Question about Whirlpool Duet GHW9150P Front Load Washer
HI. This is a Serial communication error(F-11)
Communication between the Central Control Unit (CCU) and the Motor Control Unit (MCU) cannot be sent correctly.
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 components.
4. Plug in washer or reconnect power.
5. Verify CCU operation by running a Diagnostic test or any cycle.
6. Check the MCU by looking for operations of the drive motor.
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.
Replace failed component, which will most likely be the MCU if the CCU is functional, and the wiring harness is connected correctly. Check the wiring harness connections and contacts for corrosion and water damage at the motor and MCU as well.
Posted on Oct 01, 2009
The F11 error code is a serial communication failure between the 2 control boards. This includes both boards & the wiring harness as potential defective components. However, this is usually the main machine control board that needs replaced.
This is a very common problem and it usually occours when it is around 3 years old. The control boards were manufactured with a defective technique that allows the solder to crack and oxidize, some people have been able to resolder these themselves and fix the problem.
This problem may be able to be fixed if you know a lot about electronics, a good link for more info is http://www.flickr.com/photos/mysteryonionpatch/471156850/
Posted on Oct 01, 2009
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Posted on Jan 02, 2017
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