Troubleshooting - Honeywell RTH9580 Wi-Fi User Manual
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
If you have difficulty with your thermostat, please try the following suggestions. Most
problems can be corrected quickly and easily.
Display is
blank
Cannot change
system setting
to Cool
Fan does
not turn on
when heat is
required
"Wait" appears
on the screen
• 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 11).
• Check that System Setup screen "Your thermostat controls" or "Your
system type" is set to match your heating and cooling equipment (see
page 65).
• Check that System Setup screen "Your fan control" is set to match your
heating equipment (see page 66).
• Compressor protection feature is engaged. Wait 5 minutes for the system
to restart safely, without damage to the compressor.
71
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