Look for and address simple reasons why the thermostat isnt getting power such as dead batteries or a tripped breaker or blown fuse in your main electrical service panel. Your air conditioning or furnace isnt operating quite reliably.
Basic Troubleshooting On Your Honeywell Thermostat
Home thermostat low battery symptoms. Get free shipping on qualified low battery indicator programmable thermostats or buy online pick up in store today in the heating venting cooling department. You get a blank screen and cant set your thermostat or turn your hvac system on. Check whether the thermostats display is lit. Change your wall thermostat batteries once a year or when the low battery indicator appears on the digital display. Some thermostats mostly digital ones use battery power for their functioning. The thermostat may also start beeping when the batteries are low.
Pull the wall thermostat housing off of its wall mount plate. Alternatively the screen may become blank making it impossible for you to adjust the thermostat. Low battery indicator light on your thermostat that may also include a beep from your thermostat unit. In cars the radiator thermostat may also have issues. A tripped circuit breaker or blown fuse may be interrupting power to the furnace or to the thermostat. If the screen is blank or unlighted a battery change could solve the problem.
The thermostat tells the system when to turn on and shuts it off when the house temperature has reached the desired level. The most common thermostat problems in relation to a homes heating and air conditioning system are low battery power and human error such as someone inadvertently resetting the thermostat. You can identify it by the small gauge wires similar to telephone or doorbell wires that run from the transformer to the thermostat. These thermostats are called low voltage because they run off a transformer that reduces line voltage from 120 volts to a level somewhere between 12 and 24 volts depending on the brand of furnace you have. It might be a simple case of the battery getting discharged or a malfunctioning of the battery recharging system. Most thermostats have a low battery indicator that will be displayed on the led screen that displays the temperature.
Make sure to shut off power to the transformers circuit before working on it. A blank or unlighted screen could indicate a thermostat failure. If it is not the thermostat cannot signal the air conditioner to cycle on. Other thermostat malfunctions could also be the result of bad batteries. Inspect the batteries and replace them if required. These are often caused by a thermostat which doesnt open or close effectively.
The symptoms vary depending on the thermostat brand. Many modern thermostats rely on battery power to operate.
Gallery of Home Thermostat Low Battery Symptoms
