Question about Kenmore HE2 Plus Front Load Washer

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The washer stopped and error code f70 displayed. It would not reset. I unplugged it and now nothing happens but a beep beep when I attempt to turn on the power

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The F70 and F71 error codes on this model of washer indicates a communication problem between the user interface control board and the central control unit (main control board). These error codes can sometimes be caused by a power surge or glitch through the electrical lines. Try unplugging the washer to completely disconnect electrical power. Wait 1 minute and then plug the washer back in to the see if the fault code clears. If it does, then the washer may work normally.

If the code reappears, then you could have a wire harness connection problem, a failed user interface control board or a failed central control unit. I recommend calling a service technician to properly diagnose and repair this type of problem so that the correct component can be replaced.


Be sure your unit is plugged into a 3 prong grounded outlet as well.


F71 is a "heatbeat failure" which means that your front interface control board is shorted and will need to be replaced. it's actually fairly easy to replace and can definitely be done by yourself. To access the part, just pull the unit forward and remove the 3 screws coming in from the back of the top panel. Remove the top panel by pulling it back, up, and off. Then remove all the screws going into the top of the control panel. Remove the dispenser drawer and remove the screws coming in through the dispenser. Remove the screws coming from the inside of the dryer going forward into the control panel, then remove the control panel (it's just clipped in on the bottom. After that you can disconnect the wire harnesses to the front interface control board and replace that part.


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Posted on Sep 11, 2010

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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

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...


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

Aug 27, 2010 | Washing Machines

2 Answers

Can anyone tell me what an F70 code is? When I push the start button it beeps at my twice and then in about 30 seconds I get a long beep and the error code F70 is on the display. Thanks in advance for your...


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 !!

Jun 23, 2010 | Whirlpool Duet GHW9150P 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

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

1 Answer

Kenmore Elite Oasis HE top loader has LD error code


"F21" (AKA SD) is a Long (SLOW) Drain error (LD). If the drain time exceeds 8 minutes this error code will be displayed. In addition, a "SUDS" error may also be displayed. This may be an indication of a drain pump problem and/or clog in the drain line. You will need to check the following:


1.First, attempt to unplug the washer for at LEAST 30 minutes to reset the Central Control Unit (CCU). Sometimes this is all that is required to correct momentary glitches with the unit. If the error code returns, proceed to step 2.
2.Check the drain hose to make sure it is not kinked or clogged.
3.Check the electrical connections to the pump and ensure the pump is running.
4.Remove the drain pump filter and check for foreign objects and/or debris.
To check the drain pump, click on the following link for step-by-step instructions

http://www.fixya.com/support/r385844-checking_drain_pump_kenmore_elite_front

If the above procedures do not correct the problem, it is recommended by the manufacturer to replace the drain pump.

Thanks for using FixYa - a 4 THUMBS rating is appreciated for helping with your FREE question

Jun 16, 2009 | Kenmore Oasis HE 27082 Top Load Washer

3 Answers

My whirlpool Duet Washer is displaying a F70 error code, how do i fix it


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.

Sep 06, 2008 | Whirlpool Duet GHW9150P Front Load Washer

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