Troubleshooting Tips
If... | Then... | |
|
| |
Key to the right | MORE key remains blank unless the Furnace | |
of the screen | Filter Change Reminder has been turned on. | |
key is blank. | See User Set−Up Number 0500. | |
|
| |
Display is | Check that fresh AAA alkaline batteries are | |
blank. | installed as marked on the thermostat. | |
|
| |
Temperature | Check that temperature settings are: | |
settings do not | ¯ Heating 40°F to 90°F (4.5°C to 32°C). | |
change. | ||
¯ Cooling 50°F to 99°F (10°C to 37°C). | ||
| ||
|
| |
Heating system | ¯ Press the SYSTEM key to set to heat. | |
does not turn | ¯ Check the heat temperature setting to be | |
on. | ||
sure it is set above the room temperature and | ||
| ||
| ¯ Make sure circuit breaker is not tripped. | |
| ¯ Check the power switch at the heating | |
| and/or cooling system to make sure it is on. | |
| ¯ Check the furnace door to make sure it is | |
| closed securely. | |
| ¯ Wait five minutes for the heating system to | |
| respond. | |
| ¯ If the problem has not been identified and | |
| corrected, contact a qualified service techni- | |
| cian. | |
|
| |
| table continued on next page |
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