Question about Dometic Refrigerators
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Posted on Jan 02, 2017
anan, I think your display is giving you a code on these LG. See if you can find the tech sheet behind the toe panel. On your display panel from memory, 3 led's lit from the left means a failed defrost thermistor. This could be the reason you are frosting up and restricting the air flow. There is a main board in back that you can ohm out the thermistors. Connector 4, the two bright orange wires #5 and 6, should ohm at 19K ohms at 50 degrees. Now Im doing this from memory, if you can find your tech sheet, it will give you precise information. Catriver.
Posted on Jun 14, 2007
Your refrigerator has a defrost timer and it may not be going into defrost every 8 to 10 hours. I was not able to get a picture for you of the location, but look inside the fresh food compartment and inside the teperature control panel should have a hole with sometimes a plastic plug stuck in it. If not there it will be under the kick plate at bottom of fridge. Take a flat head screwdriver and slowly turn to the right until refrigerator stops running. After about 30 minutes if it does not restart, star by again turning slowly clockwise until it starts. Let me know what you find, Thanks, Sea Breeze
Posted on May 18, 2009
turn freezer to higher temp and turn fresh to lower temp this maximizes airflow into the refrigerator. check the door that regulates airflow into fresh side..see if its stuck closed for some reason. good luck! :)
Posted on Jun 14, 2009
SOURCE: I have a Dometic RM2601
If it does not cool on either gas or electricity but is getting hot at the rear of the unit chances are that the cooling unit will need factory repair or replacing. There are only two main failures with gas RV refrigerators.
1 The RV refrigerator is run unleveled causing the cooling unit boiler to overhead, block and crack.
2 The RV refrigerator cooling unit's steel tubing rusts and the ammonia/hydrogen gas leaks out.
Gas RV refrigerators do not operate the same way as other refrigerator types. They are charged with four types of chemicals and this mixture must be exact for the unit to work properly. The four chemicals of the charge are.
2. Ammonia Gas
3. Hydrogen Gas
4. Rust Inhibitor powder
Boiler blocks or cracks - If the refrigerator is run while not leveled for an extended period, the cooling unit water will not flow into the boiler. The boiler as a result gets excessively hot and can bake the rust inhibitor. This will in-turn block the small 1/4" tube in the boiler and all flow will stop. If the refrigerator is kept running under these circumstances the boiler tube will get so hot that it will crack open. If this happens a yellow powder around the burner area may be visible indicating that the cooling units rust inhibitor is leaking.
Leaks - When a unit rusts and leaks as a result, the ammonia gas is lost first. You can sometimes smell the ammonia gas. However when the door is opened or if the leak is small there can be little or no smell. Under these circumstances there could be a boiling sound at the back of the refrigerator. This means the hydrogen gas has also leaked out and the water is now boiling. Ammonia smells or large gurgling sounds from the refrigerator are indicators that the refrigerator cooling unit is leaking.
Hope it helps.
Thank you for using FixYa.
Posted on Jun 25, 2011
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