Dometic RM3663 will no longer turn on. The lights flash and there is a continuous clicking noise from components on the lower circuit board. It sounds like the system can not fix on to either the 120 volt a/c mode, the gas mode, nor the DC mode.
SOURCE: FRIDGE WILL NOT IGNITE IN GAS MODE
The part you are looking for is the thermo couple. It senses the heat from the flame and holds the gas valve open. The clicking will try three times and then go into lock out. You then will need to reset on the front of the fridge. When installing the thermo couple do not over tighten.
SOURCE: Norcold Fridge will not work on LP gas while traveling.
One of two problems. The auto switch is bad or the lower circuit board is not doing its job. You can call norcold technical or take the board to a service center and have it checked with the tester they should have. The lower board retails for 176.00. I looked at my tech file and it is a little vague on your particular situation. If I were repairing your fridge I would take the smart route and call technical. Hope you get your problem solved. If you need more help please feel free.
Regards
SOURCE: Just bought a tent trailer with a Dometic Fridge.
You need to make sure that you follow the manufacturer's recommendations for using the unit with each specific power source. It's important that you have the all switches in the proper position, based on what power source you're using.
Here's the manual for your model, save a copy and print it out and take some time to review the section #3 Operating Instructions on page 6.
http://www.alcovr.com/DATA/MANUEL/DometicRefrigeratorModelsRM2191&RM2193.pdf
Hope you find this helpful and will resolve your issue.
SOURCE: Dometic RM3801. Propane ignition failure.
The older units has a 3 VDC glow coil the newer units have a 12VDC igniter.
Fromwhat your described above the next paragragh is your ignition system.
The igniter control voltages in the newer SPARK type igniters are (+) = 12VDC, (L)= high voltage lead (Spark plug voltage! I.e ruin your meter type voltage), (-)= Ground L is the lead that passes the HV spark from the control unit to the ignitor plate. The L lead should pass one heck of a hit if is workng correctly.
If not look at the HV lead to see if it is grounding out somewhere.
If the gas safety valve is not sensing gas pressure... you will not have 12VDC to the + terminal of the ignition moudule.
With the gas on and you have 12VDC at the ignition module + terminal then most likely the ignition module is bad.
Kelly
SOURCE: My Dometic rv refrigerator will not light in gas
Mineis the same way. Have you figured out anything yet?
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