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Seward fetatrack cardiotocograph series 21 unit picks up sound but does not indicate nor print heartbeat rate consistently. What could be the problem? Clement Ibrahim.

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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

Has a flashing code F 70 WILL NOT START


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 22, 2010 | Whirlpool Duet GHW9150P Front Load Washer

1 Answer

He5t washer keeps flashing F71.


The F71 and F70 are difficult error codes to pin down even for a technician.
The F71 indicates a user interface heartbeat error while the F70 indicates a heartbeat error in the central control.
There is a quick test you can try to resolve the problem. 1. Lock the control by pressing and holding the cycle signal button. 2). Press the Power button.
3). If the lock light flashes when you press the power button it indicates the center interface was able to take the input and the Right hand User Interface received the DCV signal from the Center User Interface but since the display did not light. This indicates an issue with the Right hand user Interface.
To know more about this error code.Please click on the link below:--
http://media.fotki.com/1_p,srgbtrqsqqqggbqxgtqsskgwtqkq,vi/dkrssrqrrxkktggsfswxrrttkgswb/1/1303472/5961857/image257713813124371901img-or.jpg
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to know where the parts are located on your unit ,please click on the link directly
http://media.fotki.com/1_p,srgbtsktrrbtqqdxgtqsskgwtqkq,vi/rbkfdkgkwxbqtftkggsxrrttkgswb/1/1303472/5961857/image9163592655485290914img-or.jpg
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to get required parts you can get it from www.repairclinic.com.
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Thanks. Keep updated for any more query. You can rate this solution and show your appreciation.

Aug 09, 2010 | Kenmore Washing Machines

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

Washer doesn't want to start and gives me an F-71 code, it sometimes in the past has stopped in mid cycle and we would have to restart it, but now it won't start at all.


Hi,


"F71" code indicates a 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

Check the following to fix this issue.

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 !!

Jul 09, 2010 | Whirlpool Duet GHW9150P 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

F-70 f-71 what do they mean


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 means 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.

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.

Please do rate this solution as FixYa and revert for further assistance.


Thanks

Rylee

Jul 16, 2009 | Whirlpool Washing Machines

1 Answer

Blood pressure machine does not give heart rate infor


I finally got through to the company customer service person and found the machine has ''gone defective.'' They will pick up this one and send a replacement.

Mar 19, 2009 | Homedics Deluxe Automatic Blood Pressure...

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