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With the gas valve disconnected the ingitor will glow, then stop, then glow again. The gas valve does seem to make a buzzing noise before blowing the fuse. So the gas valve is bad? Any chance the...

'Working on a 10-yr old Goodman GMP050-3. A/C is okay, but no heat. Circuit board and ignitor were just replaced and the flame sensor has been cleaned.

The unit comes on, status light solid,...