![]() Just as you would sometimes call a computer repair service and be told to turn your device back off and back on, the same applies to your AC unit. This is especially true with digital thermostats that function as mini-computers. If you have set the thermostat to cool, it may not be transmitting this information properly to the rest of the system causing the so-known AC light blinking issue. It is a safety mechanism meant to protect your system and home from damage in the event of a power surge but can sometimes kick in if underpowered.Īnother reason you might need a system reset might be that you’ve had an electronic issue with your thermostat. The breaker will trip to protect your AC unit from harm. This happens when fluctuations in the power flow threaten the system’s operations. If you have had to cut the power for some purpose or the weather has interrupted your power supply, in some types of air conditioners, the circuit breaker for the AC might have been tripped. No other tools or expertise is needed to perform a reset. If you have a smartphone, you’ll find it might be a substitute for both. You will need a flashlight and a timer for this process. This simple process may be all it needs to return to correct operation. However, if you have an issue, you can always try a bit of AC troubleshooting to get it back to work, keeping you cool.Ī reset may be in order if your AC is not blowing cold air, AC is off but the fan keeps blowing, or has stopped working altogether. The last thing you need is for your cooling system to go out when you need it most. Hopefully, you have had routine AC maintenance performed so that you are ready for the season. ![]() If none of these solutions work, contact us today.Air conditioners are a blessing on a hot Arizona summer day. Turn off the thermostat and then back on to reset the system.Check to make sure the thermostat is on and programmed to “Heat” or “Cool” your home.Check the manufacturer’s product manual to adjust the cycle time.If that is the case, you’ll need to move the thermostat to a better location. Either of these conditions can cause the thermostat to malfunction. Make sure the thermostat isn’t near doors to the outside or in an area with full sunshine.Issue #4: The Furnace or Air Conditioner Cycles Too Fast or Too Slow Also make sure that the wires for the thermostat and furnace/air conditioner aren’t touching together. Turn off the power, then check to make sure there isn’t a short in the wiring.Switch the thermostat setting to “Fan Auto.”.Issue #3: “Heat,” “Cool” or “Fan” Runs Non-Stop Try turning off power to the air conditioner for a few minutes and then turn it back on.If you have a programmable thermostat, make sure it is programmed correctly for the temperature your prefer at the specific time of day.Check to make sure the thermostat’s switch is set to “Cool.” (Switches can inadvertently be moved to the wrong setting.).Try turning off power to the furnace for a few minutes and then turn it back on.Make sure all wires are securely attached. Turn the power off and check for loose wires.If you have a programmable thermostat, make sure it is programmed correctly for the temperature you prefer at the specific time of day.Check to make sure the thermostat’s switch is set to “Heat.” (Switches can inadvertently be moved to the wrong setting.).Here are some simple troubleshooting steps you can take - before you call for service - to possibly resolve the problem yourself or determine if you need a new thermostat. ![]() When your heating or cooling goes out, the problem could be your thermostat, rather than your furnace or air conditioner.
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