DIYnot
Local | Network
   DIYnot > Forums
Local | Network
DIYnot Network Local DIYnot Network Local  
  Forum IndexForum Index     RulesRules    HelpHelp     Join FREERegister Free     About CookiesCookies     SearchSearch     LoginLogin 

Neff Dishwasher Pump?


 
Post new topic   Reply to topic    DIYnot.com Forum Index > Appliances
Search this topic :: View previous topic :: View next topic  
Author Message
HDPete

from United Kingdom

Joined: 07 Jan 2008
Posts: 33
Location: United Kingdom

PostPosted: Thu Dec 08, 2011 7:54 pm Reply with quote

Hi,

I have a Neff dishwasher which starts the programme for a short while and fills up the bottom with water, but then stops. It doens't seem to drain.

I've removed the filters as per the manual and removed the T20 screw and checked the pump outlet, but there's no blockage.

The impeller in the outlet seems to turn freely and the outlet waste pipe is nice and high on the u-bend on the sink with no apparant blocks or kinks.

The ENR number is S5443X2/UK01 and I'm starting to suspect the pump. any other tests I can carry out to find out for sure?

I've looked on e-spares and there's either a whole pump or a drain pump so I'm not sure which I would need. Also, do you know whether the machine (integrated) would need to be removed in order to replace the pump(s)?

Many thanks in advance.
Pete
Back to top
 Alert Moderators

If you do not want to see this advert, click here to login or if you are new click here to join free.
zipper

from United Kingdom

Joined: 20 Nov 2009
Posts: 2789
Location: Aberdeen,
United Kingdom
Thanked: 504 times

PostPosted: Thu Dec 08, 2011 8:11 pm Reply with quote

Is the sink spigot clear?
You can access/change the pump from the front but you'll need to remove the door fascia to get enough room to work. Once the door furniture is off remove the kick-plate at the bottom. Once off you can get to the pump. Be sure to empty the sump before taking out the pump, but be aware some water will run out! The pump is twist fitted with a locking tag. You could find that a rogue piece of glass or similar is causing your problems but if you do need a new pump either of these will fit http://www.espares.co.uk/parts?k=423048 That's a big price difference between a genuine & pattern spare icon_eek.gif
Back to top
The following user says thank you to zipper for this useful post:
HDPete (10 Dec 2011)
 Alert Moderators
HDPete

from United Kingdom

Joined: 07 Jan 2008
Posts: 33
Location: United Kingdom

PostPosted: Fri Dec 09, 2011 8:20 am Reply with quote

Many thanks zipper.

Do you mean the water inlet feed to the machine, or the waste to the ubend under the sink?

I'm amazed at the price difference between the two items, so thanks. How do I know whether its the large White unit at the bottom or the smaller impeller pump you linked to?

Regarded
Peter
Back to top
 Alert Moderators
HDPete

from United Kingdom

Joined: 07 Jan 2008
Posts: 33
Location: United Kingdom

PostPosted: Fri Dec 09, 2011 4:44 pm Reply with quote

I spoke to NEFF who were very good and said that 9/10 it is a blockage in the waste which the flood prevention system detects a pressure build up and doesn't allow any more water in. I removed the ubend and found an airfix paintbrush....

I also removed the waste pipe into the ubend and blew back down it and bubbles came up in the dishwasher base (no residue present). I also ran the unit with the waste disconnected and running into a bucket.

I have also removed the mains water pipe which has an air gap device connected. This has a single black wire which goes into the base which is filled with green waterproofing of some sort. There's no obvious blockage in the air gap, but I gave it a hefty tap just to make sure. I also removed the filters inside the brass nut and they were cleaned out but weren't clogged up.

If I reset the unit on the front panel and restart the programme, the water is emptied quickly without issue.

However, the machine still partly fills up to the bottom of the unit and then stops. I can hear clicking and a constant low level whir, as if it's trying to do something, but it's failing to go any further.

Do these further results help anyone pinpoint the fauult any further?

Regards
Peter
Back to top
 Alert Moderators
zipper

from United Kingdom

Joined: 20 Nov 2009
Posts: 2789
Location: Aberdeen,
United Kingdom
Thanked: 504 times

PostPosted: Sat Dec 10, 2011 10:37 am Reply with quote

This sounds more like a wash motor fault rather than a drain issue. The whirring/clicking noise is most likely from the "water points". This is the device that shuttles the flow of water alternately between the upper & lower spray arms. If it fills to normal level & the water points kick in then the missing element is flow via the wash motor. Does the motor hum or get warm?
Back to top
The following user says thank you to zipper for this useful post:
HDPete (10 Dec 2011)
 Alert Moderators
HDPete

from United Kingdom

Joined: 07 Jan 2008
Posts: 33
Location: United Kingdom

PostPosted: Sat Dec 10, 2011 10:45 am Reply with quote

Hi
It's an integrated appliance so I can't tell if the motor gets warm, but after the initial full I can hear a constant hum with a few clicks inbetween and something trying to run..

Is it a simple replacement or should I bite the bullet and get a neff call out? 89 plus parts.
Back to top
 Alert Moderators
zipper

from United Kingdom

Joined: 20 Nov 2009
Posts: 2789
Location: Aberdeen,
United Kingdom
Thanked: 504 times

PostPosted: Sat Dec 10, 2011 2:49 pm Reply with quote

Really up to you how you want to proceed but to fault-find the problem further the machine has to come out. These machines are a little awkward to work on if you have to remove the motor. If your wash motor is indeed faulty it could be something as simple as a blocked impellor or a bad capacitor. If you are unlucky...something more expensive.
Back to top
 Alert Moderators
perrymason7

from United Kingdom

Joined: 05 Jan 2013
Posts: 1
Location: Hertfordshire,
United Kingdom

PostPosted: Sat Feb 09, 2013 10:27 am Reply with quote

I have a NEFF dishwasher which is approximately 10 years old. It continues to work well but recently there is now a problem with draining some of the excess water following the completion of the whole cycle. Initially, I thought this may be a blockage so I disassembled the connnected pipes under the kitchen sink, cleaned them, put them back into place thinking that this was the solution to the problem. Unfortunatlly, it was not. Although it was beneficial cleaning out the pipes (a lot of gunk) this was not the solution to the problem. The next hisng which came to mind was the pump. I hope that I do not come across as silly, but where is the pump located in order for me to see it, take a reading of the parts number and perhaps see if there is a possibility that I can order one from here?....Otherwise, does anyone else have any thoughts about this...

Thanks,

Kev. icon_neutral.gif
Back to top
 Alert Moderators
Search this topic :: View previous topic :: View next topic  
Post new topic   Reply to topic    DIYnot.com Forum Index > Appliances All times are GMT
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
Similar Topics   Replies   Views   Posted 
Bosch Excell Dishwasher Pump Stuck on after wash cycle 3 160 Wed Dec 29, 2010 11:09 pm
Siemens Dishwasher SE65E330GB - How to access pump? 6 840 Wed Dec 08, 2010 7:40 pm
I think I need a new dishwasher pump 2 40 Sat Mar 23, 2013 3:29 pm
Indesit Dishwasher Pump Motor Needs Push To Get Started! 13 2680 Sun Apr 13, 2008 2:53 pm
Bosch dishwasher - pump gone? 3 640 Tue May 08, 2007 12:22 pm


 
DIYnot
Find an Expert | Find a Supplier | Search DIYnot.com
Network | Advertising | Newsletter
DIY | DIY How To | @home | DIY Wiki | DIY Forum
By using this site you agree to our Terms of Service / Disclaimer.
Please read our Privacy Policy. Copyright © 2000-2014 DIYnot Limited.