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I'm getting an F70 error code. Unplugged the washer once, which allowed 1 load of laundry to be completed. Then the effor code came back - which does not allow any thing else to happen. My book does not have an F70 error code. What is F70? Thanks.

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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

Posted on Aug 28, 2010

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Posted on Jan 02, 2017

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1 Answer

F70 error code


F 70 error code indicates a communication problem between the component electronics and the control electronics. You will need an appliance tech to come to your home to service it.

May 28, 2012 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

I am getting in f70 error and i unplugged it and plugged it back still got the same problem what does it mean? how much it costs? Please answer asap as i need to do my laundry. Lama hammoud


Hi Lama.

F70 is communication error between the main logic module and the control pad (user interface and CCU). The error usually points at a major problem.

Directions are the same as the ones illustrated in this tip.

If the error code does not reset better getting a technician on site to test the appliance and replace the correct part. Parts in control assembly are quite expensive.

Regards.

Ginko

Aug 29, 2011 | Kenmore Front Load Washer

1 Answer

Kenmore washer HE3T mod # 110.49972602. Unit had F70 error code. Unplugged and replugged. Now, no display on panels, power button beeps 3 times but nothing else.


Hi

F70 is a communication error between the central control unit and the user interface. First check the continuity of the user interface harness and then check the wire harness connections to the user interface and the central control unit. If the drum rotates then replace the user interface, if the drum is not moving then replace the central control unit (CCU). Hope this helps...please post back for further assistance.

Daniel

Aug 06, 2011 | Kenmore Elite 45986 Front Load Washer

1 Answer

I have a Kenmore model 11049962603 that displayed an f-71 error code. I ordered a new cpu computer from sears and installed it. the machine seemed to work for one or two loads. now it displays an f-70...


I provided a complete list of error codes for this type of washer in the image below. The error codes vary by the exact model of HE3t washer that you have. Since you have an HE3t that is displaying the F70 and F71 codes, the list below should apply to your model. These are not listed in the owner's manual because they are intended for technicians. Use extreme caution if you follow any of the troubleshooting described in this information sheet. Unplug the washer and shut off the water supply before accessing internal components.

The F70 and F71 codes indicate that you have a communication error between the CCU (Central Control Unit or main machine control board) and the user interface touch pad assembly. Here are some troubleshooting tips:

Make sure that you have the washer plugged into a properly grounded 3 prong 120 volt AC electrical outlet.

Unplug the washer for 30 seconds to allow the control boards to power down and reset. Plug the washer back in but do not touch the power button (or any other buttons) for 1 full minute. This may reset the control board. Pressing the power button too quickly after reapplying electrical power to the washer can cause the F70 or F71 code since the CCU does not have time to recognize the user interface control.

If the above tip does not help then the most suspect component failure is the MCU (motor control unit -- motor control board at the bottom of the washer beside the drive motor). You can check for this failure by unplugging the washer and then pulling the MI3 connection on the CCU. The wiring diagram below has the MI3 connection highlighted in red. The connection has blue wires. The third image below shows this connection on the control board. The connections are labeled on the control board. Press the tab at the bottom of this plug down and then pull it out. Power up the machine with this connection unplugged and don't touch any buttons for 1 minute. If you then press the power button to turn on the washer and don't get the F70 or F71 code then the MCU at the bottom of the washer will likely need to be replaced to fix this problem. A technician would normally be needed to verify this failure and replace the MCU. The MCU is expensive ($423).

This troubleshooting information is based on a common HE3t model that displays the F70 and F71 codes. If you need more help, submit additional details and the full model number of your HE3t washer.

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Mar 27, 2011 | Kenmore Washing Machines

1 Answer

Getting code f70 & f71 washer will not run water does not fill or spin


Hi.

Please read the tip below, explaining how to fix F70 and F71 problems. The comment applies to Whirlpool built kenmore washers like the one in question.

F70 and F71 are two logic board error codes that point at a communication error between the main log...

Regards.

Ginko.

Jun 06, 2010 | Kenmore 47081 Front Load Washer

1 Answer

No communication between UI and CCU


Hi.

I think that by this time you already fixed the problem. The codes indicate usually a fault that is either CCU or MCU.

Please read the tip below, explaining how to fix F70 and F71 problems. The comment applies to Whirlpool built kenmore washers like the one in question.

F70 and F71 are two logic board error codes that point at a communication error between the main log...

Regards.

Ginko.

May 03, 2010 | Kenmore Elite 45986 Front Load Washer

2 Answers

Flashing code F71 then F70


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.

Oct 02, 2009 | Whirlpool Duet 3.8 cu. ft. Front Load...

1 Answer

What is code f70? washer wont start.


According to the Whirlpool cabrio / oasis manual

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Overloaded
oL flashes when the machine/motor control detects a load size that exceeds the washer’s capacity.
• Open the door lid to clear display, remove excess laundry, then restart the cycle.


Sep 27, 2009 | Kenmore Elite HE5t Washer

2 Answers

NO POWER JUST BEEPS F70 CODE


Bad main control or ccu here is a link to the repair manual.


http://www.affordableappliance.com/Download%20Folder/Whirlpool%20Duet%20Washer%20Service%20Manual.pdf

Sep 13, 2009 | Whirlpool Duet GHW9150P Front Load Washer

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