Question about Mastercool 67680 Evaporative Cooler Air Conditioner
Mastercool pump runs and wets the pads when my control box is turned off inside the house. To stop the pump, I have to go outside and turn off the power to the unit. Why is this happening?
Check the compressor relay (in the outside unit) Most likely it's stuck.
Posted on Sep 13, 2009
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Posted on Jan 02, 2017
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