Author Topic: Whirlpool Duet YGEW9200LQ0 won't start - not thermal fuse?  (Read 853 times)

Offline micg

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Whirlpool Duet YGEW9200LQ0 won't start - not thermal fuse?
« on: August 23, 2013, 08:25:33 PM »
Howdy appliance pros,

I have a Whirlpool Duet model YGEW9200LQ0 dryer that has stopped working.

The controls activate, there is a buzzing sound (the control timer?) but the washer won't start.

From researching the problem here, I figured it was a thermal fuse problem.


Tonight I removed the toe panel and blower cover and used my multimeter to test the continuity on the thermal fuse.
It was beeping for continuity, but i removed anyway to be sure, tested again and the fuse has continuity so it seems fine.

Again, to be sure, I taped the two blue leads together to see if the dryer would start, no luck.

I pulled the Service Technician Guide from the envelope in the dryer, and the very first test is to test the cord end N and L1 connections for continuity at the N and L1 positions on the Machine Control Electronics terminals at P1.

Both connections show continuity...which according to this Guide means bad electronics.

Does anyone have any experience with this?
Is there another test I can try?

I don't want to spend 3 bills on new electronics only to find out that wasn't the problem.

This continuity test seems odd to me, I'm not sure why having continuity at the board is bad, unless there is a relay shorted out or something.
I am wondering about the statement in the guide that says that all tests/checks should be done with a VOM or DVM having a sensitivity of 20,000 ohms per volt DC or greater.
Could this be an issue?

Thanks very much for any insight or suggestions.

Online afterblast

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Re: Whirlpool Duet YGEW9200LQ0 won't start - not thermal fuse?
« Reply #1 on: August 24, 2013, 12:40:40 AM »
The continuity check from the board to the plug was to rule out the possibility of the board not getting power...

You say there is a buzzing sound? Is it on powerup? Or when you try to start a cycle?  And if you take the top cover off can you determine which part is buzzing?





Offline Cananot

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Re: Whirlpool Duet YGEW9200LQ0 won't start - not thermal fuse?
« Reply #2 on: September 24, 2013, 08:50:07 AM »
Ok first does it stay on that buzzing sond when you press start ?and is the drum hard to move cause buzzing noise in a dryer is either a motor in a bind or the belt came off and is wrapped around the motor shaft

Offline micg

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Re: Whirlpool Duet YGEW9200LQ0 won't start - not thermal fuse?
« Reply #3 on: October 21, 2013, 08:22:46 PM »
Hi guys,

Sorry for the long gap between follow up, I've been away and haven't had a chance to play with this again until tonight.

The humming/buzzing sound was happening when I tried to start a cycle.

Tonight I tried it again (first time since I posted) and while it hummed/buzzed tried to isolate the source of the sound.
It seemed to be from the rear of the dryer (the drum motor?).

While I was listening for the sound, I started to smell a burning smell so I unplugged the cord. (I noticed that 1 minute had run off the cycle time while it was humming).

Removed the rear cover and tried to find the problem area.
There was quite a bit of lint around the large coil under the drum (drum motor I assume) but I couldn't tell for sure if that's where the smell was from.

Tried plugging it back in with the back mostly off (1 screw holding it on) and tried to restart a cycle and immediately got some beeps and a PF error code.

Unplugged, plugged it back in, tried to start a cycle again, beeped at me, no PF code this time but the cycle wouldn't start, the 40 (cycle time) just flashed.

Any ideas? Am I dealing with a dead motor?
« Last Edit: October 21, 2013, 08:39:56 PM by micg »

 

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