Honeywell FocusPRO TH5000 Operating Manual page 13

FocusPRO* TH5000 Series
If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily,
Display is blank
Temperature
settings do not
change
• 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 thermostat is battery-powered, make sure fresh AA or AAA alkaline
batteries (depending on model) are correctly installed (see page 10).
Make sure heating and cooling temperatures are set to acceptable ranges:
• Heat: 40° to 90
o
F (4.5° to 32
0
C).
• Cool: 50° to 99
0
F (10° to 37
0
C).
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