Question about Kenmore 3.8 cu. ft. HE3t Front Load Washer
Kenmore Model 110.47512600 or Whirpool Equivalent on tech sheet of GHW7100RW0.
Was experiencing wet clothes at end of cycle. Removed foreign objects from water pump. Got the f28 error code because I tried running it with the front and rear panel off and the grounding switches weren't being depressed.
After reinstalling the panels and trying it, I would still get no spin operation but the unit was draining. I would also occasionally get the F1 error code.I ran the diagnostics and the unit would spin and drain fine during the test while empty. Unit continued to give an occasional F1 error. Checked wiring connections on CCU, Motor Speed Control, and keypanel. I also checked the pressure switch contacts and hose, and all checked good. I decided to replace the main CCU.
Now after replacing the control, I have determined that a light load of towels or sheets will spin fine, but 3 pairs of jeans (slightly heavier load) never seems to get to the high speed spin, and the clothes end the cycle wet. Not getting any more error codes after the control has been replaced, and don't see any out of balance switch on the wiring diagram, so not sure what is happening with the heavier loads. The unit is level and solid on the floor, with all counterweights in tact. I am wondering if the rpm of the motor is not able to get to speed due to the load, although it is in no way overloaded. Unit drains fine, into a standpipe 40" off the floor, and isn't airtight. One other thing to mention is that I have a slow drain system, with a floor drain right next to the washer. When the unit drains I will occasionally see the water backflowing out the floor drain a bit, but never out of the top of the standpipe, so I don't really suspect back pressure or backfill as the problem
I would like to hear if there has been a permanent fix to this problem, i too am having this exact same issue. i changed the drain pump, and the ccu board and still wet clothes at the end of cycle?
Posted on Oct 23, 2010
Are you using he soap?
Posted on Oct 31, 2008
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Posted on Jan 02, 2017
SOURCE: Error F28
F28 is a serial bus error from the CCU (Central Control Unit) to the MCU (Motor Control Unit).
All you need is some Electronics contact cleaner spray and a 1/4 inch socket to remove the top of the machine and the back of the machine.
The CCU is the computer looking box at the top front right hand corner.
Find connector M13, (has red marking on it and only 3 wires) disconnect it by pushing the retainer tab back and pulling gently on the connector.
Spray the contacts of the connector and computer with connector cleaner.
Then re-assemble connector.
The MCU is in the back lower left corner.
Find the connector with 3 wires and red mark, and remove this connector in the same way you did the other, spray it and re-install.
Put the back and top back on.
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Posted on Sep 11, 2010
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