If your batteries are not correctly positioned—the positive (+) ends pointing up, your thermostat won’t turn on.

Honeywell thermostat battery died. All you have to do is put the switches back in position. Anyway, in most of the thermostats, there is an led indicator that reads low battery. Locate the batteries by removing the battery compartment tray or cover or by removing.

If the batteries die, there is no power going to the system. Gently press the side of the thermostat to retrieve the battery compartment. There are several issues that could prevent your thermostat from turning on your ac, these include:

Open the front cover by pulling the front cover out gently. Leave the batteries as installed for 5 to 10 seconds. A fresh set of batteries typically lasts a year in a honeywell thermostat.

All honeywell thermostats that have batteries store the batteries in the control panel. Replace batt air conditioner if central air thermostat not working. Another common problem is a display screen that appears blank when everything is powered on.

Remove the depleted batteries and replace. For context, here is the correct way to install thermostat batteries: The thermostat may also start beeping when the.

When the batteries are weak, so to will the thermostat weaken. The thermostat might have been accidentally set to “heat”. If “my ac is not working” means that it is blowing hot air after the batteries have been changed, check whether the.