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Whirlpool Duet Dryer model #WED9200SQ1 panel lights flashing and then displayed F70.

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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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SOURCE: My whirlpool Duet Washer is

We've owned a Whirlpool Duet Washer (WFW9200SQ00) for about 3 years. We started getting the F70 error code intermittently about 6 months ago and it seems to progressively be getting worse. Unplugging the unit for a few minutes resets the error, but it comes back about every 2nd or 3rd load causing my wife a lot of frustration and with 4 kids, our laundry was backing up. After reading several Forum's, I found the F70 error code indicates a "heartbeat" communication error between the various electronic boards inside the washer and the consensus seems to be the most likely culprit is the Motor Control Unit (MCU) board. Before spending nearly $250 for a replacement board (http://www.helpfulparts.com/servlet/the-5733/8183196/Detail) with no guarantee that it would fix the problem, I decided to take the board out of the machine and inspect it. What I found is the connector for the communication (the connector with three blue wires) on this board is a very unreliable connector that uses the edge of the printed circuit board on one side of the connection instead of a real connector soldered to the board. In addition, the fit of this connector seems to loose to make a good connection. I noticed a little bit of corrosion on the board contacts which I cleaned with rubbing alcohol and a pencil eraser. After re-installing the cleaned board we've done several loads with (keeping my fingers crossed) no errors. I am still concerned about the reliability of this connection. Because of it's location, this board is subject to a fair amount of vibration and because of the loose fit I'm concerned that this issue will only come back over time. I've already decided that if the error comes back I will solder wires to the contacts on the board to provide a more robust connection. It's a shame that you can spend well over $1,000 on a top of the line washer, and in order to save $.10 Whirlpool decided to use a very poor connector in a critical area. It makes you wonder where else did they skimp to save a few pennies?!! Our next washer will not be a Whirlpool, and next time will not get a high end washer with all the bells and whistles.

Posted on Jan 03, 2010

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1 Answer

How can I get my dryer running?


You need a new machine control board

Oct 02, 2016 | Whirlpool Dryers

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On Whirlpool duet steam front loading DRYER...What does the error code F70 mean?Do you have to have a certified whirlpool appliance service professional to repair?


F70 code says...
Replace the machine control electronics. You should first unplug the machine and then remove and plug back in all connectors on the front panel model as well as the electronic control module.

If that doesn't take care of the problem then it may be time to consider replacing the rear board. The FSP # 8183259

The control board is part # 14 in the link below.
Sears parts direct /Whirlpool-Parts/Model-WFW9400VE01

Mar 13, 2015 | Whirlpool Washing Machines

1 Answer

F70 was displayed on Whirlpool duet dryer what does F 70 mean


Isnt F70, really is F07... this means Motor Control Unit Error
Description: The Central Control Unit has detected a short in the motor control unit. If a failure occurs during high-speed spin, the door will be unlocked after 3 minutes.

Check or Repais:
- Check wire harness connections between the Drive Motor and the Motor Control Unit (MCU), and between the MCU and the Central Control Unit (CCU)
- Check the MCU
- Check the Drive Motor
- Check the Wire Harness

Hope helps.

Aug 22, 2011 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

My dryer panel is blinking F70 and smells of gas


F70 code is warning you that the exhaust vent airflow is insufficient.
  • Check the exhaust hose in the rear of the machine and make sure it it not crushed or kinked. The vent pipe should be rigid metal not flexible foil or flexible plastic.

  • If using dryer sheets, rinse the lint filter with hot water to remove filmy residue that can restrict airflow through the filter

  • Inspect the outside vent hood for any blockages.

  • The exhaust system may need cleaning. Cleaning kits are available at most home improvement centers.

May 06, 2010 | Whirlpool Duet 7.0 Cu. Ft. Super Capacity...

1 Answer

When using dryer it stops and f70 shows up as problem id not listed in manual dori@dkcompanyinc.com


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.
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
I have reseated the cable between the CCU and the User Interface panel (panel has the buttons & lights on it)

Mar 12, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

Whirlpool duet gas dryer


Call your warranty service,thats what its for.

May 21, 2008 | Whirlpool Dryers

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