In Case Of Difficulty - Honeywell VisionPRO TH8000 Serie Manual De Uso

Operating Manual

In case of difficulty

If you have difficulty with your thermostat, please try the suggestions below.
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.
• If thermostat is battery powered, make sure fresh AAA alkaline batteries
No response to • Check to make sure the thermostat is not locked (see page 25).
key presses (or
Make sure heating and cooling temperatures are set to acceptable ranges:
temperature
• Heat: 40° to 90°F (4.5° to 32°C).
will not
• Cool: 50° to 99°F (10° to 37°C).
change)
Backlight is dim • If thermostat is battery powered, make sure fresh AAA alkaline batteries
• If thermostat is AC powered, a dim display is normal. The backlight
are correctly installed (see page 20).
are correctly installed (see page 20).
remains on at a low level, and brightens when a key is pressed.
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