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Board tacho coil fault - Zanussi W1042W Front Load Washer

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What is an F21 error means in Siemens extraklasse WM14E391 washing machine?


its a motor tachometer fault, basically the tacho on the motor (you cant get it as a spare part it comes with the motor) is faulty or the control board is faulty and the machine is unable to detect the speed of the motor, the motor may work but if the board cant detect it moving you will get this fault, fun thing about this kind of fault is theres no easy way to determine whether its the board or the tacho

Feb 07, 2017 | Siemens Washing Machines

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Error Code & in washing machines..


Error 7 means - “Motor jammed / Drum shaft jammed / Tacho generator fault”

Motor jammed

The first possible fault could be if the motor is trying to turn but the motor is physically jammed. This is likely to be rare. It’s easily tested by opening the door on the washing machine and spinning the drum by hand. If it moves normally and freely it’s clearly not jammed and this is not the fault.

If it is jammed or very stiff then making sure the machine is disconnected from the mains supply you can just take off the drive belt. You can then see if the motor is jammed or not because the shaft where the belt fits wouldn’t be able to be turned by hand.

Drum shaft jammed

This would cause the exact same problem in that the motor is trying to turn but because the drum was jammed it couldn’t. Again, easily tested by turning the drum by hand – if it’s free then it isn’t the fault. If it’s jammed or very stiff, removing the belt will let you determine whether it’s the motor or the drum that’s jammed.

Tacho generator fault

The way a washing machine detects the speed of the motor is via the tacho coil which is the last potential fault listed.

The tacho coil is on the outside of the motor attached to the end opposite the drive belt with 2 thin wires running from it. It’s a small coil that surrounds the shaft of the main armature where a small round magnet is attached. As the armature turns the magnet on the end of the shaft turns inside the coil. It’s then easy for the pcb to count each revolution of the small magnet and work out how many revolutions per minute it is turning.

on Mar 17, 2010 | Washing Machines

1 Answer

Why is the tack jumping at idil.and engine stumbling?


tachos get their signal wire from the ignition (coil, ignition control module )
it the miss is in tune with the tacho movement then there may be a fault in the signal generator ( the coil) or ignition control module

Oct 11, 2015 | 1990 GMC C2500

1 Answer

What means error code "C9" ? AEG Lavamat 74652


C9Motor tacho fault •Check main drive motor •Check tacho magnet •Check tacho coil •Check module

May 27, 2014 | AEG Lavamat 88840 Front Load Washer

2 Answers

Hoover WMH168D error code E08


I posted this elsewhere by mistake, I have a Hoover Optima which had an E08 fault, the forums suggested a Tachometer issue. I fixed the fault it was just the motor brushes. i made a video including testing the tacho and changing the brushes that cost me a tenner. easy fix hi I had this fault google said it was tachometer fault. the e08 fault on my hoover optima was not the tachometer, i checked it, but the fix was very easy, the motor brushes were worn out and i changed them for 10 quid, I made a video of it its on you tube http://www.youtube.com/watch?v=xYn-f78GB4U if its any use.

Oct 17, 2012 | Hoover Washing Machines

1 Answer

WHAT DOES F 02 FAULT MEAN ON THE AQUARIUS W740


"F02 = Motor jammed or tacho detached".

Check the motor hasn't jammed up somehow, or that the small tacho coil (the thing that detects the speed of the motor) on the end of the motor hasn't dropped off (tip the machine back and it's in between the brushes - it should be held in place with a clip. If it's hanging loose it's the fault)

This fault code basically means the PCB cannot detect any impulses from the tacho coil on the motor, so the main implication is that the motor is just not running. However, because other fault codes cover most of the other motor faults, the PCB thinks the motor may be physically jammed. That is, as far as the PCB is concerned, it is supplying the motor with power, but it can't detect the motor is running.

Aug 30, 2011 | Hotpoint Aquarius WF215 Front Load Washer

3 Answers

How do I fix a F53 fault ona Miele W1712 Washing Machine


A call with the Miele tech helpdesk got me an answer: The tacho unit (coil) should have about 500 Ohm resistance, so they told me. My unit only had about 78 Ohm's, so I ordered a new brush unit (which includes the tacho). The new unit actually measures 250 Ohm, but since it was a new one I did fit it. It works like a charm again. No F53 fault code anymore.
The part no. is 6799642 - Module BSTV Mrt40 RK473. It cost me about 70 euro's including shipping. My machine is a type W3821, but the motor and brush unit with tacho is used on a variaty of models.
Cheers!

May 01, 2011 | Miele W1926A Front Load Washer

1 Answer

Ariston error code f02


Hi.

Try first disconnecting the power cord or tripping the circuit breaker for five minutes. This will reset the control board in case the error had been only a temporary fault.


If disconnecting and connecting back power does not clear the error, then F02 means Motor jammed or tacho detached.
This means that the main electronic control does not detects any signal from the tacho coil/magnet device attached at one end of the motor, and detecting motor speed.

This basically means that either there is a wiring problem, a motor problem (often jammed), or that the tachogenerator is not working.
Testing is done accessing and testing motor, testing tacho coil, and testing wiring harness to control board.

Try first disconnecting power to reset the machine, if that does not work, call Ariston service at the number listed on the owners manual.

Regards.

Jan 04, 2010 | Washing Machines

1 Answer

Hotpoint ultima wt721 error code fo2 showing! will not work properly!


Error code F02 means the motor has jammed, and or the tacho is loose or broken. .Check the motor hasn't jammed up somehow, or that the small tacho coil on the end of the motor hasn't dropped off (tip the machine back and it's in between the brushes - it should be held in place with a clip. If it's hanging loose it's the fault)

This fault code basically means the PCB cannot detect any impulses from the tacho coil on the motor, so the main implication is that the motor is just not running. However, because other fault codes cover most of the other motor faults, the PCB thinks the motor may be physically jammed. That is, as far as the PCB is concerned, it is supplying the motor with power, but it can't detect the motor is running. This fault is not caused by worn carbon brushes because on these washing machines, an open circuit on the motor causes the washing machine to do nothing at all. It would not fill, or empty (as well as the motor wouldn't run) although the indicator lights would work.

Nov 03, 2009 | Hotpoint Ultima WF860 Front Load Washer

1 Answer

PAV2300AWW tub spin on wash cycle


fault may be tacho on motor fallen off or round magnet that turns inside the tacho coil has become unscrewed. remove motor and check tacho. it is located at opposite end to the belt pulley

Mar 24, 2008 | Bosch WFLI 2440 Front Load Washer

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