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Amana MC22MP - User Manual

Amana MC22MP
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Service Manual for
Amana
®
Models and manufacturing
numbers in this manual
This manual replaces RS2220001 Rev. 2.
DQ22HS P1198607M
DQ22HS P1107908M
DQ22HS P1198617M
KFC1 P1198622M
MC22MP P1198701M
MC22MP P1107904M
MC22MP P1198703M
MC22MP P1198706M
MC22MPT P1198702M
MC22MPT P1198704M
MC22MPT P1198707M
MC22MPT2 P1198705M
MC22MPT2 P1198708M
RC16MP P1191101M
RC17 P1191104M
RC17 P1198601M
RC17 P1198612M
RC17SD P1198623M
RC20A P1198603M
RC20A P1191103M
RC22 P1107909M
RC22 P1198604M
RC22 P1198614M
RC22LW P1198610M
RC22LW P1198611M
RC22MP P1107902M
RC22MPS P1107906M
RC22S P1198605M
RC27 P1198608M
RC27 P1198618M
WDYRC P1198621M
RS2220001
Revision 3
November 2000
This manual is to be used by qualified appliance
technicians only. Amana does not assume any
responsibility for property damage or personal
injury for improper service procedures done by an
unqualified person.
Commercial
Microwave Oven
Service

Table of Contents

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Amana MC22MP Specifications

General IconGeneral
BrandAmana
ModelMC22MP
CategoryMicrowave Oven
LanguageEnglish

Summary

Important Product Information

Servicing Precautions

Precautions to avoid exposure to microwave energy and electrical shock during servicing.

Grounding Instructions

Instructions to follow for safe grounding of appliances to prevent electrical shock.

Servicing Grounded Products

Guidelines for technicians on handling grounding wires and ensuring proper connections.

Wiring Practices

Guidelines for routing wiring to avoid damage from sharp edges and abrasions.

Important Information

Notices for Consumers and Servicers

Critical safety notices for consumers and service technicians regarding repairs.

Safety Symbols and Labels

Explanation of safety symbols, words, and labels used in the manual.

Important Safety Information

Microwave Radiation Safety

Information to avoid exposure to microwave radiation during operation and servicing.

General Safety Precautions

Essential safety measures for operating and servicing microwave ovens.

Microwave Leakage Testing

Leakage Testing Warning

Warning regarding radiation leakage checks after servicing and record keeping.

Leakage Testing Equipment

List of equipment required for measuring microwave radiation leakage.

Radiation Leakage Measurement Procedure

Step-by-step guide for measuring microwave radiation leakage.

Measurement with Outer Panel Removed

Procedure for measuring leakage with the outer panel removed.

Measurement with Fully Assembled Oven

Procedure for measuring leakage on a fully assembled oven.

Record Keeping for Leakage Tests

Instructions for recording leakage test results and notification.

Appliance Specifications

Installation Procedures

Oven Unpacking

Instructions for inspecting the oven for damage upon unpacking.

Oven Placement Guidelines

Recommendations for proper oven placement to ensure optimal performance and longevity.

Care and Cleaning

Instructions for cleaning the interior, exterior, and door of the oven.

Cleaning Discharge Air Vents

Procedure for cleaning the air discharge vents.

Air Filter Maintenance

Instructions for removing, washing, and replacing the air filter.

Splatter Shield Maintenance

Instructions for removing, cleaning, and replacing the splatter shield.

Replacing the Oven Light Bulb

Step-by-step guide with safety warnings for replacing the oven light bulb.

Product Component Information

Antenna, Motor, and Fan Components

Description of antenna system, motors, and fan assembly.

Power and Control Components

Information on power relay, transformers, capacitor, diode, triac, and thermal protectors.

Door Safety and Grease Shield

Details on door interlock switches and grease shield.

Magnetron and Keypad Information

Information on magnetron operation and keypad functions.

Operating Instructions

Control Panel Overview

Description of the control panel layout for various Amana oven models.

Control Panel Button Functions

Explanation of the functions of each button on the control panel.

Readout Display Indicators

Explanation of the indicators and messages shown on the oven display.

RC and KFC1 Operating Instructions

Using Preprogrammed Pads (RC;KFC1)

Instructions for using preset cooking programs on RC and KFC1 models.

Operating Preprogrammed Pads

Step-by-step guide to operating preprogrammed cooking pads.

Variable Time Entry

Instructions for entering custom cooking times and power levels.

Programming Multiple Stages

Summary of how to program cooking sequences with multiple stages.

Operating Notes and Tips

Important notes on oven operation, interruptions, and pauses.

DQ & MC Operating Instructions

Programming Menu Items (DQ;MC)

Instructions for programming custom menu items and cooking stages.

Operating Preprogrammed Menu Items

Guide to selecting and cooking with programmed menu items.

Variable Time Entry (DQ;MC)

Instructions for entering custom cooking times and power levels.

Operating Notes (DQ;MC)

Important notes on oven operation, interruptions, and power loss.

DQ & MC Programming Instructions

Programming Custom Menu Items

Detailed steps for programming new menu items and cooking stages.

Programming Multiple Cooking Stages

Instructions for setting up cooking sequences with multiple time and power levels.

Specialized Programming Features

Quantity Programming ([QTY])

How to program quantity settings for specific models.

Time Limit Programming ([LMT])

How to set the maximum time limit for programming pads.

Using the PAUS (Pause) Function

Instructions for pausing cooking and manipulating food.

Programming the PAUS Function

Steps to program the pause function into cooking cycles.

Option Programs (Except WDYRC)

Customizable Oven Options

Description and codes for various programmable oven options like tones and reset behavior.

WDYRC Operating Instructions

WDYRC Display Indicators

Explanation of the display elements on the WDYRC model.

WDYRC Control Pads

Description of the function of each pad on the WDYRC model.

Connecting Power (WDYRC)

Information on initial power connection for the WDYRC model.

Interrupting Operation (WDYRC)

How to interrupt and resume operation on the WDYRC model.

Canceling Mistakes (WDYRC)

Procedure for canceling mistakes and restarting cooking.

Heating with Preprogrammed Pads (WDYRC)

Instructions for using preprogrammed pads on the WDYRC model.

Component Testing Procedures

Testing Thermal Cutouts and Diodes

Procedures for testing thermal cutouts and diodes.

Testing Triac and Capacitors

Procedures for testing the triac and capacitors.

Testing Snubber Assembly and Magnetron

Procedures for testing the snubber assembly and magnetron.

Testing Motors and Lamp

Procedures for testing antenna motor, blower motor, and lamp.

Component Testing Procedures (Cont.)

Testing Transformers

Procedures for testing main and auto transformers.

Testing Interlock Switches

Procedures for testing different types of interlock switches.

Component Testing Procedures (Cont.)

Testing Relay and High Voltage Board

Procedures for testing the relay and high voltage board connections.

Testing Low Voltage and Memory Boards

Procedures for testing low voltage and extended memory boards.

Wire Harness Continuity Test

Procedure for testing wire harness continuity.

Component Testing Procedures (Cont.)

Keypad Testing Procedures

Procedures for testing top and side keypads for proper operation.

Display Diagnostics

Diagnostic Procedures Caution

Cautionary notes before performing display diagnostic procedures.

Service Codes and Explanations

List of service codes displayed and their meanings.

Display Diagnostics (Cont.)

S1 Watchdog Error

Troubleshooting for S1 error code related to the touch panel.

HOT Error: Magnetron Overheating

Troubleshooting for HOT error code indicating magnetron overheating.

CS Error: Current Sense

Troubleshooting for CS error code indicating low current draw.

Display Diagnostics (Cont.)

PCE1 Error: Checksum

Troubleshooting for PCE1 error code indicating permanent memory checksum.

PCE5 Error: Communication Failure

Troubleshooting for PCE5 error code indicating communication failure.

PCE6 Error: Communication Failure

Troubleshooting for PCE6 error code indicating communication failure.

HI Error: High Line Voltage

Troubleshooting for HI error code indicating high line voltage.

LO Error: Low Line Voltage

Troubleshooting for LO error code indicating low line voltage.

Service Test (Except WDYRC)

H.V. System Test Procedure

Steps to perform the high voltage system test.

Diagnosing H.V. System Components

How to diagnose H.V. system components based on test results.

Service Test (Cont.)

Multiple H.V. System Testing

Procedures for testing multiple H.V. systems simultaneously.

Reading Door Cycles and Magnetron Hours

How to access and interpret door cycle and magnetron hour counters.

Power Test Procedure

Power Test Temperature Chart

Reference chart for calculating oven power based on temperature rise.

Troubleshooting Guide

Initial Power Up Troubleshooting

Steps to troubleshoot issues during initial power up.

Troubleshooting Guide (Cont.)

Stand By Condition Troubleshooting

Steps to troubleshoot issues when the oven is in standby mode.

Troubleshooting Guide (Cont.)

Cook Condition Troubleshooting

Steps to troubleshoot issues during the cook cycle.

Disassembly Procedures

Latch Handle Removal

Instructions for removing the oven latch handle.

Inner Door Ring Assembly Removal

Instructions for removing the inner door ring assembly.

Door Assembly Removal

Instructions for removing the oven door assembly.

Hinge Removal and Adjustment

Instructions for removing and adjusting the oven hinges.

Outer Door Assembly Removal

Instructions for removing the outer door assembly.

Disassembly Procedures (Cont.)

Bottom Shelf Removal

Instructions for removing the bottom shelf, including sealant precautions.

Grease Shield Removal

Instructions for removing the grease shield.

Top Keypad Assembly Removal

Instructions for removing the top keypad assembly.

Outer Case Removal

Instructions for removing the outer case of the oven.

Side Keypad Removal

Instructions for removing the side keypad.

Low Voltage Circuit Board Removal

Instructions for removing the low voltage circuit board.

Disassembly Procedures (Cont.)

Top Antennas Removal

Instructions for removing the top antennas and related parts.

Antenna Matching Explanation

Explanation of antenna matching for early and later production models.

Top Antenna Motor Removal

Instructions for removing the top antenna motor assembly.

Disassembly Procedures (Cont.)

Interlock Switch Assembly Removal

Instructions for removing and adjusting the interlock switch assembly.

Top Rear Magnetron Removal

Instructions for removing the top rear magnetron.

Top Front Magnetron Removal

Instructions for removing the top front magnetron.

Disassembly Procedures (Cont.)

Bottom Magnetron Removal

Instructions for removing the bottom magnetron.

Magnetron Installation

Steps for installing a magnetron, including tightening nuts and wiring.

Magnetron and Control TCO Removal

Instructions for removing magnetron and control thermal protectors.

Bottom Access Panel Removal

Instructions for removing the bottom access panel.

Bottom Stirrer Motor Removal

Instructions for removing the bottom stirrer motor.

Disassembly Procedures (Cont.)

Bottom Antenna Removal

Instructions for removing the bottom antenna.

Back Panel Removal

Instructions for removing the back panel.

Components Accessible via Back Panel

List of components accessible after removing the back panel.

Blower Wheel and Motor Removal

Instructions for removing the blower wheel and motor assembly.

Disassembly Procedures (Cont.)

Fan Blade Removal and Installation

Instructions for removing and installing the fan blade.

H.V. Board Removal

Instructions for removing the High Voltage board.

Power Cord Removal

Instructions for removing the power cord.

Component Location Diagrams

Diagrams showing the location of key components in the oven.

Cavity Thermal Protector (TCO) Removal

Instructions for removing the cavity thermal protector.

Disassembly Procedures (Cont.)

Three Magnetron Model Side View

Diagram showing component layout for three magnetron models (side view).

Three Magnetron Models Rear View

Diagram showing component layout for three magnetron models (rear view).

Two Magnetron Model Side View

Diagram showing component layout for two magnetron models (side view).

Disassembly Procedures (Cont.)

Bottom View Component Diagram

Diagram illustrating component locations on the bottom view of the oven.

Alternate Diode Location Diagram

Diagram showing an alternate location for the diode.

Wiring Diagrams and Schematics

Main Wiring Diagram Overview

Main wiring schematic for the microwave oven.

Detailed Wiring Diagrams

Comprehensive wiring diagram illustrating all connections and components.

Model-Specific Wiring Diagrams

Example wiring diagrams for specific model variations.

Troubleshooting Guide

Initial Power Up Troubleshooting

Steps to troubleshoot issues during initial power up.

Troubleshooting Guide (Cont.)

Stand By Condition Troubleshooting

Steps to troubleshoot issues when the oven is in standby mode.

Troubleshooting Guide (Cont.)

Cook Condition Troubleshooting

Steps to troubleshoot issues during the cook cycle.

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