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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 6022
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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My thermostat is not working and has a blank screen.

Customer Question

My carrier thermostat stopped working and has a blank screen. The heat was running this morning and before I left for work I went to turn it down but it was completely blank and the furnace was not running.
Submitted: 1 year ago.
Category: HVAC
Expert:  airheatman replied 1 year ago.
You have probably lost power from the furnace to the thermostat.
1.Have you checked furnace breaker?
2.Can you do some hands on troubleshooting?
3.Do you have a volt meter to troubleshoot?

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