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Dometic Refrigerator on my R Pod 172

dslc6487
Explorer
Explorer
The light in my dometic refrigerator does not work. I took the inside locking mechanism apart and removed the 4 section light bulb and checked it with another 12v power source. The bulb works fine. In checking the plug that comes out of the wall that connects to the terminals on the light bulb, I am getting no power to the plug. Anyone have any idea what to do next in order to try and get power to the plug to the light.
4 REPLIES 4

Chris_Bryant
Explorer II
Explorer II
Because you talked about a locking mechanism, it sounds like you have an RM8500 series. If so, it just needs programming.

Controlling the interior light via reed switch
The AES-Electronics uses the X114 and X111 as well for controlling the reed
switch as well as the electrical lock.
The electronics will recognize the application of a reed switch, following the
below steps:
1. Choose step 9 in the service mode
2. Open the door
3. Close the door (reed switch will be recognized)
4. Continue service mode (push button 6)
The interior light will now be controlled via the reed switch.
Basically the electronics are defined with โ€œrecognizing Reed switchโ€.


To access the service mode:

Service Mode AES
The Service Mode is activated by keeping pressed down the temperature button
and switching on the main button.
After this the 7-Segment-Display shows โ€ž1โ€œ. By pushing the temperature button,
the different test-steps can be activated:
1 = activates 120 V heating element (120V must be available)
2 = activates 120V relay (120V has not to be necessarily available)
3 = activates 12 V heating element (D+ and 12V supply has to be available)
4 = Intern test step (is not indicated)
5 = activates burner control device โ€“ output (Gas operation)
6 = activates frame heating
7 = activates interior lights (Except for electrical lock)
8 = Intern test step (is not indicated)
9 = Recognizing electrical lock or reed switch
10 = activates all 7 segment-components one after the other
11 = activates all LEDยดs
Exiting the diagnosis mode: Push โ€žmodeโ€œ button or wait for 10 minutes.


This from the service manual I have online at my service manual page- it also tells how to program the lock, but it's an odd manual, translated from German.
-- Chris Bryant

Old-Biscuit
Explorer III
Explorer III
Bad door switch
Bad magnetic switch
Bad door contacts
Bad assembly
Bad connectors
Bad cable/leads
Bad cable connectors at control module
Bad circuit on control module
Bad ETC


Could be simple/cheap, could expensive ....hard to tell

Domectic makes LOTS of models..some use same circuits----some are completely different
BUT ONE of the BAD list will probably be culprit
Is it time for your medication or mine?


2007 DODGE 3500 QC SRW 5.9L CTD In-Bed 'quiet gen'
2007 HitchHiker II 32.5 UKTG 2000W Xantex Inverter
US NAVY------USS Decatur DDG31

mchero
Explorer
Explorer
Should be able to locate a wiring diagram with the model number.
Robert McHenry
Currently, Henniker NH
07 Fleetwood Discovery 39V
1K Solar dieselrvowners.com
2005 Jeep Grand Cherokee
Prior:1993 Pace Arrow 37' Diesel

DrewE
Explorer II
Explorer II
You don't list the model of the fridge you have, so this is somewhat guesswork.

On my Dometic fridge, I had the door switch for the light stop working due to crud and oxidation inside the switch. I was able to take it apart and clean it up and get it back together, and so far that fix has worked out fine. I don't know how long-term it will be, though it has been quite a few months already. The switch was also available as a replacement part (at what I thought was a rather steep price).