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Old 06-16-2021, 06:21 AM   #1
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Dometic DM2652RBX LP issue help plz!

Hi all new member here.
So I went to a non electric site with my 2020 Wolf pup for the first time last weekend. No biggie just run fridge off propane. Nope.

Further inspection reveals Hear the igniter. Flame lights. Igniter keeps clicking away... then shuts off flame and igniter after like 12 seconds. I made a video and put on youtube. This unit is still under warranty but the freaking service place is booked out till AUGUST!!! I feel pretty confident in my abilities to change out basic parts however I have very limited experience with a multimeter. What do you guys think??

https://youtu.be/ZlsZxkeeEbs
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Old 06-16-2021, 07:10 AM   #2
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Check to make sure you are getting propane to the refrigerator. With a new unit you might have an isolation valve you are not familiar with, or it could be an air bubble.

Also, take a flashlight and check the top for your burner. You need to be sure there is no no obstructions that fell on it.

Check your spark and make sure it is being drawn to the burner.

Gotta start somewhere

Bill
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Old 06-16-2021, 07:13 AM   #3
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Sorry, I just re-read your problem and realized you are getting spark. But it still sounds like you are not getting a constant flow of propane.

Bill
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Old 06-17-2021, 07:49 PM   #4
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Spark Electrode has dual duties
*Provide High Voltage Spark for ignition
*Return path for Flame Proving Signal (Flame Rectification)

Your electrode is Spark/Igniting
Your electrode is 'engulfed' in flame...gets cherry red (good thing)
BUT it continues to spark click, click, click even after flame lights off

SO......
Electrode looks like it might have soot/carbon on it...that will greatly restrict the Milliamp Current generated by flame
SO clean it up using some emery cloth

Check that the wire connection at Transformer is clean/tight...stops Milliamp signal
Check that wire is not loose in the ceramic insulator...stops Milliamp Signal
Check ceramic insulator for cracks....path to ground for Milliamp Signal
Spark Gap...1/8" - 3/16" directly over burner slot

IF after all is good with electrode and it continues to CLICK, CLICK, CLICK then circuit board is faulty
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