12 replies to this topic

[rolandvz71]

Ok I know it sounds like a simple fix but this thing is eating my lunch!

Motor will not start....I have checked and the following and all have ohmed out good....

1. Non rest OL for the motor (thermal cutoff)
2. Operating thermostat
3. Hi limit Themro
4. Heater
5. Door switch
6. Ohmed motor windings (I even hard wired to start so I know it runs)
7. Timer motor runs I can see it rotating
8. Will not start in any cycle

Attached Files

•  Maytag MED5700TQ0 Electric dryer.pdf   481.93K   12 downloads

Edited by rolandvz71, 19 November 2012 - 07:42 PM.

[sh2sh2]

thermal fuse? (or is that what you are refering to as motor cut off), little white thing

[RegUS_PatOff]

... Motor will not start....

Does it try to start ?
Does it make any noise ?

[rolandvz71]

thermal fuse? (or is that what you are refering to as motor cut off), little white thing

Yes "little white thing"

Does it try to start ?
Does it make any noise ?

No start at all.....dead--no movement
No noise, when I the press start button while holding door switch I do hear the start engage

Edited by rolandvz71, 19 November 2012 - 11:49 PM.

[rolandvz71]

For some reason I keep coming back to the selector switch......I think I am ohming it out right......when I do ---I am not getting the readings like the drawing has stated.

[kdog]

thermal fuse?

This one located in the back on the blower housing ? (2 blue wires)

 

http://www.repaircli...mber=MED5700TQ0

 

[rolandvz71]

This one located in the back on the blower housing ? (2 blue wires)

 

http://www.repaircli...mber=MED5700TQ0

 

Yes I checked that and it good....even bypassed it to see if my meter was not reading correctly ----that did not work and NO-GO

[kdog]

See if BK-BU closes on timer, also push to start switch - Or/Wh to BU should close when button pressed
T-W on timer must close as well.

Seems to me that T-W contact has fooled me before

 

http://www.repaircli...mber=MED5700TQ0

 

[rolandvz71]

Kdog this is what I came up with....

All checked out good EXCEPT T-W contact not closing on demand

You are da man!!!

Thx for all the help!

[rolandvz71]

OK gotta a question......why is the "T-W contact" there? What is its purpose?
When I bypassed it to eliminate the timer it seems to work in all cycles.......just would like to know why would they install a redundant switch inline w/the motor?

Edited by rolandvz71, 23 November 2012 - 01:00 PM.

[kdog]

So they would have a market for all those cases of timers stored in the spare parts area.

Likely for added safety thereby breaking both sides of the line when in the off position.

[rolandvz71]

Ok, sounds about right, but when the timer times out the motor stops and when I opened the door the motor stopped..........So I am going with
sell more timers in the spare parts bin.

[kdog]

When the timer cam has advanced to the off increment, both the neutral and the hot are disconnected at the timer - if only 1 side is, components can then remain live when a short/ground etc occurs