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Operating Manual
Troubleshooting
If you have difficulty with your thermostat, please try the following suggestions.
Display is blank
Heating or
cooling system
does not respond
69-2261EFS—01
• 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 alkaline batteries are correctly installed (see
page 13).
• Set system switch to Heat (see page 5). Make sure the temperature is
set higher than the Inside temperature.
• Set system switch to Cool (see page 5). Make sure the temperature is
set lower than the Inside temperature.
• Wait 5 minutes for the system to respond.
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570-210
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