BOSCH DRYER M WTMC3521UC/05no ignition
Posted 12 February 2013 - 11:27 AM
Posted 13 February 2013 - 07:13 AM
just replaced a sensor on this dryer and tested it ,checked ok flame on ,no problems. finished reassembly
What part of the reassembly were you at when the dryer tested good?
Posted 13 February 2013 - 10:51 AM
Posted 13 February 2013 - 11:17 AM
it also did ignite fully assembled,but did not ignite at all in its final position. the vent is about 15 ft long and is clean.
Does sound suspiciously like valve coils with what I call "thermal fatigue." That's where they'll work correctly the first time or few but then stop working when they heat up. It's a common phenomenon with dishwasher valve coils, too- FFTKAT.
The coils are inexpensive enough that its worth going ahead and replacing them.
- suampman likes this
Posted 12 March 2013 - 07:49 AM
ok customer got back from vacay,went out to replace gas coils and dryer fired right up-the first time. after that no go.after much muttering offensive cuss words i found that the ignitor that i had installed previously had a couple hairline cracks in it. when it was cool,no problem,worked just fine. once warmed by heater it would not work until it cooled off again.
- Samurai Appliance Repair Man likes this
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