Gas dryer won't heat. I'm considering replacing the valve coils. Checked thermal fuse, continuity of motor switch terminals and resistance of thermal cut-offs, temp selector, and ignitor, and all were within the specifications. I don't know what the normal resistance for the valve coils are supposed to be. Got 600 ohms between all terminals on the coils. Does the ignitor have to glow before the valve coils will pick? The ignitor doesn't glow (5 months old).
ANSWER Hello Steve,
The ignitor has to glow yellow or almost white hot before enough current is present to build a strong enough electromagnetic field to open the valves. If the ignitor is not glowing or is not glowing bright enough, make sure the thermostats and the flame sensor are showing continuity. If so, the ignitor is the most likely issue. If not, the open component is responsible.
Answered by AppliancePartsPros.com | Tuesday, June 10, 2014