Common HVAC Problem
Thermostat Not Working
Your HVAC system is telling you something. Here's what thermostat not working means, why it happens, and how to fix it.
Signs You're Experiencing This
Blank thermostat screen
Thermostat unresponsive
Temperature reading incorrect
System not responding to changes
Schedule not working
What Causes Thermostat Not Working
1
Dead batteries
2
Tripped circuit breaker
3
Wiring issues
4
Thermostat failure
5
Power surge damage
6
Loose connections
Try These Before Calling
Safe checks you can do yourself before scheduling a service call.
1
Replace batteries (most common fix)2
Check circuit breaker3
Verify display shows correctly4
Try adjusting temperature up/down 5 degrees5
Check if system respondsWhen to Call a Professional
- New batteries don't fix it
- Wiring appears damaged
- System doesn't respond to thermostat
- Want smart thermostat upgrade
- Thermostat older than 10 years
Thermostat Not Working FAQ
Thermostat Not Working is commonly caused by: Dead batteries, Tripped circuit breaker, Wiring issues. Other factors include Thermostat failure and Power surge damage. A professional diagnosis can pinpoint the exact cause in your system.
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