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Rob
Rob, Home Appliance Technician
Category: Appliance
Satisfied Customers: 420
Experience:  20 yrs. experience with a major worldwide manufacturer.
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Ive changed the brushes in my Bosch Classixx 1400 but the

Customer Question

I've changed the brushes in my Bosch Classixx 1400 but the error code F21 won't clear no matter how many times I follow the proceedure
Submitted: 3 years ago.
Category: Appliance
Expert:  Techdesk replied 3 years ago.

Hiya,

When you try clearing the code (not sure which procedure you are following) does it clear and then come back when you try the machine?

 

Can you post the E-Nr number of the appliance please?

I can check the procedure for clearing faults once I know the E-Nr.

 

Thanks

Customer: replied 3 years ago.

WAE 28363GB/02


The proceedure I've got is turn the control knob to 6 o'clock press and hold the spin button move the control knob to 7 o'clock , keep spin button pressed for up to 15 secs ,release then turn knob to off then leave for 1 min

Expert:  Techdesk replied 3 years ago.

Hiya,

OK, the procedure I have only requires a 2 second wait.

 

Turn to off.

Turn to 6

Wait 2 seconds.

Press and hold the spin button.

Turn to 7.

Wait 2 seconds, release the spin button.

Turn to off.

 

The machine holds 5 codes so you should only need to clear 5 times.

 

However, if there's a further fault in the motor circuit, it will generate a new code each time you turn on.

This can be a faulty motor, faulty wiring and/or fault control.

 

Give it a try after checking the motor wiring and brushes again.

Let me know what happens.

 

When you manually turn the drum, do you get a clicking noise from the motor?

 

Thanks

Customer: replied 3 years ago.

tried the re set still no go


motor field and armature test ok


no clicking from brushes

Expert:  Techdesk replied 3 years ago.

Hiya,

OK, I think you are generating a new code each time you turn on, so it will never clear.

 

It's got to be wiring or control board if the motor tests fine.

 

Sorry.

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