Troubleshooting
If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected quickly and easily.
Display is | • | Check circuit breaker and reset if necessary. |
blank | • | Make sure power switch at heating and cooling system is on. |
| • | Make sure furnace door is closed securely. |
| • Make sure C wire is connected (see page 15). | |
Cannot change | • Check Function 0170: System Type to make sure it is set to match your | |
system setting |
| heating and cooling equipment (see page 54). |
to Cool |
|
|
Fan does | • Check Function 0180: Heating Fan Control to make sure it is set to | |
not turn on |
| match your heating equipment (see page 55). |
when heat is |
|
|
required |
|
|
“Wait” appears | • | Compressor protection feature is engaged. Wait 5 minutes for the system |
on the screen |
| to restart safely, without damage to the compressor. |
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