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LG Dishwasher - LD-12AW2 Door leak

4 posts in this topic

Hi, I'm currently trying to track down a leak with an lg dishwasher. I pulled it apart and found a dislodged seal on inside lip of the wash "cubicle" which is in front of the door when closed, and doesn't seem to be a compression seal when it is closed, possibly a dam seal? Or is this only here to seal when the door is open as it does seem to snug up against it then?

However when this was replaced it didn't rectify the problem. Should the water level get high enough to lip over this? as it appears the only other "seal" on the front is a close fit metal on metal where the door meets the housing.

The leak appears to be from the lower RHS facing the front, and only seems to occur when the water level gets to a certain point after the void between the front of the housing and the door fills up.

I also found a knife wedged under the LHS of the door.

Any ideas? Should this area even be getting this full?

Thanks.

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Have you run the D/W with the front panel off? did you check all of the spray arms for partially blocked ports???

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Hi , Thanks for your reply. I haven't had a chance to run it with the door off as the unit is in situ at the customers premises. I'll go back and pull the spray arms off and check to see if they are clean. When run with the door closed, it seems as though the leak is starting as the machine is filling up with water before any cleaning is occurring. Which is why I was wondering if the water level is getting too high.

There doesn't seem to be any seal at the base of the door, just the foam seal out in the "gutter" section in front of it. Is the very bottom usually a metal on metal seal, or is it only there to seal against splashing rather than immersion?

Thanks.

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Hi all, It's fixed ... although I'm not entirely sure which item in the final sequence of events was the solution. Here is what was done, I'd be interested in others thoughts.

1/ As per Samanera's suggestion (thanks for your time btw), I pulled all the spray arms out and gave them a clean. Each of the 3 arms had blockages. Probably about two in each of them, with ceramic, and bits and pieces of associated debris.

2/ We pulled the drain pump out to check for blockages

3/ Whilst the drain pump was out we pulled the pressure switch that was connected to this area out and apart. The diaphragm was fine, and we couldn't see any issues.

4/ Before reinstalling the pump and pressure switch, I blew out the pressure switch line, and quite a bit of greasy gunk came out (blocked and not switching perhaps?)

5/ Pump and pressure switch were then reinstalled.

6/ Test ran without the spray arms, and the washer ran with the water level notably lower than previous, and didn't even make it up to the spill / dam seal in the front of the door (i.e. no leak)

8/ Replaced all of the spray arms, and ran again, the water level was even lower with these in place.

Fixed ..... was it most likely the blocked spray arms, or a pressure switch blockage?

Thanks.

Sorry, Samanera should have read "Certified Tech Group 51", read my own title in the post above the last one ..... doh!

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