Dometic DM2662 Service Manual

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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 DM2662

Installation Manual44 pages

Installation & Operating Instructions40 pages

Operating Instructions28 pages

Installation Instructions54 pages

User Manual16 pages

Questions and Answers:

T
teresa37Aug 22, 2025
Why is my Dometic DM2662 Refrigerator not working and the interior light is off?
- C
  Cindy LewisAug 22, 2025
  Your Dometic Refrigerator might not be working, and the interior light might be off due to several reasons. It could be that the mode or a switch is set incorrectly. Also, the DC voltage might be too low or absent. Another potential cause is a blown thermal fuse or thermo fuse. Faulty, shorted, or miswired wiring can also be the reason. Finally, the upper control module might be defective, or there could be a short or failed circuit in the lower control module.
J
Jason WatersAug 25, 2025
Why is my Dometic DM2662 Refrigerator light on but not cooling?
- T
  Tyler PenaAug 25, 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.
P
Patrick OrtegaAug 25, 2025
Why Dometic DM2662 works on electric but not gas?
- A
  Andrew BarajasAug 26, 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.
G
garcialisaAug 27, 2025
Why is my Dometic DM2662 freezing food?
- N
  Nicole NguyenAug 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.
E
Elizabeth SimsAug 27, 2025
Why is my Dometic Refrigerator not cooling well on gas?
- R
  Rose MeyersAug 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.
R
Roger HenryAug 28, 2025
What to do if my Dometic DM2662 Refrigerator does not work on gas?
- S
  Sarah PhillipsAug 28, 2025
  If your Dometic Refrigerator isn't working on gas, the gas bottle might be empty, so you should change it. Alternatively, there might be air in the gas pipe. To remove the air, try switching the refrigerator on and off 3-4 times.
J
jackallenAug 31, 2025
Why my Dometic Refrigerator does not work in gas operation mode?
- J
  James SmithAug 31, 2025
  If your Dometic refrigerator isn't working in gas operation mode, check if the gas bottle is empty and replace it if needed. Also, there might be air in the gas pipe; try removing it by switching the refrigerator on and off 3-4 times.
A
angelahoffmanSep 1, 2025
Why is my Dometic DM2662 not cold enough?
- C
  Chelsea PhillipsSep 1, 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.
A
Andrew MccormickSep 2, 2025
What does the check light mean on a Dometic Americana Refrigerator?
- D
  Dustin JimenezSep 3, 2025
  If the check indicator lamp is on in your Americana Dometic Refrigerator, the DC voltage is too low, or there is a loose or weak ground.
K
Kirk ThompsonSep 4, 2025
Why does my Dometic Refrigerator build up frost so fast?
- S
  Sara StrongSep 4, 2025
  If your Dometic Refrigerator rapidly builds up frost, the door has likely been open too often or for too long.

Dometic DM2662 Specifications

General

Model	DM2662
Type	Absorption Refrigerator
Capacity	6 cu. ft.
Weight	123 lbs
Total Capacity	6 cu. ft.
Power Source	LP Gas
Color	Black
Energy Source	LP Gas

Summary

Safety and General Information

Safety Instructions and Warnings

Covers safety symbols, signal words, directives, and general safety messages.

General Information Topics

Includes tools, model identification, component locations, and terminology.

Troubleshooting and Diagnostics

Troubleshooting Guide

Provides tables of operational issues, potential causes, and diagnostic steps.

Diagnostic Procedures

Guides for identifying operational issues by diagnosing individual components.

Error-Based Diagnostics

Diagnosing system errors for Americana and New Generation models based on fault descriptions.

Installation and Service Procedures

Installation Issues

Addresses common refrigerator problems caused by external factors or improper installation.

Key Service Procedures

Covers essential tasks like removing the unit, performing leak tests, and component replacements.

Disposal and Parts Information

Product Disposal Guidelines

Instructions for recycling packaging and disposing of the product responsibly.

Replacement Parts Information

Information on obtaining the most current parts for the refrigerator.

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