Hoover AAA 1600 help and advice – drum does not turn

[DJBlack]

Guys – any help is much appreciated…

Our Hoover AAA 160 has decided to stop working…. and I sat through a whole programme to document what it does and does not do… so here is the abridged version….!

Setup the machine on a light wash, programme 7 (same for all progs)

Machine takes in water

Drum does not turn

No error lights or codes in the LCD display

You can hear a faint click from the top right hand site behint the LCD that repeats every 20 seconds or so.

Machine pumps out water

Machine takes in water…..

clicking continues…. no drum movement….

And so it continues until end of cycle… with absolutely no movement of the drum.

I would have expected a machine like this to have some tacho signal captured and as it would see the drum was not moving it would throw an error code, but alas no….

Any common problems or thoughts?

I am going to open it up and do a quick meter check to see if the motor is being fed power and will check the PCB where I can… I assume it uses triacs for motor speed control..?

DJ

[Penguin45]

Re: Hoover AAA 1600 help and advice – drum does not turn

Carbon brush motor……… check the brushes.

Model number required for more detailed response.

Please don’t live test, there is no need.

Regards,
Penguin45.

[DJBlack]

Re: Hoover AAA 1600 help and advice – drum does not turn

Hi

Thanks for the reply.

I removed the motor and, apart from being covered in carbon(!) the brushes are scerting no pressure on the commutator, so must be worn to excess…. I wills wap brushes and report back!

DJ

[DJBlack]

Re: Hoover AAA 1600 help and advice – drum does not turn

Hi

Well.. I am all back working!

I blew the motor out with the airline and replaced the brushes, and all is now ok!

I do find it funny that this motor has a tach output on the rear, and computer obviously does not use the fact that it gets no pulses back from the motor to indicate an error message… seems a big omission from the design…

Anyway, the brushes I used were labeled “HomeSpare” part number 6758 – it claims they are laminated brushes, so hopefully they will last a while, although I would expect the original ones would have been too.

Thanks for the advice… really appreciated.

DJ

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