SAIL SWITCH VOLTAGE CHECK
Hoping for help on troubleshooting a Furnace Sail Switch. Furnace was intermittently failing and now progressively worse. Blower would come on and after about 30 seconds would shut off - no audible at...
Forum Discussion
So the issue is that the OP can somehow see the sail switch blow over (I can't see that on my 8531) and that should mean it is closed to let voltage pass along to the next thing in line. The question is whether the switch is bad so it doesn't pass that voltage along.
During the 30 seconds before it shuts off, can't you simply put a voltmeter on the gas valve to see if it has power? If it does then that would prove the sail switch is working right?
During the 30 seconds before it shuts off, can't you simply put a voltmeter on the gas valve to see if it has power? If it does then that would prove the sail switch is working right?
