Quote:
Originally Posted by capeharj
You may have a bad battery, but, if you have no 12 volt when on shore power your issue is with the converter. Air conditioner (A/C) doesn't work on 12 volt it's an A/C appliance, refrigerator requires 12 volt to operate, even on A/C, for the controls. I would check the converter before replacing the battery, it may be the issue.
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The Air Conditioner does not require 12 VDC to operate, but if it is controlled by a thermostat, the thermostat requires 12 VDC to operate the Air Conditioner.
Think of it as "control power" for the Air Conditioner.