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HomeRepair HelpGibson Furnace RepairGibson Furnace wall thermostat not working properly Repair
Gibson Furnace wall thermostat not working properly
01 - Gibson Furnace Wifi Thermostat
The WiFi thermostat is responsible for controlling components and regulating the home's temperature. The thermostat is usually powered with 24 volts from a control board on a separate unit like a furnace or air handler. The thermostat also has terminals to receive and distribute low voltage 24 volt power to run different HVAC products such as a furnace, air conditioner, or heat pump. If the WiFi thermostat is receiving power but the display is dead or it will not send power out in the appropriate modes, the WiFi thermostat will need to be replaced.
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Highly Likely
02 - Gibson Furnace Wall Thermostat
The wall thermostat is responsible for controlling components and regulating the home's temperature. The thermostat can be powered with 24 volts from a control board on a separate unit like a furnace or air handler, or from batteries in the thermostat itself. The thermostat also has terminals to receive and distribute low voltage 24 volt power to run different HVAC products such as a furnace, air conditioner, or heat pump. If the wall thermostat is receiving power but the display is dead or it will not send power out in the appropriate modes, the wall thermostat will need to be replaced.
Highly Likely
03 - Wall Thermostat Batteries
Most wall thermostats are either powered by an enclosed battery or by the furnace or air handler control board. If the thermostat display is dead, you can remove the thermostat cover and look for replaceable batteries. Replace the batteries if needed and check operation.
Common
04 - Incoming Power Problem
Check to see if there is power to the furnace or air handler. One or more indicator lights on the control board should be illuminated. If there is no power to the furnace or air handler, check to see if a circuit breaker has tripped or a fuse has blown. Confirm the power switch on the side of the unit is turned on.
Less Common
05 - Bad Wall Thermostat Wiring
In order to send signals from and to the indoor and/or outdoor units, the wall thermostat uses a group of wires usually called thermostat wiring. If the thermostat wiring gets damaged, certain functions of the system or the thermostat itself may not function properly. The thermostat wiring can be checked for power or continuity with a multimeter. The wiring is usually industry standard colors: Red/White/Yellow/Green for a four-wire system.
Less Common
06 - Gibson Furnace Control Board
The control board regulates the power supply to all of the components in the system. If the control board fails, it might not send voltage to the thermostat, leaving the thermostat inoperable.
Uncommon But Possible
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