Loading ...
Loading ...
Loading ...
![](https://files.manualsfile.com/83996781-rak164p2/bg12.png)
18
Power failure Indicator
The programmable thermostats with battery backup also will
indicate a main power failure when the 24 VAC power from the
room air conditioner is not present.
Power failure
The thermostat will display a power failure
indication (“PF”) on the screen.
Note: If “PF” is displayed, it means the 24
VAC power to the thermostat is lost.
Loading ...
Loading ...
Loading ...