Question about Dometic 57915531 Air Conditioner
It should read 24v not 12v!!!!! Check your sub base on the t-stat. Voltmeter set on volts, touch R to C and get 24 volts if no common to the C then touch R to G which is the Indoor Fan Motor! If the Indoor fan is blowing air out the vents you are getting power to and through the transformer. AS stated check all wire connections and if good the problem is a faulty Contact Relay out side at the Condenser Unit! Check the low voltage wires comeing into it for 24v if it has it when the T-Stat is set to call for cooling then your contactor is bad!
Posted on Aug 22, 2010
If you don't here the compressor kick in after about 3 min then the thermastat is not telling the compressor to com on, or the control board is not telling the compressor to come on. The power can be traced from thermastat to the control board and will have a 12volt feed on the yellow wire at the control board with compressor mode on. From there it is 120volts the control board has a relay that turns on the compressor. the compressor capasiter can cause the compressor not to come on, normally it will have burnt wiring.
Posted on Aug 04, 2010
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Posted on Jan 02, 2017
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