Dometic RM 8550 User Manual (English)

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Service Instructions50 pages

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Questions and Answers:

R
Robin GrayAug 17, 2025
Why is my Dometic RM 8550 not cooling sufficiently?
- K
  kmorenoAug 17, 2025
  There are several reasons why your Dometic Refrigerator might not be cooling well enough: * The ventilation to the unit might be inadequate. Ensure that the ventilation grilles are not covered. * The thermostat setting could be too low. Try setting the thermostat to a higher level. * The condenser may be heavily frosted. Check that the refrigerator door closes properly. * Too much warm food might have been stored inside recently. Allow warm food to cool down before storage. * The appliance may not have been running long enough. Check whether the cooling compartment works after approximately 4 - 5 hours. * Ambient temperatures could be too high. Regularly remove ventilation grilles.
J
Jody StewartAug 20, 2025
How to fix Dometic RM 8550 Refrigerator not cooling in gas operation mode?
- A
  Austin AndersonAug 20, 2025
  If your Dometic Refrigerator isn't cooling while in gas operation mode, make sure the gas cylinder isn't empty and replace it if it is. Check that the upstream shut-off device is open. If there's air in the gas pipe, switch off the appliance and start it again; repeat this procedure 3-4 times if necessary.
R
Renee GutierrezAug 23, 2025
How to fix a Dometic Refrigerator that does not cool sufficiently?
- D
  David FarrellAug 23, 2025
  If your Dometic Refrigerator isn't cooling sufficiently, here are a few things to check: * Ensure that the ventilation grilles are not covered. * Try setting the thermostat to a higher level. * Make sure the refrigerator door closes properly. * Allow warm food to cool down before placing it inside. * Check if the cooling compartment starts working after about 4 to 5 hours. * Regularly remove the ventilation grilles.
M
Michael ColeAug 26, 2025
Why is my Dometic RM 8550 Refrigerator not cooling in gas operation mode?
- R
  Rachel MartinAug 26, 2025
  If your Dometic Refrigerator isn't cooling while in gas operation mode, consider these solutions: * Replace the gas cylinder. * Ensure the shut-off device is open. * Try switching the appliance off and on again. Repeat this process 3-4 times if needed.
D
Desiree DavisAug 28, 2025
What to do if Dometic RM 8550 Refrigerator flame not ignited in GAS/Auto mode?
- M
  Michael HowardAug 28, 2025
  If the flame is not igniting in GAS/Auto mode on your Dometic Refrigerator, ensure that the gas supply is turned on and that the igniter is functioning correctly.
A
Adam WilliamsAug 30, 2025
What to do if Dometic RM 8550 does not cool in 12V operation?
- R
  Robert WebbAug 31, 2025
  If your Dometic Refrigerator isn't cooling when running on 12V, consider the following: * The on-board fuse may be defective. Try fitting a new fuse. * The on-board battery might be discharged. Check the battery and charge it if necessary. * The engine may not be running. Start the engine. * The heating element might be defective. Please contact Dometic Customer Services for assistance.
C
Cynthia WilliamsSep 2, 2025
What to do if Dometic RM 8550 Refrigerator does not cool in 230V operation?
- I
  imckaySep 2, 2025
  If your Dometic Refrigerator isn't cooling when running on 230V, consider the following: * The on-board fuse may be defective. Try fitting a new fuse. * The vehicle may not be connected to mains supply voltage. Connect to a mains power supply. * If it is AES, gas operation might be engaged despite connection to the mains supply voltage. In this case (automatically switches back to 230V operation) contact Dometic Customer Services. * The heating element might be defective. In this case contact Dometic Customer Services.
D
Douglas ThomasSep 5, 2025
How to fix a Dometic RM 8550 Refrigerator that does not cool in gas operation mode?
- T
  Timothy McgeeSep 5, 2025
  If your Dometic Refrigerator isn't cooling when in gas operation mode: * The gas cylinder might be empty. Change the gas cylinder. * The upstream shut-off device might not be open. Open the shut-off device. * There might be air in the gas pipe. Switch off the appliance and start again. Repeat this procedure 3 - 4 times, if necessary.
J
Janet HatfieldSep 8, 2025
What to do if my Dometic RM 8550 does not cool in 240V operation?
- E
  edwardallenSep 8, 2025
  If your Dometic Refrigerator isn't cooling when running on 240V, check the on-board fuse and replace it if it's defective. Ensure the vehicle is properly connected to a mains power supply. If you have an AES (Automatic Energy Selector) model, it might switch to gas operation if the mains supply voltage is insufficient; it will automatically switch back to 230V when the voltage is adequate. If these steps don't resolve the issue, please inform the Dometic Customer Service, as the heating element might be defective.

Dometic RM 8550 Specifications

General

Type	Absorption Refrigerator
Input Voltage (AC)	230 V
Energy Source	AC, DC, Gas
Input Voltage (DC)	12 V
Refrigerant	R-600a

Summary

General

Introduction

Overview of the Dometic Absorption Refrigerator and its benefits.

Guide to these operating instructions

Advice on how to read and use the operating instructions for safe operation.

Copyright protection

Information regarding the copyright of the manual's content and usage restrictions.

Explanation of symbols used in this manual

Defines warning symbols (DANGER, WARNING, CAUTION) and their implications.

Warranty

Details on warranty arrangements and coverage according to EC Directive.

Limitation of liability

Explains Dometic's liability concerning product use and manual information.

Customer services

Information on how to find and contact authorized customer service centers.

Spare parts

Guidance on ordering spare parts and providing necessary model information.

Environmental notices

Information on coolant, disposal, and energy-saving tips for the refrigerator.

Declaration of conformity

Official statement confirming the appliance's compliance with relevant EU directives.

Safety Instructions

Application according to regulations

Specifies the intended use of the refrigerator in recreation vehicles and its type approval.

User's responsibility

Outlines the user's duty to understand and follow safety instructions for proper use.

Protection of children when disposing of the equipment

Safety measures to prevent entrapment and suffocation when disposing of the refrigerator.

Working upon and checking the refrigerator

Safety warnings regarding work on gas, exhaust, and electrical systems by authorized personnel.

Information on coolant

Details about the coolant (ammonia) and actions to take if ammonia is smelled.

Appliances with electronics (MES/AES)

Explains the function of MES/AES systems and their interaction with vehicle power.

Operating the refrigerator with gas

Critical safety rules for gas operation, including prohibited locations and warnings.

Safety instructions when storing foodstuffs

Guidelines for storing food safely, considering vehicle conditions and temperature fluctuations.

Description of Model

Model identification

Explains how to interpret the model number and its various components.

Refrigerator rating plate

Locates and describes the information found on the refrigerator's rating plate.

Technical data

Provides detailed specifications and dimensions for various refrigerator models.

Description of refrigerator

Explains the different parts and controls of the refrigerator via diagrams and labels.

Refrigerator Operation

Cleaning

Instructions for cleaning the interior and exterior of the refrigerator.

Maintenance

Guidelines for regular maintenance checks, especially for gas systems, by qualified personnel.

Electrical operation

Details on operating the refrigerator using mains voltage (230V) and vehicle battery (12V).

Gas operation (liquid gas)

Instructions and warnings for operating the refrigerator using liquid gas (LPG).

Explanation of operating controls

Identifies and explains the function of various buttons and indicators for different models.

RM 8xx0 models

Specific operating instructions for the RM 8xx0 series with battery igniter.

RM 8xx1 models

Specific operating instructions for the RM 8xx1 series with MES.

RM 8xx5 models

Specific operating instructions for the RM 8xx5 series with AES.

Self-contained gas operation and optional battery compartment

Information on using the refrigerator's gas mode with an optional internal battery supply.

Door locking

Instructions on how to lock and unlock the refrigerator door, including parking features.

Lighting

Details on the refrigerator's interior lighting and its activation via the door contact.

Positioning the storage racks

Guidance on how to adjust and position the interior storage racks for optimal use.

Removable freezer compartment

Instructions on removing the freezer compartment to enlarge the cooling space.

Exchange of the igniter's battery

Steps for replacing the battery in the igniter for RM 8xx0 models.

Operation during low outside temperatures

Tips for maintaining performance in cold weather, including using winter covers.

Storing food and making ice cubes

Best practices for storing food in different compartments and making ice cubes.

Shutting off the refrigerator

Procedures for safely switching off the refrigerator for battery igniter and electronic models.

Defrosting

Instructions on how to defrost the refrigerator and what precautions to take.

Changing the decor panel

Steps for customizing the refrigerator's appearance by changing the decor panel.

Trouble-shooting

Common problems and their solutions for insufficient cooling in various operating modes.

Information on failure display and trouble-shooting

Explains error indicators (LEDs, acoustic signals) and how to interpret them.

Related product manuals

Dometic RM 8550 User Manual

Table of Contents

Other manuals for Dometic RM 8550

Questions and Answers:

Dometic RM 8550 Specifications

Summary

General

Introduction

Guide to these operating instructions

Copyright protection

Explanation of symbols used in this manual

Warranty

Limitation of liability

Customer services

Spare parts

Environmental notices

Declaration of conformity

Safety Instructions

Application according to regulations

User's responsibility

Protection of children when disposing of the equipment

Working upon and checking the refrigerator

Information on coolant

Appliances with electronics (MES/AES)

Operating the refrigerator with gas

Safety instructions when storing foodstuffs

Description of Model

Model identification

Refrigerator rating plate

Technical data

Description of refrigerator

Refrigerator Operation

Cleaning

Maintenance

Electrical operation

Gas operation (liquid gas)

Explanation of operating controls

RM 8xx0 models

RM 8xx1 models

RM 8xx5 models

Self-contained gas operation and optional battery compartment

Door locking

Lighting

Positioning the storage racks

Removable freezer compartment

Exchange of the igniter's battery

Operation during low outside temperatures

Storing food and making ice cubes

Shutting off the refrigerator

Defrosting

Changing the decor panel

Trouble-shooting

Information on failure display and trouble-shooting

Related product manuals