Why Does My Thermostat Have a Blank Screen?

Power supply issues can cause thermostat screens to go blank, but a blank screen isn’t always a sign of a major problem. Review these five reasons for a blank thermostat screen while you decide whether to schedule repairs in Flagler Beach, FL:

Blown Fuse or Tripped Circuit Breaker

A blown fuse or tripped circuit breaker often happens because of a power surge or when people overload their electrical system. You can try flipping the breaker again or replacing a fuse, but call a professional for repairs if the problem comes up again.

Dead Batteries

Your thermostat will either get power from a battery or wiring attaching it to your home’s electrical system. Most thermostats use either 3-volt lithium or alkaline AA batteries that are easy to find and replace.

Loose or Faulty Wiring

The wiring behind your thermostat may loosen due to vibrations from heavy foot traffic or poor installation. Rodents may cause damage in some cases; always call a professional if you suspect there is wiring damage or you see wires sticking out.

Tripped Safety Switch

Your HVAC system may shut the power off as a safety precaution by itself; it should turn back on if you empty the heat pump or AC condensate pan. Call a professional if the issue’s related to your furnace; the service technician should examine your system and the transformer involved.

Open Furnace Door

Some systems will turn the power to the thermostat off when the furnace door pops open. If you close the door, the system should reset and automatically turn the screen back on.

Don’t waste time wondering why your thermostat screen is blank when expert help is just a phone call away. Contact Arctic Breeze Air Conditioning & Heating for quality repairs and maintenance that can help your system last for more years.

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