Question about Whirlpool Gold Duet GHW9400P 3.8 Cu. Ft. Front-Loading Washer
I believe EVERY machine will have this F11 error eventually. Here is what fixed mine. Remove the top cover by removing the three 7mm screws on the back of the machine at the top. Slide the cover to the rear and lift off. The CCU board has 2 relays on it. They have white plastic covers. One is labeled K4 and I believe the other is K2. There are five legs on each relay soldering them to the circuit board. Remove the circuit board from the machine. It is the one you can see with the top off in the back of the machine. Unplug all the connectors. Unsolder the 2 relays...brand name Omron. With a jewelers screwdriver carefully remove the plastic cover on the K4 relay. Examine the contact points on the normally open contacts and I will guarantee they will look dull and burnt. They should be bright and shiny. You can burnish the contact points lightly and clean them with electrical contact cleaner. If you take off the cover of the 2nd relay you will see the contact points are nice and bright and shiny. Swap the 2 relays and resolder them on the circuit board. While you have the board out, take a pencil eraser and rub it on the contact points where all the connectors slide onto the board. Spray the electrical contact cleaner to wash any residue away. Carefully reinstall the circuit board and replace the top cover. Our machine has done dozens of loads since I did this with no more problems. I expect another failure at some point when the points deteriorate on the swapped relay. At that point I will try and find replacements for both relays. The K2 relay apparently has less voltage going thru the contacts and does not fail. If you feel real comfortable, you can check the "wiping" action of the points by manually operating the relay when you have it out. I adjusted mine to give a bit more wipe on both relays. I hope this helps...it worked for me!!
Posted on Nov 17, 2009
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Posted on Jan 02, 2017
SOURCE: Kenmore Elite H3 error code F11
F11 is a serial communication error. It is recomended to check connections from the motor control unit to the ccu. We are looking for the blue wires that carry info from component to component. The ccu is on top under the cover positioned in back for older machines and front right for new machines. The mcu, motor control unit is behind the kick panel below the door and is front left usually.Again we want to unplug check for dark or crusty connections if not to carefully reseat the connection and not only the blue serial wires but power as well. Remember to first unplug the machine and while you work the machine can reset, 30 minutes is typical.
Posted on Sep 13, 2008
SOURCE: What does F11 code mean?
F11 is a code that referes to communication error between the central control unit and the motor control unit. Disconnect power. Check wire harness connections to motor and control board. Check drive belt, visually inspect to see if belt is broke. Check drive motor, visually confirm motor operation. It is possible that if the belt broke it may have slung around in the cabinet and damaged or loosened the wire harness connection at the motor. Try unplugging wire harness at motor and then plug it back in securely. Hope this info has helped. Thanks, Tim.
Posted on Jul 13, 2009
SOURCE: F11 flashing error
Serial Communication Error
Communication between the Central Control Unit (CCU)
and the Motor Control Unit (MCU) cannot be sent
Possible Causes / Procedure
1. Unplug washer or disconnect power.
2. Check wire harness connections to the MCU, the
motor, and Central Control Unit (CCU).
3. Check the drive system for any worn or failed
4. Plug in washer or reconnect power.
5. Verify CCU operation by running a Diagnostic test or
6. Check the MCU by looking for operations of the drive
7. Check the drive motor for powered rotations.
8. Check that the serial harness at the MCU is not
mounted upside down. The wires should be to the left
when facing the MCU connectors.
Probably have to end up replacing the ccu.
Posted on Sep 14, 2009
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