How can I be sure that the motor is bad? I've done the resistance measurements and they are a little low, (2 ohms rather than 2.3-3.6), but I expected them to be high if the motor had failed. I measured the resistance from P1-3 to P1-4 at 2.1 ohms, which makes sense to me given the wiring diagram. However, the tech sheet states that if the resistance is in the range of 1 to 6 ohms, "replace the machine control electronics." Should I replace the motor or the control board? If I have to replace both I'll just buy a new dryer!
Answer Hello Jim,
In light of the statement, " if the resistance is in the range of 1 to 6 ohms, replace the machine control", I would replace the electronic control 280087. The tech. sheet will be right 98% of the time.
We have a Kenmore gas dryer and have just changed the thermal fuse but are still having problems. When we try to put the dryer on it hums and doesn't turn if we move the drum it turns on and after a little while it will go off. Could it be the motor if not any suggestions as to what it could be?
Answer Hello Judee,
You have a bad winding in the motor 279787. This will cause it not to start and it will make it run hot if you help it. The overload on the side of the motor will kick off and turn the motor off when enough temperature is accumulated.
It would be a good idea to check for exhaust duct restrictions as excessive heat being held in the unit will cause premature electronic component failure. This would explain the thermal fuse failure and the motor failure. If the issue is not addressed, you will continue having dryer problems........even if you get a different dryer!
Can I buy just the motor switch for the dryer motor?
Answer Hello Carol. No, you will need to order the motor assembly 279787 to replace the switch. Hope this helps.
Unit Started to smell burnt and very hot to touch and noticed the timer did not activate shut off after auto.set for 35 Mins., setting indicator showed operation of 55 Mins. and also showed wet on sensing program, laundry was dry-hot. Dryer worked fine the next day for one cycle only, now everything lights up although nothing happens on start.
Answer Hi John. Your unit can overheat under 2- conditions normally. Look at the back of the dryer's vent without pulling it out(in the natural position). If the vent is kinked and plastic you are backing up heat and moisture into the cabinet area. Look at the whole length and clean your outside vent/hood to operate properly. You really need the cycling thermostat part # or the thermistor part # 8577274 that operates the on /off temperature swings. It will stick and get out of range overheating the cabinet and prematurely wearing out parts. use the supplied tech. sheet to activate the diagnostic mode. This will find any fault codes and then you will be able to tell which circuit has the issue. The motor is part # 279787. Thank You.
What is the motor made out of?
Answer Hello Chad. The motor 279787 is made of aluminum and copper. There is also some steel and plastic used in the production. Hope this helps.