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Dometic DM2672 - Service Manual

Dometic DM2672
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REFRIGERATION
REFRIGERATORS
Form No. 3317426.000 01/21 | ©2021 Dometic Corporation
WARNING
Cancer and Reproductive Harm
www.P65Warnings.ca.gov
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
EN
Americana and New Generation
Refrigerators
Service Manual ........................2
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.

Table of Contents

Other manuals for Dometic DM2672

Questions and Answers

  • K
    Katelyn ChaseSep 9, 2025
    What to do if Dometic DM2672 Refrigerator ice maker is overfilling?
    • B
      Brittney AliSep 9, 2025
      If the Dometic ice maker is over-filling or under-filling during operation, the ice maker water supply likely needs adjustment.
  • R
    Rachel DeanAug 23, 2025
    Why is my Dometic Refrigerator light on but not cooling?
    • J
      Jasmine OlsonAug 23, 2025
      If your Dometic Refrigerator isn't operating but the interior light is on, the issue might stem from a few potential causes. Check if the mode or a switch is set incorrectly. It's also possible that the DC voltage is too low or absent. The thermistor might not be operating within the proper temperature range. Another potential cause is that the communication wire harness has lost continuity or is shorted to ground. Lastly, there might be a short or a failed circuit in the lower control module.
  • R
    Richard MccartyAug 25, 2025
    Why Dometic Refrigerator works on electric but not gas?
    • M
      Megan BradfordAug 25, 2025
      If your Dometic Refrigerator operates in electric mode but not in gas mode, several issues could be the cause. First, check if the mode or a switch is set incorrectly. The gas pressure might be too low or absent. Ensure the knob on the gas valve hasn't been turned to the off or closed position. Altitude might be affecting the refrigerator's operation in gas mode. The re-igniter might not be creating a spark, or the resistance on the gas valve solenoid might be out of specification. The orifice could be blocked or incorrectly sized. For older Americana models, the thermocouple might be defective. The burner could be blocked, the wiring might be faulty, shorted, or miswired, or there could be a short or a failed circuit in the lower control module.
  • W
    wsandovalAug 26, 2025
    Why is my Dometic Refrigerator freezing food?
    • K
      Krystal ContrerasAug 27, 2025
      If the fresh food compartment in your Dometic Refrigerator is freezing, it could be because the thermistor is not operating within the proper temperature range, or there is a short or a failed circuit in the lower control module.
  • M
    Michelle LambAug 27, 2025
    Why is my Dometic Refrigerator not cooling well on gas?
    • J
      jliAug 27, 2025
      If your Dometic Refrigerator operates in gas mode but does not cool properly, the flue baffle is likely out of place or damaged.
  • D
    Donna FordAug 29, 2025
    Why is my Dometic Refrigerator not cold enough?
    • C
      Corey BeltranAug 29, 2025
      If your Dometic Refrigerator or freezer isn't getting cold enough, several factors could be at play. Improper installation might have caused an imbalance in the airflow around the refrigerator. The fan switch could be defective. Ensure the refrigerator level is within tolerance. A warped door could also be the cause. For RM1350 models, the relay might be defective, or the flapper guide might need adjustment. Additionally, the thermistor might not be operating within the proper temperature range, or there could be a short or failed circuit in the lower control module.
  • J
    Justin WhiteSep 17, 2025
    Why does my Dometic DM2672 smell like ammonia?
    • I
      Isaac FosterSep 18, 2025
      If there is a strong smell of ammonia coming from your Dometic Refrigerator, the cooling unit is likely defective.
  • T
    Troy LeeSep 18, 2025
    Why is my Dometic Refrigerator making a gurgling noise?
    • A
      Adam CrawfordSep 19, 2025
      If you hear a loud gurgling noise coming from the cooling unit of your Dometic Refrigerator, the cooling unit is likely defective.
  • A
    Angela HillSep 7, 2025
    Why are the lights off on my Dometic DM2672 Refrigerator panel?
    • J
      Jessica LittleSep 7, 2025
      If the panel lights on your Dometic Refrigerator do not turn on, the DC voltage might be too low or absent. The upper control module could be defective, or the communication wire harness might have lost continuity or is shorted to ground.
  • L
    lanebrittanySep 4, 2025
    Why is my Dometic Refrigerator ice maker not working?
    • B
      brandonhawkinsSep 4, 2025
      If your Dometic ice maker isn't producing ice, it could be due to several reasons. The freezer might not be at the required temperature. The AC voltage might be too low or absent. For RM1350 models, the relay could be defective. Also, the water valve might be defective.

Summary

Explanation of Symbols and Safety Instructions

Recognize Safety Information

Identifies safety alert symbol for potential injury hazards and advises obeying messages.

Understand Signal Words

Explains signal words (DANGER, WARNING) indicating hazard degree and potential outcomes.

Supplemental Directives

Lists directives for reducing accidents and injuries during service and maintenance.

General Safety Messages

Provides critical safety warnings for carbon monoxide, electrical hazards, and flammable liquids.

Intended Use

Troubleshooting

General Information

Tools and Materials

Lists recommended tools and materials for servicing Dometic refrigerators.

Model Identification

Explains how to identify refrigerator models using data plates and number breakdowns.

Component Locations

Provides diagrams showing general component locations for different refrigerator models.

Terminology

Defines key terms and components related to refrigerator operation and service.

Wiring Diagrams

Diagnostic Procedures

Error-Based Diagnostics

Details fault descriptions, possible causes, and recommended actions for system errors.

Installation Issues

Power Issues

Outlines checks for DC and AC power supply to the refrigerator, including ripple voltage.

Gas Pressure Issues

Describes how to check gas pressure and factors affecting it, like altitude and tank temperature.

Installation Requirements

Covers necessary clearances, proper leveling, and ventilation for refrigerator installation.

Ambient Temperature Issues

Explains how ambient temperature impacts cooling performance and potential damage below freezing.

Humidity Issues

Discusses how high humidity affects cooling performance and causes condensation/frost.

Altitude Issues

Explains that refrigerators are not designed for extremely high altitudes, affecting gas operation.

RF Interference Issues

Advises on troubleshooting RF interference by isolating the DC power source.

Service Procedures

Removing the Refrigerator from an Enclosure

Step-by-step guide for safely removing the refrigerator from its installed location.

Performing a Gas Leak Test

Details the procedure for safely checking for gas leaks using leak detection fluid.

Testing the Cooling Unit in Bypass Mode

Describes how to test the cooling unit's performance by bypassing it.

Replacing the Lower Control Module

Provides instructions for safely removing and replacing the lower control module.

Testing the Door Gasket

Explains how to test the refrigerator door gasket's seal integrity using a piece of paper.

Replacing the Electrode

Step-by-step guide for removing and replacing the electrode component of the burner assembly.

Testing the Heating Element for Resistance

Details how to test the heating element's resistance to identify faults.

Testing the Thermistor for Resistance

Explains how to test the thermistor's resistance under specific temperature conditions.

Replacing the Water Valve

Step-by-step instructions for safely removing and replacing the refrigerator's water valve.

Disposal

Replacement Parts

Dometic DM2672 Specifications

General IconGeneral
Model NumberDM2672
RefrigerantAmmonia
Interior LightYes
Reversible DoorNo
Total Capacity6 cu. ft.
Power SourceLP Gas
Fuel TypePropane
Type2-Way RV Refrigerator
Door TypeDouble Door

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