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DM2652, DM2662, DM2663, DM2672, DM2682, DM2683, DM2852, DM2862,
DM2872, DM2882, DMR702 (first gen), DMR702-C, DMR702-D, DMR702-E, RM1350,
RM2351, RM2354, RM2451, RM2454, RM2551, RM2554, RM3762, RM3962
Americana and New Generation
EN
Refrigerators
Service Manual . . . . . . . . . . . . . . . . . . . . . . . .2
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
REFRIGERATION
REFRIGERATORS
WARNING: If the information in this manual is not followed
exactly, a fire or explosion may result, causing property
damage, personal injury, or death.
– Do not store or use gasoline or other flammable vapors
and liquids in the vicinity of this or any other appliance.
– WHAT TO DO IF YOU SMELL GAS
• Do not try to light any appliance.
• Do not touch any electrical switch.
• Do not use any phone in your recreational vehicle.
• Clear the recreational vehicle of all occupants.
• Turn off the gas supply tank valve(s) or main gas supply.
• Immediately call your gas supplier for instructions.
If you cannot reach your gas supplier, call the fire
department.
– Have the gas system checked and leakage source
corrected by a qualified installer, service agency,
manufacturer or dealer, or the gas supplier.
Form No. 3317426.000 01/21 | ©2021 Dometic Corporation
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Table of Contents
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Summarization of Contents
Explanation of Symbols and Safety Instructions
Recognize Safety Information
Defines the safety alert symbol and its purpose in hazard communication.
Understand Signal Words
Explains signal words (DANGER, WARNING) used to indicate hazard severity.
Supplemental Directives
Provides essential directives for safe service and maintenance practices.
General Safety Messages
Lists critical safety warnings for carbon monoxide, electrical hazards, and appliance use.
General Information
Tools and Materials
Lists recommended tools and materials for servicing refrigerators.
Model Identification
Explains how to identify refrigerator models using data plates and number breakdowns.
Component Locations
Provides diagrams and lists of component locations for different refrigerator models.
Terminology
Defines key terms and components used throughout the service manual.
Diagnostic Procedures
Error-Based Diagnostics
Guides on diagnosing operational errors using indicator lamps and error codes.
Installation Issues
Power Issues
Details checks for DC and AC power supply problems affecting refrigerator operation.
Gas Pressure Issues
Explains how to check and ensure proper gas pressure for refrigerator operation.
Installation Issues
Covers critical installation aspects like clearances, venting, and leveling.
Ambient Temperature Issues
Discusses how ambient temperature affects cooling performance and potential damage.
Humidity Issues
Explains humidity's impact on cooling performance and condensation build-up.
Altitude Issues
Notes limitations on gas system operation at high altitudes.
RF Interference Issues
Provides steps to eliminate interference from RF sources affecting refrigerator operation.
Service Procedures
Removing the Refrigerator from an Enclosure
Step-by-step guide for safely removing the refrigerator from its installation space.
Performing a Gas Leak Test
Outlines the procedure for safely checking the gas system for leaks.
Replacing the Burner Assembly
Instructions for removing and replacing the burner assembly.
Testing the Climate Control Heater for Resistance
Details how to test the climate control heater's resistance.
Testing the Cooling Unit in Bypass Mode
Procedure to test the cooling unit's functionality by bypassing it.
Replacing the Cooling Unit
Step-by-step instructions for replacing the refrigerator's cooling unit.
Testing the Communication Wire Harness for Continuity
Guide for testing the communication wire harness for continuity and shorts.
Replacing the Communication Harness
Instructions for replacing the communication wire harness.
Testing a Lower Control Module Fuse for Continuity
Procedure for testing the fuse on the lower control module for continuity.
Replacing the Lower Control Module
Step-by-step guide for replacing the lower control module.
Replacing the Door
Instructions on how to remove and replace a refrigerator door.
Testing the Door Gasket
Method for testing the door gasket's seal using a paper test.
Repairing the Door Gasket
Guide on how to repair a door gasket using heat and a dowel rod.
Adjusting the Door Flapper (RM1350 Model Only)
Instructions for adjusting the door flapper guides for proper closure.
Replacing the Door Hinge
Steps for removing and replacing a refrigerator door hinge.
Adjusting the Position of the Electrode
Guide for properly positioning the electrode for ignition.
Replacing the Electrode
Instructions for removing and replacing the electrode.
Replacing the Flue Baffle
Procedure for removing and replacing the flue baffle.
Testing the Gas Valve for Resistance
Method for testing the resistance of the gas valve solenoid.
Replacing the Gas Valve
Step-by-step guide for replacing the gas valve.
Testing the Heating Element for Resistance
Procedure for testing the heating element's resistance.
Replacing the Heating Element
Instructions for removing and replacing the heating element.
Bypassing the Ice Maker
Method for bypassing the ice maker to test its functionality.
Replacing the Ice Maker
Step-by-step guide for replacing the ice maker.
Testing the Interior Light Switch for Continuity
Procedure for testing the interior light switch continuity.
Replacing the Interior Light
Instructions for replacing the interior light assembly.
Replacing the Orifice
Steps for removing and replacing the gas orifice.
Replacing the Re-igniter
Instructions for removing and replacing the re-igniter.
Testing the Relay for Continuity (RM1350 Model Only)
Procedure for testing the relay for continuity and shorts.
Replacing the Relay (RM1350 Model Only)
Step-by-step guide for replacing the relay.
Testing the Thermal Fuse for Continuity
Procedure for testing the thermal fuse for continuity.
Replacing the Thermal Fuse
Instructions for removing and replacing the thermal fuse.
Testing the Thermistor for Resistance
Method for testing the thermistor's resistance at different temperatures.
Testing the Thermistor for Continuity
Procedure for testing the thermistor for continuity to ground.
Replacing the Thermistor
Step-by-step guide for replacing the thermistor.
Replacing the Thermocouple
Instructions for removing and replacing the thermocouple.
Testing the Thermo Fuse for Continuity (Americana Models Only)
Procedure for testing the thermo fuse continuity and resetting it.
Replacing the Thermo Fuse (Americana Models Only)
Instructions for removing and replacing the thermo fuse.
Testing the Thermofuse for Continuity (New Generation Models Only)
Procedure for testing the thermofuse continuity and resetting it.
Replacing the Thermofuse (New Generation Models Only)
Instructions for removing and replacing the thermofuse.
Replacing the Upper Control Module
Step-by-step guide for replacing the upper control module.
Replacing the Ventilator Fan
Instructions for removing and replacing the ventilator fan.
Replacing the Ventilator Fan Switch
Procedure for removing and replacing the ventilator fan switch.
Testing the Water Valve for Resistance
Method for testing the water valve solenoid resistance.
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