Hunter 42177 Owner's Manual - Page 32
Problem, Solution, Heating or Cooling Does Not Go On or Off.
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Page 32 highlights
Thermostat Assistance Troubleshooting 5 Problem: Heating or Cooling Does Not Go On or Off. Solution: 1. Check that the function switch is in the correct position ("HEAT" or "COOL"). 2. There may be as much as 4-minute delay before the system turns On - wait and check. (Compressor protection delay.) 3. Check your circuit breakers and switches to ensure there is power to the system. 4. Replace batteries. 5. Make sure your furnace blower door is closed properly. 6. If your system only uses 4-wires, be sure the jumper wire is installed between the Rc and Rh terminals. Problem: Thermostat permanently reads "HI", "LO", or "Er". Solution: 1. Press the reset button once with a small pin and hold for two seconds. Then reprogram. 32 2. Replace unit. 44043-01 • 02/19/2010
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