Honeywell Wi-Fi 7-Day Programmable Thermostat (RTH6580WF) 用户指南

If you have difficulty with your thermostat, please try the following suggestions.  
Most problems can be corrected quickly and easily.

•  Check circuit breaker and reset if necessary.

•  Make sure power switch at heating and cooling system is on.

•  Make sure furnace door is closed securely.

•  Make sure C wire is connected (see page 6).

• Check Function 1: System Type to make sure it is set to match your heating 

and cooling equipment (see page 18).

• Check Function 3: Heating Fan Control to make sure it is set to match your 

heating equipment (see page 18).

•  Compressor protection feature is engaged. Wait 5 minutes for the system to 

restart safely, without damage to the compressor.

• Check Function 2: Heat Pump Changeover Valve to make sure it is properly 

configured for your system (see page 18).

• Press 

 to set system to Heat. Make sure the temperature is set higher 

than the Inside temperature.

• Press 

 to set system to Cool. Make sure the temperature is set lower 

than the Inside temperature.

•  Check circuit breaker and reset if necessary.

•  Make sure power switch at heating & cooling system is on.

•  Make sure furnace door is closed securely.

•  Wait 5 minutes for the system to respond.

• Check Function 1: System Type to make sure it is set to match your heating 

and cooling equipment (see page 18).

• Check Function 1: System Type to make sure it is set to match your heating 

and cooling equipment (see page 18).

•  Grasp and pull thermostat away from wallplate. Check to make sure bare 

wires are not touching each other.

•  Check thermostat wiring is correct.

Troubleshooting