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I have had a technician in and he said he’s tested everything he could test. All checked out okay. He suggested changing the gas coils which he did, still no heat. Any suggestions about where to go with this?
Thermal Fuse The thermal fuse is a safety device designed to protect the dryer from overheating. The fuse is located on the blower housing or at the dryer’s heat source such as the heating element on electric dryers or at the burner on gas models. The fuse should be closed for continuity meaning it has a continuous electrical path through it when good. If overheated the fuse will have no continuity meaning the electrical path is broken and the fuse has blown out. A multimeter can be used to test it for continuity. Be aware that a blown thermal fuse is an indication of a restricted exhaust vent from the dryer to the outside. Always check the dryer venting when replacing a blown thermal fuse.
Where did you find this tech? The gas coil part costs around $8.00 Cause 1 Thermal Fuse The thermal fuse is a safety device designed to protect the dryer from overheating. The fuse is located on the blower housing or at the dryer’s heat source such as the heating element on electric dryers or at the burner on gas models. The fuse should be closed for continuity meaning it has a continuous electrical path through it when good. If overheated the fuse will have no continuity meaning the electrical path is broken and the fuse has blown out. A multimeter can be used to test it for continuity. Be aware that a blown thermal fuse is an indication of a restricted exhaust vent from the dryer to the outside. Always check the dryer venting when replacing a blown thermal fuse. Parts Cause 2 Gas Valve Solenoid Gas dryers have two or more gas valve solenoid coils. The gas valve solenoids open the gas valve ports to allow gas to flow into the burner assembly. If a gas valve solenoid fails, the dryer won’t heat. To determine if one or more of the gas valve solenoids has failed, check the igniter. If the igniter glows and goes out but does not ignite the gas, the gas valve solenoid is defective. If one or more of the gas valve coils are defective, we recommend that you replace them as a set. Parts Cause 3 Igniter The igniter uses heat to ignite the gas in the burner assembly. If the igniter is not working, the gas will not ignite, preventing the dryer from heating. To determine if the igniter has burned out, use a multimeter to test the igniter for continuity. If the igniter does not have continuity, replace it.
thermostat if it has one or the heating element
The tech sheet that came with that dryer, ( a large foldout of nine pages on one sheet, front and back) indicated a technician’s diagnostic process, (turning power on to the unit, and then choose a control button, other than stop, {and presumably, Start}, press and hold five seconds, release and wait five seconds, (doing this process three times) would cause the machine to enter “diagnostic mode”… my machine would NOT ENTER THAT MODE. The evaluation stated that failure to slip into diagnostic mode indicated a definite fault. From that point I was directed to ohm out the aforementioned devices with the conclusion that if alll checked good, replacement of the control access panel (touch panel used to choose settings) was required. Further instructions stated that if that still did not correct the problem, replacement of the power control module would be necessary.
