APL8224/3 – no water circulating

[Nic Redshaw]

Hi,

My ageing Hygena APL8224/3 has been making quite a lot of noise recently when circulating the water. Last night it finally gave up the ghost and now doesn’t spray any water at all, and there is a rather nasty burning smell…… It still fills up and empties properly.

Sounds to me that it is the circulating pump – would you agree ? How difficult is it to replace ? I’ve taken the thing to pieces before, but remember at the time thinking that the main pump looked tricky to get out. Should I bite the bullet and buy a new one ?

Cheers,

Nic

[karv]

Re: APL8224/3 – no water circulating

hi ya im no expert but belive that is brant version of the diplomat.
if was making noise while spraying during wash will be motor they often go that way they really make a struggling noise when they on way out.
poss a leakie pipe thats screwed ya motor over as well if this is case u will see water signs on motor.
they do have capactior as well but noise would be motor it self.
3 versions of motor or the motor with mod kit that fits all , this site may do a universal motor that fits i do not know tho.
as for fitting 1 type is dead easy clip and turn / 1 type is flaming nightmare clips and seals and moving capactior or adding it that come with new motor/ thrid one i don,t remember .
price 100 to 135pounds i would say with vat at a guess .
if worth doing ? depends on age of machine your call hehe

[Penguin45]

Re: APL8224/3 – no water circulating

Circulation pump on all 8224s is replaced by kit 31X9479, around the £90 mark last time I checked. Instructions are included for all versions – job is fiddly rather than difficult.

spares@ukwhitegoods.co.uk will get you one promptly if required.

Penguin45.

[nicredshaw]

Re: APL8224/3 – no water circulating

Thanks for the replies. I took it all to pieces this evening, and this must be the easy model because I got the motor off in about 10 minutes !

I took the motor to pieces as well, but there were no obvious signs of something burning out. The bearing ‘nearest the water’ was rusty, and stiffer than the one at the other end, and there were signs of water getting in (though not really on the motor itself), but it looks like it’s designed to cope with that. The middle bit (stator ?) is showing signs of wear.

Here’s a piccy:

Oddly motor didn’t smell of burnt stuff. It can’t be the element though because it is reading a healthy 25 ohms. Could it be something on the pcb (in the door) ? I think the motor has definitely had it due to the awful noise it was making, but don’t want to replace it and it still not work !

On a completely different note – there’s something that sticks up through the floor of the dishwasher that has mains going to it – is it some sort of interrupter so that the element doesn’t heat up if there’s no water ?

Cheers,

Nic

[Penguin45]

Re: APL8224/3 – no water circulating

If you were to remove the pump cover and uscrew the impellor, you will find that the water seal has failed and that water has leaked into the front bearing. Bearings are generic – in theory, you could pull it off the shaft and replace it. Unfortunatley, this would be a pointless exercise unless the seals were replaced as well and they are not listed as a spare part.

Were the motor to seize up due to the stiff front bearing (very possible – it’s not that powerful), it would continue to be powered until the TOC in the motor shut it down – it gets hot very quickly in that state. Also, the heater will be on, as the water level control system is telling the timer that the machine is full of water. The heater safety thermostat will shut it down, due to the lack of water being sprayed on it by the pump. Both circumstances can produce that “hot electric” smell.

Hope that clarifies things,

Penguin45.

[Author]

Posts