TROUBLESHOOTING TIPS
SYMPTOM
ACTION TO TAKE
Thermostat Dead
1. Check power to the thermostat
2. Check wiring diagrams
3. Check thermostat temperature sensor
Thermostat will not operate with a damaged temperature sensor
SYMPTOM
ACTION TO TAKE
Fan, Heat, Or Cool
Inoperative
1. Check for break in G, W, or Y wire
2. Allow minimum off time to pass
3. Check system options for correct settings
4. Remote system is overriding thermostat
"REMOTE"
is displayed when system is overriding thermostat.
Disconnect the cable from "COMM" connector to test
SYMPTOM
ACTION TO TAKE
Can't Adjust
Temperature
1. Mode is Off (Select Heat, Cool, or
Auto)
2. Check if thermostat keys are disabled
To enable thermostat keys for test, remove jumper
SYMPTOM
ACTION TO TAKE
Control By Remote
System Not Working
1. Check COMM connector and wiring
2. Check thermostat address setting
3. Check communications mode setting
4. Check setup of the remote system
Ensure that all setup items for the thermostat and the remote
system are set to the proper configurations for communication
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