Do you have a question about the RMDX 21 and is the answer not in the manual?
Questions and answers
Margaret Bone
March 8, 2025
If the 12v battery dead will the fridge still work on gas
1 comments:
Mr. Anderson
March 8, 2025
No, the Dometic RMDX 21 fridge control panel runs on 12V from the van battery. If the 12V battery is dead, the control panel will not function, preventing the fridge from operating on gas.
This answer is automatically generated
Kathryn Wilson
February 4, 2025
I have a dometic RMDX21 is coming up with FF error. I have defrosted it and it still beeps
1 comments:
Mr. Anderson
May 14, 2025
The FF error on a Dometic RMDX 21 refrigerator indicates that the temperature sensor is defective.
RMDX21, RMDX25 Please read this instruction manual carefully before first use, and store it in a safe place. If you pass on the product to another person, hand over this instruction manual along with it. Table of contents Explanation of symbols ......... . .4 Safety instructions .
Explanation of symbols RMDX21, RMDX25 Explanation of symbols WARNING! Safety instruction: Failure to observe this instruction can cause fatal or serious injury. CAUTION! Safety instruction: Failure to observe this instruction can lead to injury. NOTICE! Failure to observe this instruction can cause material damage and impair the function of the product.
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RMDX21, RMDX25 Safety instructions • This refrigerator can be used by children aged 8 years or over, as well as by persons with diminished physical, sensory or mental capacities or a lack of experience and knowledge, providing they are supervised or have been instructed how to use the refrigerator safely and are aware of the resulting risks.
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Safety instructions RMDX21, RMDX25 Safe operation CAUTION! • Close and lock the refrigerator door before beginning a journey. • The refrigerator unit at the back of the refrigerator becomes hot during operation. Protect yourself from coming into contact with hot parts when removing ventilation grilles.
– Put out any naked flames. – Have the gas system checked by a specialist. NOTICE! • Only use universal LPG gas. Scope of delivery • Refrigerator • Ice-cube tray • Operating manual • Installation manual Accessories Accessories available from your local Dometic agent.
Intended use RMDX21, RMDX25 Intended use The refrigerator is designed for installation in caravans or motorhomes. It is only suit- able for cooling, freezing and storing foodstuffs. The refrigerator is not intended for the proper storage of medicine. CAUTION! Health hazard! Please check if the cooling capacity of the refrigerator is suitable for storing the food you wish to cool.
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RMDX21, RMDX25 Technical description Components No. in Description fig. 1 Ice compartment Top tray with flap Bottom tray with bottle holder Vegetable compartment Type plate Thawed water drainage channel Secondary evaporator for refrigerator Control elements...
Technical description RMDX21, RMDX25 Inside the refrigerator, you can see the type plate of the refrigerator. There you can see the model name, product number and serial number. You will need this information whenever you contact the customer service or order spare parts: MOD.
RMDX21, RMDX25 Technical description Control elements The control elements for the refrigerator are found behind the lower refrigerator door. The refrigerator features the following illuminated control elements: No. in Description fig. 3 ON/OFF button Operating with AC power supply Gas operation Operating with DC power supply Automatic mode (RMDX25 only) Setting the operating time of the freezer compartment...
Using the refrigerator RMDX21, RMDX25 There are two status LEDs (fig. 4 1) on the control panel below the lock for the freezer compartment: • Blue: The refrigerator is operating • Red: Problem Using the refrigerator NOTICE! • Make sure that you only put items in the refrigerator which may be kept at the selected temperature.
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RMDX21, RMDX25 Using the refrigerator NOTE • Before starting your new refrigerator for the first time, you should clean it inside and outside with a damp cloth for hygienic reasons. • The cooling performance can be affected by: – the ambient temperature (e.g. when the vehicle is exposed to direct sunlight) –...
Using the refrigerator RMDX21, RMDX25 Energy saving tips • Choose a well ventilated location which is protected from direct sunlight. • Allow warm food to cool down first before keeping it cool in the refrigerator. • Do not open the refrigerator more often than necessary. •...
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RMDX21, RMDX25 Using the refrigerator Gas operation WARNING! Fire hazard! Never operate the refrigerator with gas at petrol stations. NOTE • Periodical inspection of the burner is suggested to ensure contamination / vermin does not impede the burners performance. • Ignition problems may occur at altitudes above 1000 m. Switch to a different energy source.
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Using the refrigerator RMDX21, RMDX25 Opening the refrigerator door/freezer compartment door CAUTION! Always close and lock the refrigerator before starting the journey. ➤ Press the lock button and pull the door out at the same time. Fixing the locking catch in place When the vehicle is parked, you can fix the locking catch in place.
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RMDX21, RMDX25 Using the refrigerator ➤ Push the bolt under the locking catch upwards until it clicks into place. ✓ The door can be opened by pulling it without pressing the button. Re-engaging the locking catch ➤ Push the locking catch downwards. ✓...
Using the refrigerator RMDX21, RMDX25 Locking the refrigerator door/freezer compartment door ➤ Release the locking catch, if applicable (fig. 7, page 17). ➤ Press the door shut until you hear it clearly click. ✓ The door is now closed and locked for travelling. Selecting the temperature NOTE At ambient temperatures of +15 °C –...
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RMDX21, RMDX25 Using the refrigerator Notes on storing food CAUTION! Only store heavy objects such as bottles or cans in the refrigerator door, in the vegetable compartment or on the bottom shelf. The refrigerator compartments are recommended for the following types of food: No.
Using the refrigerator RMDX21, RMDX25 Please observe the following instructions for storing items: NOTE • Do not keep carbonated drinks in the ice compartment. • The ice compartment is suitable for making ice cubes and for keeping frozen food short-term. It is not suitable for long-term food storage.
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RMDX21, RMDX25 Using the refrigerator Positioning the shelves WARNING! Children beware! Two shelves are fixed in place to prevent children from climbing inside the refrigerator. • Only remove the shelves for cleaning purposes. • Replace it in the same position afterwards and lock it into place. Removing the shelf ➤...
Using the refrigerator RMDX21, RMDX25 Inserting the shelf ➤ For fixed shelves only: Undo the locking pins with a screwdriver. ➤ Insert the shelf into the required position. ➤ Press the locks under the shelf outwards to secure the shelf. ➤...
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RMDX21, RMDX25 Using the refrigerator 7.11 Operating in low ambient temperatures If the refrigerator is exposed to a room temperature of below +10 °C for prolonged periods of time, an even temperature in the freezing compartment cannot be guaranteed. Setting the refrigerator compartment to a cooler setting, adding room temperature goods to the fresh food compartment and using the fresh food area more often will help maintain the freezer temperature.
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Using the refrigerator RMDX21, RMDX25 7.13 Replacing the door panel NOTICE! Beware of damage The door panel must not be replaced when the refrigerator is upright. Removing the door panel from framed door model Proceed as follows: ➤ Remove the door trim carefully. It is only clipped in and held in place by small hooks.
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RMDX21, RMDX25 Using the refrigerator Installing the new door panel and trim on framed door model Proceed as follows: ➤ Push the new panel upwards in the door as far as the stop. ➤ Push the new panel downwards into the door. ➤...
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Using the refrigerator RMDX21, RMDX25 Removing the door panel from frameless door model Proceed as follows: ➤ Push the old panel upwards as far as the stop. ➤ Pull the old panel out of the door.
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RMDX21, RMDX25 Using the refrigerator Installing the new door panel on frameless door model Freezer compartment door: ➤ Push the new panel upwards in the door as far as the stop. Make sure that the new panel fits the door at the left and right, and that it clicks into place. ➤...
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Using the refrigerator RMDX21, RMDX25 Refrigerator door: ➤ Push two spacers downwards into the door, if necessary.
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RMDX21, RMDX25 Using the refrigerator ➤ Push the new panel upwards in the door as far as the stop. Make sure that the new panel fits the door at the left and right, and that it clicks into place. ➤ Push the new panel downwards into the door.
Cleaning and maintenance RMDX21, RMDX25 Cleaning and maintenance WARNING! Always disconnect the refrigerator from the AC power and turn off the gas before you clean and service it. NOTICE! • Do not use abrasive cleaning agents or hard objects during cleaning as these can damage the refrigerator.
RMDX21, RMDX25 Maintenance Maintenance WARNING! Working on gas and electrical installations may only be performed by qualified technicians. NOTE Have the refrigerator checked if the vehicle has not been used for a long time. To do this, contact the customer service. ➤...
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Maintenance RMDX21, RMDX25 Cleaning the gas burner WARNING! • Disconnect the AC power supply. • Close the gas valve to the refrigerator before cleaning the gas burner. • Allow the burner to cool down before cleaning it. • Do not modify the gas equipment. The gas burner can be cleaned without removing the gas equipment.
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RMDX21, RMDX25 Maintenance ➤ Clean the burner pipe of coarse impurities using a suitable cleaning brush with soft bristles (fig. k). ➤ Blow out the burner pipe with compressed air through the slots in the burner pipe (fig. l). ➤ Attach the burner cover. ✓...
Troubleshooting RMDX21, RMDX25 Troubleshooting Problem Possible cause Suggested remedy With AC operation: The fuse in the AC mains is Replace the fuse. The refrigerator does defective. not work. The vehicle is not connected Connect the vehicle to the to the AC mains. AC mains.
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RMDX21, RMDX25 Troubleshooting Problem Possible cause Suggested remedy The refrigerator does The ventilation around the Check that the ventilation grille is not cool sufficiently. cooling unit is not sufficient. not obstructed. The evaporator is iced up. Check whether the refrigerator door is properly closed.
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Troubleshooting RMDX21, RMDX25 Displays for faults and beeps Faults are indicated by the flashing of individual buttons on the control panel, a beep or a combination of both. Display Problem Suggested remedy The AC heater element or Contact the authorised customer flashing, a the cooling unit is service.
RMDX21, RMDX25 Warranty Warranty The statutory warranty period applies. If the product is defective, please contact the manufacturer's branch in your country (see the back of the instruction manual for the addresses) or your retailer. For repair and guarantee processing, please include the following documents when you send in the device: •...
Technical data RMDX21, RMDX25 Technical data RMDX21, RMDX25 Voltage: 230 Vw / 50 Hz 12 Vg Capacity – total: 160 l Capacity – freezer 30 l compartment: Power consumption: 250 W (230 Vw) 170 W (12 Vg) Power consumption: 4.2 kWh/24 h (230 Vw) 340 Ah/24 h (12 Vg) Gas consumption: 420 g/24 h...
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Dometic (Pty) Ltd. Dometic Branch Office Belgium MEXICO Regional Office Zincstraat 3 Dometic Mx, S. de R. L. de C. V. South Africa & Sub-Saharan Africa B-1500 Halle Circuito Médicos No. 6 Local 1 Unit 6-7 on Mastiff Linbro Park ...
Need help?
Do you have a question about the RMDX 21 and is the answer not in the manual?
Questions and answers
If the 12v battery dead will the fridge still work on gas
No, the Dometic RMDX 21 fridge control panel runs on 12V from the van battery. If the 12V battery is dead, the control panel will not function, preventing the fridge from operating on gas.
This answer is automatically generated
I have a dometic RMDX21 is coming up with FF error. I have defrosted it and it still beeps
The FF error on a Dometic RMDX 21 refrigerator indicates that the temperature sensor is defective.
This answer is automatically generated