My heating or cooling system will not turn on at all, and the display is flashing the word HEAT or COOL, but no air.

Pressing the RESET button will erase all entered programs, current time of day, day of week and other settings.All thermostat settings will be returned to their default values.1.Press and hold the button.

How do you gain access to a Braeburn thermostat?To lock the thermostat, press and hold the buttons together for 5 seconds.The screen will change and show 000 and LOCK.You can enter the first digit of your lock code by pressing the SpeedBar up or down.

Put the batteries back in, then switch the mode to eitherHEAT orCOOL, and turn the thermostat back on.

If your drip pan fills up, you can use a float switch to cut power to your heating and cooling system.A blank thermostat screen could be caused by this.Don't forget to check the drain pan if you've tried to change the thermostat or batteries.

You need to reset your thermostat.At the Thermostat, shut down your AC.To reset your thermostat, turn it off at the AC unit.Find the Circuit Breaker Box.The circuit breaker needs to be reset.Wait 30 seconds.The thermostat should be turned back on.

You can try these tips first with batteries.The thermostat cover should be removed and the batteries replaced.Check the circuit panel for a tripped breaker.Many thermostats have a fuse inside.There is a chance that a wire contact has come loose.

Set the thermostat switch to "Off" and then reset it.Push the coin open on the battery door.The batteries should be removed.The negative pole should line up with the positive terminal when the batteries are inserted backward.Put the batteries back in the correct position, then close the battery door.

The main gas supply needs to be turned on.Go to the reset button.Sometimes it is labeled in red.The reset button needs to be held for 30 seconds.

It won't cool your home as well if your AC system is low on refrigerant.Refrigerant runs in a closed loop through your system.It means you have a leak if your system is low on refrigerant.You can see the ice build up on your outdoor unit.

When the outdoor unit doesn't turn on, it's usually because the circuit breaker has tripped.The thermostat is the most likely cause of the AC unit not working.The rest of the central air system will not be able to communicate with a non-responsive thermostat.

If you are having an issue with heating and cooling units, such as after a sudden power failure or after your children have had control of the system while you've been away, resetting the thermostat should be the first thing you try.

Thermostat display is off or non-responsive are the most common signs of a broken thermostat.The heat or AC doesn't do anything.The heat or AC will come on, but either stays on nonstop or cuts out before the temperature is reached.

Click here to learn how to reset your thermostat.Press and hold the settings button if you want to perform a factory reset.You will need to re-link your doorbell push button and other devices.

The thermostat should be turned into the off mode.The reset button is located on the front of the thermostat.Try running your heating or cooling system again if you replace the batteries and move the system switch to the HEAT or COOL position.

There is a lock on the keypad.Press and hold the buttons together with the backlight key for one second to open the keypad.The lock icon will no longer be visible, and the key pad will be unlocked.

If your schedule changes, the hold function lets you change the temperature and thermostat.If you have a day off in the middle of a workweek and are at home, you can press the hold button to lock the temperature in.