Every year I have to clean the flame sensor for my Gas furnace and all is well, unfortunately this season the ignitor isn't even glowing.
I figure It may be cracked , and want to take a multimeter to it to confirm, but am not sure exactly "where" to test. Would I just put it on the positive and negative cables coming from the main board?
No DIY coaching allowed on this site. Call a pro out to check the equipment, there are a few things that have to happen before it will allow the igniter to light up.
No problem, we've just gotta follow the rules. Since you've had to clean the sensor every year you may have an underlying combustion problem. It'd be a good idea to have a tech out to take a looksie. Better safe than sorry. Good luck
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