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pjw73nh's avatar
pjw73nh
Explorer
Nov 11, 2017

Dometic RM2453. LP good, AC freezes, nothing on DC.

Dometic RM2453. Works fine on LP, freezes on AC and does not appear to do any cooling on DC. I know from what the previous owner told me that the AC heater was replaced last year. I am using the...
pjw73nh's avatar
pjw73nh
Explorer
Nov 12, 2017
Hi Bob, tnx for the reply. Yes, I saw that. I have the same manual. I have 13.67V at the heater. I have not measured resistance. I will try and do that tomorrow. But with the 15 amp current flow I must be pretty close to the .83 Ohms plus/minus 10% that they are looking for. I don't think there is another way of testing it (replacement $$). Would rather not spend the $$ unless I am CERTAIN that it is the issue.

I am still left with the thermostat issue even AFTER I fix the 12V issue.

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