Question about Washing Machines
I have read many posts for this problem and I have my own solution. I interface computers to real world aplications and when I saw the control board for this washer I was appalled at what I saw. The tiny relays on that control board are rated for 10 or 16 amps. These are fine if you are only driving small devices but they cannot take the startup currents and back EMF of solenoids and motors. I have tried filing the contacts and resoldering edge connectors all to fail to solve the problem. So, I replaced 2 relays involved in the most critical operations. One was the small relay (K4) that activates the door lock/unlock solenoids. BUT instead of simply replacing the relay, I rewired the harness and added an industrial relay to do the heavy work of actuating the solenoids. I also replaced the main relay (K6). This relay is what the entire machine uses for all motors, solenoids and other relays depend on to operate. Here again, I diverted where the power goes to. The power that normally passes through K6 is now just used to operate an industrial rated relay.
I used original relays for the control board due to the fact that the electronics on that board were intended to only operate tiny relays. I simply diverted the power to drive larger relays. This was no easy task and it is not to be performed by anyone other than an expert in this field. I have a number of photographs and I am willing to share them with anyone who wishes to see what I did.
I would bet that very few of these control boards have actuall gone bad. Only the relay contacts have been slightly scorched to the point of intermittent reliability.
Posted on Apr 03, 2009
"F11" is a Serial Communications error between the Central Control Unit (CCU) and the Motor Control Unit (MCU), or the interconnecting wiring. If you remove the bottom panel under the door, there should be a tech sheet inside that explains all the error codes and how to troubleshoot them. The sheet will be located directly behind the panel, or mounted to one of the interior cabinet walls. It is recommended that you leave it inside the washer, so it does not get lost. If you cannot find the tech sheet, post back and I can give you guidance.
More commonly, the CCU has failed. A replacement can be found at repairclinic.com. Just type in your model number in the Search Menu. Searspartsdirect.com also carries it, but at a higher price. I mention the second website, because they have information drawings to aid in troubleshooting. I hope you find this information helpful.
Post back if you need further assistance.
Posted on May 11, 2008
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