13. Ducted heater has blank Thermostat screen | Wall control not working
a. The batteries are flat. Many Thermostats require batteries that need to be changed once every year. Try to replace batteries with a fresh set.
b. The circuit breaker tripped. Some thermostats are getting power from the heater, If the circuit breaker trips, it may shut off the power to your heater and screen will go blank. Check and reset circuit breaker in electrical box. But, do not repeat if the breaker trips again.
c. Blown fuse. Heating unit has built-in fuse, when it's blown, the transformer will stop supplying voltage to the heater's components. Replacing a fuse might help to restore power to the heater and thermostat.
d. Loose Connections or Wiring Problems. Visually check wiring or connections for damage or oxidation.
e. Faulty Thermostat. If all else fails, your thermostat might need to be replaced. The average device has a life expectancy of around 15 years.
If you’ve noticed continued problems with a thermostat that keeps going blank, we are ready to help. Contact REPAIR Heating & Cooling and our Technicians will identify and solve the problem for you.