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Amana RC22S User Manual

Amana RC22S
60 pages
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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 RC22S Specifications

General IconGeneral
BrandAmana
ModelRC22S
CategoryMicrowave Oven
LanguageEnglish

Summary

Important Product Information

Grounding Instructions

Safety guidelines for connecting the microwave oven to a grounded electrical outlet.

WIRING

Best practices for routing internal wiring to prevent damage or shorts.

Important Information

Important Notices for Consumers and Servicers

Critical warnings and advice for safe operation and service of the microwave.

Recognize Safety Symbols, Words, and Labels

Explanation of safety symbols (DANGER, WARNING, CAUTION) used in the manual.

Important Safety Information

Microwave Leakage Testing

Measurement With the Outer Panel Removed

Procedure to test for microwave leakage with the oven's outer panel off.

Measurement With a Fully Assembled Oven

Procedure to test microwave leakage on a complete, assembled oven.

Record Keeping and Notification After Measurement

Guidelines for documenting and reporting microwave leakage test results.

Specifications

Installation

Unpacking Oven

Instructions for inspecting the microwave oven for damage upon arrival.

Oven Placement

Guidelines for selecting a safe and appropriate location for the microwave.

Care and Cleaning

Procedures for maintaining the interior, exterior, and door of the microwave.

Replacing Oven Light Bulb

Step-by-step guide for safely replacing the internal oven light bulb.

Product Information

Door Interlock and Monitoring Switch

Details on the safety system ensuring proper door interlock operation.

High Voltage Components

Overview of key high-voltage parts like capacitors, diodes, transformers, and magnetrons.

Operating Instructions

Control Panel

Overview of the microwave's control panel layout for different models.

Readout Display

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

"RC" and KFC1 Operating Instructions

Operating Preprogrammed Pads

Steps for using preset cooking programs with the RC and KFC1 models.

Variable Time Entry

Instructions for manually entering cooking time and power level.

"DQ & MC" Operating Instructions

Operating Preprogrammed Menu Items

Steps for selecting and using programmed menu items.

Variable Time Entry

Instructions for manually setting cooking time and power level.

"DQ & MC" Programming Instructions

Programming Menu Items

Step-by-step guide to program custom menu items and stages.

Programming Multiple Stages

Instructions for setting up multi-stage cooking programs for menu items.

Specialized Programming

PAUS (Pause) Function

Explanation and usage of the pause function for food manipulation during cooking.

WDYRC Operating Instructions

Display and Pads

Overview of the WDYRC model's display indicators and operational pads.

Heating Operations

Instructions for interrupting, canceling, and heating with preprogrammed pads.

Component Testing Procedures

Thermal Cutout and Diode Testing

Methods for testing thermal cutouts and diodes using an ohmmeter.

Triac and Capacitor Testing

Procedures for testing the triac and high-voltage capacitors.

Magnetron and Snubber Testing

Steps for testing the magnetron and snubber assembly.

Motor and Lamp Testing

Procedures for testing antenna motors, blower motors, and the oven lamp.

Component Testing Procedures

Transformer and Auto Transformer Testing

Testing procedures for the main transformer and auto transformer.

Interlock Switch Testing

Detailed testing steps for different types of interlock switches.

Component Testing Procedures

Relay and High Voltage Board Testing

Testing methods for the power relay and high voltage circuit board.

Low Voltage and Memory Board Testing

Procedures for testing the low voltage circuit board and extended memory board.

Wire Harness Continuity

Method for checking continuity of wires within the oven's harness.

Component Testing Procedures

Keypad Testing

Instructions for testing the functionality of the top and side keypads.

Display Diagnostics

Service Codes

List and explanation of error codes displayed by the oven.

Display Diagnostics

S1 Watchdog - Membrane Touch Panel

Troubleshooting for the watchdog circuit verifying touch panel input.

HOT Magnetron Overheating

Diagnosing causes for the magnetron overheating error code.

CS Current Sense

Interpreting and troubleshooting low current (amp) draw indications.

Display Diagnostics

PCE1 Checksum

Error code indicating a potential issue with permanent memory.

PCE5 & PCE6 Communication Failure

Troubleshooting communication errors between circuit boards.

High/Low Line Voltage (HI/LO)

Diagnosing issues related to input voltage being too high or too low.

Service Test – All Models Except WDYRC

H.V. System Test

Procedure to test the high-voltage systems of the oven.

Diagnosing Individual H.V. System Components

Steps to identify faulty components within a non-functional H.V. system.

Service Test

Multiple H.V. System Testing

Testing combinations of multiple high-voltage systems simultaneously.

Door Cycles and Magnetron Hours

How to view door cycle counts and magnetron operating hours.

Power Test (Traditional 1 Liter Test)

Test Procedure

Step-by-step guide for performing the 1-liter water power output test.

Temperature Chart

Reference chart correlating temperature rise to cooking power output.

Troubleshooting

Initial Power Up

Flowchart for diagnosing issues during the oven's first power-on.

Stand By Condition

Flowchart for diagnosing the oven's status when idle.

Cook Condition

Flowchart for diagnosing issues during active cooking cycles.

Disassembly

Latch Handle and Door Removal

Instructions for removing the latch handle, door, and related assemblies.

Keypad and Low Voltage Board Removal

Procedures for removing keypads and the low voltage circuit board.

Magnetron Removal

Procedures for removing the top rear and top front magnetrons.

Blower Wheel and Motor Removal

Procedures for disassembling the blower wheel and motor assembly.

Wiring Diagrams and Schematics

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