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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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Ac quit. Air handler is flashing code a475. Earlier today

Customer Question

Ac quit. Air handler is flashing code a475. Earlier today venstar thermostat went dark twice. Both times I unpluged the thermostat and repluged it back in. It reset and started coolong. Now thermostat says cool on, but no signal to condenser and code A475 flashes
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: Yes thermostat is correct. We noticed the filters were dirty. They have just been replaced
JA: Do you plan on doing the work yourself?
Customer: I think I can handle it
JA: Anything else we should know to help you best?
Customer: New unit 2 yrs old
Submitted: 3 months ago.
Category: HVAC
Expert:  WCohn replied 3 months ago.

Hello, my name is ***** ***** I look forward to helping you!

Expert:  WCohn replied 3 months ago.

I am assuming this is a Lennox unit?

Customer: replied 3 months ago.
it is a lennox