Gas Furnace Problems Repair and Service
When troubleshooting/diagnoseing gas furnace problem with a gas furnace, you can often easily eliminate the thermostat as a potential cause. By removing the power to the furnace and removing the R or red wire from the circuit board of the furnace, and then placing a jumper between the R terminal and the W terminal on the circuit board. By placing this jumper between the R and W terminals, you are effectively removing the thermostat from the system, and eliminating it is a possible cause.
If you place a jumper between the R and W terminals of the circuit board, reestablish power to the furnace and the furnace will ignite and cycle correctly. We know, then, that the problem is not internal to the furnace, but rather external to the furnace, possibly in the wiring between the furnace and the thermostat, or the thermostat itself.
Give us a call for any furnace problems that you may have we are open 24-7 for any emergency heating and furnace or boiler repairers.
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