A900_S: Configuration Data Restore Failure
The Thermostat has had a critical fault
This fault is exclusive to the Thermostat. NOT THE EQUIPMENT. It means the firmware in the thermostat is corrupt and you will have to replace it.
The Thermostat has had a critical fault
This fault is exclusive to the Thermostat. NOT THE EQUIPMENT. It means the firmware in the thermostat is corrupt and you will have to replace it.