Question about Whirlpool Duet GHW9150P Front Load Washer

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Get error 11

I start the washer it runs some water. After a few seconds then it comes up F 11. i looked at wires but it hasn't help. Its only 3 years old so i don't see the mcu or ccu being bad already. can u help give ideas on what 2 do

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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 Jan 10, 2009

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F/11 code means Motor Control Unit (MCU) Heat Sink Thermal Trip
If the thermal protector on the MCU heat sink gets too hot, it will open the thermal protector on the heat sink which will stop motor functions and an "F/10" will be displayed

This is what to check

  • Check for Proper Installation, verify the unit is not located near a source of heat and has proper ventilation.
  • Check Wire Harness connectors to the MCU, and Central Control Unit (CCU)
  • Check the Drive system for any worn or failed components
  • Check MCU
  • Check Motor

Good Luck and Pleaase Rate Fixya!

Posted on Jan 10, 2009

  • Jyackle5
    Jyackle5 Jan 10, 2009


    • Check Wire Harness connectors to the MCU, the motor, and Central Control Unit (CCU)
    • Check the Drive system for any worn or failed components
    • Check MCU
    • Check CCU
    • Check Motor
    • Check Wire Harness

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