Question about Heating & Cooling
Carrier Model 38LE048310CD Contact swith not engaging when I manually push in everything works pulled all wires and put 24 volt-swith works it seems as the low pressure switch or an electronic board is the suspect. how can I test which part has failed
Posted by Anonymous on
If you put a jumper wire across the low pressure switch and unit runs then either the low pressure switch is bad or you are low on refrigerant. Then check to see if you have 24 volts from common to Y1 at the control board,if you do then it's the low pressure swtch or low on refrigerant, if not it's the board if you have 24 volts coming into the board on Y1 and Common.
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Posted on Jan 02, 2017
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