In Case Of Difficulty - Honeywell TH7000 Series Operating Manual

In case of difficulty

If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is blank
No response to
key presses (or
temperature will not
change)
Backlight is dim
• 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 alkaline batteries
are correctly installed (see page 18).
• Check to make sure the thermostat is not locked (see page 17).
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)
• If thermostat is battery powered, make sure fresh AA alkaline batteries
are correctly installed (see page 18).
• If thermostat is AC powered, a dim display is normal. The backlight
remains on at a low level, and brightens when a key is pressed.
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TH7000 Series
69-2667ES—01