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44047-01 • 06/18/2012
22
Problem:
Heating or cooling does not turn on or off.
Solution:
1. Check the system is in the right mode (heat or cool).
2. Be sure to wait up to 4 minutes for system protection if your system
was just on.
3. Check breakers to make sure power is getting to your system.
4. Replace the batteries.
Problem:
Backlight does not come on.
Solution:
1. Replace the batteries.
Troubleshooting and Support