for 24 hours every 7 days. OP:02 Display message for 24 hours every 30 days. OP:03 Display message for 24 hours every 90 days. or full product documentation visit: © 2004 Amana Appliances Part No.12804405 Amana, Iowa 52204 ™ www.amanacommercial.com/wavelink Revised 10/04 16026086 A–3...

This manual is also suitable for:

Menumaster rfs518s Menumaster ufs18e Menumaster urfs518s P1330222m P1330216m P1330231m ... Show all

Amana MENUMASTER DFS18E Service Manual

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