Question about Refrigerators
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Posted on Jan 02, 2017
SOURCE: Dometic Caravan Fridge 7271
Your refrigerant may have completely separated in the system. Shut of the gas, disconnect the electrical and remove refrigerator from the coach or if you have sufficient room inside set it on a clean area. This operation is what is called burping the system.
1. From the base roll it onto the door and wait five minutes.
2. roll it onto the top and wait five minutes.
3. Roll it on the back and wait five minutes.
4. Return it to the base and wait five minutes.
Reinstall it or test it on electrical. It should show signs of cooling in about 30 minutes in the freezer compartment if the system is not plugged in the boiler.
Posted on May 26, 2008
SOURCE: Thetford Fridge N112
There is a very likely possibility that the resistance heater for the 12 Volt side of the operation is open. This heater can be checked for continuity using an OHM meter from the terminals for the 12 volt .
Posted on Jun 02, 2008
Thats a Norcold compact fridge. The most likley problem would be the thermister. Need to do an ohms reading. From inside of the fridge remone the thermister from the fins and unplug the wires. With a VOM set it on Ohms, touch the wires with the probes/ does not matter which probe to wire/ hold the bulb end of the thermister between your fingers, your reading should stat at about 7000 Ohms. Stick the bulb end of the thermister in a glass of ice water, reading should start climbing and go to about 22000 Ohms. If this happens the thermister is good and you need to look elsewhere. If it does not test out you need to replace the thermister. The thermister is a thermostat that controls the heat source that makes the fridge cool. If the thermister reads good you may want to get the circuit board tested.
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Posted on Mar 30, 2009
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