Honeywell FocusPRO 5000 - Troubleshooting Common Issues; Display is Blank; System Not Responding; Temperature Settings Unchanged

5
Troubleshooting
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 & cooling system is
on.
• Make sure furnace door is closed securely.
• make sure fresh AA or AAA alkaline batteries (depending
on model) are correctly installed (see page 3).
Heating
or cooling
system does
not respond
• Press SYSTEM button to set system Heat (see page 2).
Make sure the temperature is set higher than the Inside
temperature.
• Press SYSTEM button to set system to Cool (see page 2).
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.
• Wait 5 minutes for the system to respond.
Temperature
settings do
not change
Make sure heating and cooling temperatures are set to
acceptable ranges:
• Heat: 40° to 90°F (4.5° to 32°C).
• Cool: 50° to 99°F (10° to 37°C).
“Cool On” or
“Heat On” is
flashing
• Compressor protection feature is engaged. Wait 5
minutes for the system to restart safely, without damage
to the compressor (see page 3).