Author Topic: Maytag MAH4000AWW Inconsistent Spin Cycle  (Read 6140 times)

Offline Repair-man

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Re: Maytag MAH4000AWW Inconsistent Spin Cycle
« Reply #10 on: May 15, 2010, 03:56:15 PM »
These are not WP controls, per se. The motor/control set was originally made in China, although I am not sure who the vendor is on the latest kits. There is no consistent failure of these boards...sometimes only the fuse is blown, other times I find the triac blown to bits and several other failures. Maytag used to attribute the failure to a "communication problem" in the wiring harness from the motor to the control, but that was never proven. I do know that whateverr changes they made in the original motor & board, it pretty much solved the problem of board failure. I have never had a call back to one which had this upgrade kit installed.
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Offline waywild

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Re: Maytag MAH4000AWW Inconsistent Spin Cycle
« Reply #11 on: May 16, 2010, 08:12:51 PM »
Thank you all for your help.  I did replace the belt when I replaced the two bearings.

It appears that the vertical spin switch on the door lock is the issue. I reset the spring to no avail and then crossed the switch and now I have spinning but I have no "beeping noise" when the load is finished and the "on" light does not automatically go off - I am attributing this to bypassing the spin switch. The only issue I have is that I am unable to determine if the spin switch is bad or if a piece of the door wax motor is not pushing in the black button on the spin switch.

Offline john63

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Re: Maytag MAH4000AWW Inconsistent Spin Cycle
« Reply #12 on: May 16, 2010, 10:08:30 PM »
Thank you all for your help.  I did replace the belt when I replaced the two bearings.

It appears that the vertical spin switch on the door lock is the issue. I reset the spring to no avail and then crossed the switch and now I have spinning but I have no "beeping noise" when the load is finished and the "on" light does not automatically go off - I am attributing this to bypassing the spin switch. The only issue I have is that I am unable to determine if the spin switch is bad or if a piece of the door wax motor is not pushing in the black button on the spin switch.

It is more common for the SPRING tension to be at fault.

The best method of confirming that the WAX MOTOR PISTON is fully extended & that the SPIN SWITCH button is fully depressed...
...is to observe it.

I prop the top cover with a small section of 2X4 and wait for the wax motor to fully extend--if needed--keep expanding the spring tension until the piston reaches the switch.
The spring is a bit of chore getting back into the slot.
Temporarily---placing a quarter (coin) between the spin switch & the piston will allow the washer to enable high speed spin.
 

Offline Mr. Fix-It

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Re: Maytag MAH4000AWW Inconsistent Spin Cycle
« Reply #13 on: May 17, 2010, 07:40:07 AM »
Sounds like the dreaded R-11 resistor to me check the circuit board for a burned out resistor (on the left side above the blue capacitor)

Offline Repair-man

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Re: Maytag MAH4000AWW Inconsistent Spin Cycle
« Reply #14 on: May 17, 2010, 07:52:10 AM »
Actually, this all reverts back to the motor control. When the cycle ends, the "beep" is actuated after the motor control sees absolutly no action from the motor. So, when the motor comes to a stop at the very end of the spin, two things happen:

1. The machine will tumble slowly  in opposite directions to loosen the load from the sides of the basket.
2. Once this 3-part tumble is complete, the control will end the cycle by issuing 5 beeps.

Methinks your motor control (or maybe the latch) is not sending the  proper signals back up to the machine control. Dang those pesky Chinese electrical circuits :)


If you have any doubts whether the lock spring is actually actuating the switches and releaseing them, you can always observe their activity by removing the front panel, raiaing the main top, then put the door back on for a tes run. You willl be able to see the wax motor slowly retract at the end of the cycle. Once the door lock light is out, the beeps will occur.
« Last Edit: May 17, 2010, 07:55:36 AM by Repair-man »
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