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Washer will not work after new central control unit was installed

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Apparently it either wasn't installed properly or it's not the right one or it's as faulty as the one it replaced.

If you paid for that service demand it's corrected.

Posted on Jul 27, 2009

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I bought in June 2010 a Whirlpool Duet washer Model WFW9400SU00 Serial CSU2113432. Could not install it till April of this year and finally started using it in June for 6-7 washings, then the error F70...


F70 is "Central control unit heart beat failure" No communication is detected from the Central Control Unit to the User Interface. (In english, this means that the controler unit mounted in the bottom of the machine, probably in a plastic cover, has stopped talking to the control panel on the front of the machine where you push the buttons).

You need to take the top off the machine and check that the wiring harness between the 2 units is intact and that the plugs on the ends of the harness are firmly in place on both the Central Control Unit and the User Interface. If this fails to fix the problem, then the action indicated is that if the drum is rotating while this error is showing, the user interface is faulty and requires replacement. If the drum is NOT rotating while displaying this error, then the Central Control Unit should be replaced.

Jul 28, 2011 | Whirlpool Washing Machines

1 Answer

Im gettina an f70 f71 code on my machine what does it means?


F70=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=USER 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.

Repair Sequence:
1. Check for continuity of the User Interface harness.
2. Check 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

user interface is about $195 New;CCU is about $200. Hope this helps!

May 21, 2011 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

Flases f 21 code worked fine untill i put new front board in and i cleaned out lines and hose still giving f 21


I looked at your tech sheet. As you already know the F-21 on your machine has to do with touchpad not communicating with control. F21 F 22 CCU /touchpad/LED assembly unable to transmit/receive data to/from the CCU central control unit
Possible causes/procedure:
1. Check the touch-pad/LED assembly by selecting different
cycles and changing the modifiers and options available to
confirm the touch-pad/LED is responding.
2. Unplug washer or disconnect power.
3. Check wire harness connections to the
touch-pad/LED assembly and Central Control Unit (CCU).
If you have a new touchpad installed and the harness is fine then the control must be bad.

Apr 01, 2011 | Maytag EPIC MFW9600S

1 Answer

Washer will not turn on flasheing F71


F71 error code USER 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. 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. 3. Replace User Interface if drum is rotating. 4. Replace Central Control Unit if drum is not moving.

Nov 28, 2010 | Kenmore Elite 45986 Front Load Washer

1 Answer

Error code f70


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.

Oct 04, 2010 | Whirlpool Duet WFW9550 Washer

1 Answer

I HAVE A WHIRLPOOL DUET WASHER WITH A ERROR F 70


Hi


Thanks for using FixYa. Error F70 is 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. To resolve this issue you’ll have to:

1. Check for continuity of the User Interface harness.
2. Check 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



Please do rate the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

Sep 07, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

Getting code F70 on washer...what does this mean? It wont start wash cycle at all. Help!


Hi,

F70 error code indicates 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.
1. Check for continuity of the User Interface harness.

2. Check 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


Thank you !!

Aug 07, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

Had this washer for less than 2 years. Several


Hi, Both F70 and F71 error indicates the failure of central control unit heartbeat failure.If this error is displayed then there will be no communication from central control unit to the user interface. Check the following to fix this problem
Check the continuity of user interface harness
check wire harness connections to the user interface and central control unit
replace user interface if the drum is rotating
replace central control unit if drum is not moving

Apr 08, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

F 11 error code on whirlpool duet washer.


Serial Communication Error
Communication between the Central Control Unit (CCU) and the Motor Control Unit (MCU) cannot be sent correctly.
  • 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
this is for error code f 11

thanks.

May 02, 2009 | Whirlpool GHW9400 Front Load Washer

2 Answers

Kenmore elite he3t


maybe a false code if so may mean new control bd ..tech sheet is behind bottom panel with all fault codes if not on there code is a glitch in control

Sep 22, 2008 | Kenmore Elite 45986 Front Load Washer

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