Question about Coleman Mach 15 Air Conditioner
Sounds like you have a bad thermostat or a short in the wiring. The clicking that you are hearing in the ceiling is a relay in the control board. When this happens, remove the face plate from the thermostat and check for 12VDC between the Blue and the White wires. If there is power then you have a bad thermostat. If there is not power there, then the problem is elsewhere. However, it sounds as if you have a bad thermostat.
Posted on Jul 04, 2009
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Posted on Jan 02, 2017
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