Thermostats can be extremely frustrating when they fail to respond as intended, but most issues can be quickly and easily solved with just a few straightforward troubleshooting steps.
If you’re still experiencing thermostat troubles, check out this helpful resource on air conditioning repair at Diamondback Plumbing and Cooling for more tips and expert assistance.
Check the battery
If the screen on your thermostat has become dark, this could indicate that its batteries have run dry. Replacing them is a simple solution, and everything will return to normal quickly.
If this has already been tried, but your AC still won’t turn on, a tripped circuit breaker or blown fuse may be to blame. Locate which circuit governs your thermostat in the breaker panel and switch it back on as soon as possible, or replace its fuse with one from another brand.
If your AC won’t start up, it may be the result of a failing capacitor, which acts like an enormous battery to store electrical charges needed to start up the compressor at the thermostat’s signal for cool air.
These capacitors often have short lifespans and should be serviced or replaced as soon as possible to avoid more serious repairs and system replacement costs.
Check the connections
If your thermostat clicks but nothing changes, this could indicate an issue with the circuit breaker. This device provides power for air conditioners and other electrical devices – should it trip and become inoperable, you must manually switch it back on for your thermostat to function correctly.
If the breaker keeps tripping, consider replacing it. Be wary when working around electrical components; only attempt replacing them if you feel confident of your abilities or hire an expert to take on this task.
If your thermostat is digital, its wires may have become damaged, preventing it from properly communicating with the HVAC system. It could also have stopped functioning; in such a case, professional HVAC services must be sought to obtain replacement units.
Check the settings
If your thermostat’s screen goes dark when clicking any button, that could indicate an issue with its hardware – including dead batteries, circuit breakers, or fuse blows that haven’t appropriately tripped, for instance. To start troubleshooting these problems, turn off its power switch.
If the switch is on, ensure your air conditioning system is set to Cool. Otherwise, you could have chosen inappropriate equipment or a pre-selected temperature schedule that doesn’t match your system.
Check your thermostat for signs of dirt or disconnection; using compressed air, cotton swabs, or screwdriver-pliers could help clear away accumulated dust; otherwise, contacting an HVAC technician could provide the expertise to get your thermostat back working smoothly.
Check the system
Thermostat issues can arise for various reasons, but many can be quickly solved with minimal effort. Change the batteries, ensure your device is plugged in, check its settings are correct, and ensure there are no debris buildups on its surfaces.
Calling the experts may be necessary if your air conditioner still needs to start independently. They have access to the tools and expertise required for quickly diagnosing complex issues so your system can get back up and running.