Honeywell RTH9580 Wi-Fi User Manual page 74
Wi-fi color touchscreen programmable thermostat
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Also See for RTH9580 Wi-Fi:
- User manual ,
- Quick start manual (21 pages) ,
- User manual (160 pages)
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Troubleshooting
Heat pump
issues cool air
in heat mode,
or warm air in
cool mode
Heating or
cooling system
does not
respond
Heating system
is running in
cool mode
69-2809EF—03
• Check your setting for System Setup screen "Type of changeover valve" to
make sure it is properly configured for your system (see page 66).
•
Touch SYSTEM
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 and 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 (see
page 59).
• Check that System Setup screen "Your thermostat controls" or "Your
system type" is set to match your heating and cooling equipment (see
"System Setup Options (MENU > System Setup)" on page 65).
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