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Maytag Performa D/W - motor quit?


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3 replies to this topic

#1 czubryt

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Posted 07 September 2005 - 08:35 AM

Hello all,

I have a Performa model PDB4600AWX, only 2.5 years old(!), and the motor seems to have quit. If I start a cycle, the D/W fills with water and heats fine, but then - nothing. I can hear the relay click to go into the regular wash cycle, but the motor doesn't start. After a couple of minutes, the "Clean" and "Rinse" LEDs start to flash, which Maytag calls a "Motor hot connection" trouble indicator. Maytag says that it could be a motor failure, or it could be the connections to the motor. Any suggestions on how I could test this for myself? I have a meter, but am a novice with it. If the motor is dead, I'll likely replace the whole D/W (it seems the motors are pretty unreliable on these units), since the motor and pump must be replaced as a unit (about $280 CDN where I live).

Any advice (on testing, whether to replace the D/W or attempt repair, etc) is greatly appreciated.

Thanks,
Mike


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#2 Kiwi-nadian

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Posted 07 September 2005 - 10:06 AM

Here is a link to help with testing. Sorry I cant help with the disassembly side

http://fixitnow.com/...on-making.htm:(
please help us to help you, http://www.fixitnow.com/beerfund.htm

#3 Samurai Appliance Repair Man

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Posted 07 September 2005 - 07:06 PM

Just remove the kickplate from the front bottom of the dishwasher by removing the obvious screws. The motor is right there. Easiest way to test is using a voltage sensing light stick.

#4 czubryt

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Posted 15 September 2005 - 11:54 AM

Thank you both for your suggestions.

I took off the toeplate. The motor has a large connector running to it with four wires (in order from the left): blue, gray, yellow and red. There are two sets of windings, one above the magnet and one below. I can provide a picture if needed. Perhaps there are two pairs of leads to run the motor in either direction? I don't know which leads go with which (I don't have a schematic), but I tried to test for resistance across all pairs of leads. Here is what I got (all readings are in ohms) (power disconnected):

Blue - Gray: 7.0
Blue - Red: 7.0
Blue - Yellow: 2.8
Gray - Red: 13.8
Gray - Yellow: 9.5
Red - Yellow: 9.5

I have no idea if these values are what I should expect - any insight would be appreciated. I am heartened by the fact that I don't get any "wide open" connections - hopefully the motor isn't blown. FYI, the motor is 6.5 amps at 120 volts. My next step will be to try to remove the control panel, although I'm not sure how to test it. Perhaps the controller is screwed up. Again, any suggestions would be much appreciated.

Thanks very much,
Mike





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