Installer Options; Troubleshooting - Honeywell TH8321WF1001 User Manual

Installer options

Installer options require a password and
should only be changed by a qualified
technician.
To prevent unintended changes or
damage to your equipment, do not
change these options yourself.

Troubleshooting

If you have difficulty with your thermostat, try these suggestions. Most problems can
be corrected quickly and easily.
Screen is
blank
Screen is
difficult to
read
Red light is on
Heating
or cooling
system does
not respond
33-00066EFS—05
• 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.
• Change screen brightness using Preferences menu (see page 15).
• If thermostat is in Emergency Heat mode, the red light is normal. It
shows that the thermostat is in Emergency Heat mode.
• If thermostat is not in Emergency Heat mode, an alert is active. Check
message on the thermostat screen.
SYSTEM
• Touch to set system to Heat. Make sure the temperature is set
higher than the Inside temperature.
• Touch SYSTEM to set system to Cool. Make sure the temperature is set
lower than the Inside temperature.
• Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is on.
• Make sure furnace door is closed securely.
• If "Wait" is displayed, the compressor protection timer is on. Wait
5 minutes for the system to restart safely, without damaging the
compressor.
Installer Options
Enter password
21
MCR34100
MCR33976
0 0 0 0
MCR33977