Honeywell International Inc. TH8320WF01 Manuale Utente

Pagina di 71
69-2715EF—01
 62
If you have difficulty with your thermostat, please try the following suggestions.  
Most problems can be corrected quickly and easily.
Display is 
blank 
•  Check circuit breaker and reset if necessary.
•  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 
system setting 
to Cool
•  Check Function 0170: System Type to make sure it is set to match your 
heating and cooling equipment (see page 54).
Fan does 
not turn on 
when heat is 
required
•  Check Function 0180: Heating Fan Control to make sure it is set to match 
your heating equipment (see page 55).
“Wait” appears 
on the screen
•  Compressor protection feature is engaged. Wait 5 minutes for the system to
restart safely, without damage to the compressor.
Troubleshooting