Different but similar problem
My 72 AS with a Dometic AC/gas refrig has been stored indoors for 3 years. Got it out and woke it up; everything working except the 'fridge.
Gas lights and burns properly, system makes the same liquid noises I recall, but there is no chilling of the freezer or the refrig compartment. I have not run it for HOURS, but I recall that there was some noticeable chill down of the freezer floor after an hour or two.
Ditto the same situation on AC.
In both configurations the condenser coils on the 'outside' above the 'fridge door are warm/ hot to the touch, as is the plumbing. Just no cooling.
Long term (about 5 hours) running of the fridge on AC resulted in the refrig coils inside being a little warm....no change to the freezer.
I've leveled and re-leveled the unit several times, running the tongue jack all the way up and down, and rocked the trailer from side to side, as I was told there may be a bubble stuck somewhere causing a vapor lock. I don't believe the coolant liquid has breached anything, as it is clearly still moving around in the pipes, with attendant liquid noises and heat in the pipes.
Any ideas? I recall being told to tow the trailer a few miles with it operating on gas to shake any vapor locks loose, but I've not done that yet.
Thanks in advance.
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