Question about Whirlpool Duet WFW9550 Washer

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Error code f70 - Whirlpool Duet WFW9550 Washer

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Hi,

F70 Error code means Central Control Unit Heartbeat Failure. If a Central Control Unit Heartbeat Failure is displayed, no communication is detected from the Central Control Unit to the User Interface.

F71 error code meansUser Interface Heartbeat Failure. If a Central Control Unit Heartbeat Failure is displayed, no communication is detected from the User Interface to the Central Control Unit.

In both the above situations the following things are required to be checked and replaced where required:

1. Continuity of the User Interface harness.
2. Wire harness connections to the User Interface and the Central Control Unit.
3. Replace User Interface if drum is rotating.
4. Replace Central Control Unit if drum is not moving.

Posted on Oct 04, 2010

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tbirdfan1
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SOURCE: F70 Error Code after initial wash. Unplugged

Hello there
Here is your Answer

Error code 70 means a Central Control Unit Heartbeat Failure. There is no
communication detected from the Central Control Unit to the
User Interface (the part that you touch in the middle to set cycles).

Possible Causes/Procedure
1. Check for continuity of the User Interface harness.
2. Check wire harness connections to the User Interface and
the Central Control Unit.

If these connections are ok then

3. Replace User Interface if drum is rotating. Part number is W10164402
4. Replace Central Control Unit if drum is not moving. part number is 8183259

Hope this has been very helpful
best regards michael

Posted on Dec 26, 2009

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