Honeywell TH8320ZW User Manual

Page 21

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TH8320ZW

69-2485EFS—05

ENGLISH

In case of difficulty

Heating or cooling

system does not

respond

• Press

SYSTEM to set system to Heat. Make sure the temperature is set

higher than the Inside temperature.

• Press

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.

Display shows

Fan Auto and On

or Auto and Circ

at the same time

• This is normal operation. Auto indicates the thermostat is following the

programmed fan setting. If Auto and On is shown, the fan is scheduled for
“On” during this period (see page 7).