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newer whirlpool duet steam e70 e71 ccu? wfw9500tw02


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9 replies to this topic

#1 sunfunseeker

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Posted 06 August 2013 - 07:09 AM

ran into this duet steam 



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#2 RegUS_PatOff

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Posted 06 August 2013 - 07:34 AM

... e70 e71

F70, F71 ?

from the tech sheets:

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.
 


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#3 sunfunseeker

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Posted 06 August 2013 - 07:43 AM

ok   well when it works   drum does rotate      so   well try user interface first    thanks!



#4 sunfunseeker

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Posted 06 August 2013 - 08:16 AM

you know before i risk    300 dol....     im going to check out ccu relays  and edge connectors/pcb solder...it may be like the older he3 kenmore ccu



#5 sh2sh2

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Posted 06 August 2013 - 03:59 PM

could also be a motor control problem, does the unit ever not turn on at all, just giving you 3 beeps when u press power



#6 sunfunseeker

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Posted 06 August 2013 - 07:07 PM

dont know about 3 beeps but sometimes it will not power on like u said     requiring un plugging and plugging back in ac   then it will respond,this i seen myself  it was just dead,does this mean mcu?      



#7 Samurai Appliance Repair Man

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Posted 06 August 2013 - 08:29 PM

could also be a motor control problem, does the unit ever not turn on at all, just giving you 3 beeps when u press power

 

MCU:  http://www.repaircli...ber=WFW9500TW02

 

Motor-Control-Board-8183196-01584699.jpg

 

 

Bad MCU's are usually visibly bad.  Open it up, remove board and will often see a burnt spot.  

 

Will usually smell bad, too-- like burnt electronics.  



#8 nickfixit

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Posted 06 August 2013 - 09:36 PM

It's common for a bad MCU to give the codes you describe. I've had 3 in the last month just like this. I see a lot of MCU's that don't show any external signs of being bad, and a lot that are cooked.
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#9 sunfunseeker

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Posted 07 August 2013 - 06:43 AM

ok ill check the mcu              dont understand why error code chart makes no mention of this and instead suggest its the ccu heartbeat problem and ccu should be replaced



#10 JJ Surfer

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Posted 07 August 2013 - 11:37 AM

I don't understand it either and I don't think the engineers at Whirlpool do as well. I concur with Nick, this is a common symptom of a bad mcu. Error codes can be misleading.




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