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airheatman, HVAC Technician
Category: HVAC
Satisfied Customers: 8383
Experience:  Furnace, A/C and heat pump specialist.
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Rooftop Heat Pump Model 2WCC3030A1000AB cools and cycles but

Customer Question

Rooftop Heat Pump Model 2WCC3030A1000AB cools and cycles but after several hours the unit comes on (Compressor) but the blower does not. I leave it (thermostat) off for a day or two and the unit works for maybe a day and same problem
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: Changed filters when problem was detected. Changed batteries in thermostat also
JA: Do you plan on doing the work yourself?
Customer: yes. I am an Electromechanical tech.
JA: Anything else we should know to help you best?
Customer: are you still there ?
JA: No. I'm the HVAC Technician's Assistant.
Customer: should I keep waiting ?
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.

Firs step n troubleshooting this is going to be to see if the blower is getting signal to come on .Do you have a multimeter to do so?

Expert:  airheatman replied 1 year ago.

The most common reason for this is a defective fan relay but we need to troubleshoot to make sure if issue is bad relay. capacitor or motor itself.