Question about Carrier 38CKC018 Air Conditioner
I disconnected the thermostat for painting, and didn't turn off the breaker. At one point two of the wires shorted together, then I wire nutted them all separately. When I hooked the thermostat (non-battery powered) back up, the screen wouldn't come on. I got a new thermostat (battery powered), and the screen works, and measures the temperature, but it won't turn the unit on.
I checked the box at the condenser outside, and pulled out what I thought were fuses, but upon closer inspection, looks more like 2 copper plates acting as jumpers that connect the hot and neutral lines in from the breaker to the hot and neutral to the condenser.
I'm stuck. Are these fuses, and I'm just missing it, or do I have a different problem? Please help!
When you removed the stat cover without turning off the power the low voltage transformer shorted when the wires touched.
Replace the lv transformer in the air handler.
Posted on May 26, 2009
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Posted on Jan 02, 2017
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