Question about Fisher and Paykel 23 in. DD-603SS Built-in Dishwasher

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DD601ver2 Top draw wont drain properly.Leaves about 2 inchs of water(clean). Occaisionally u3 code shows.Have tried eveything i can think of. HP is correct Drain hose and filter to pump are both clear. No blockages. Have swapped motors from bottom to top and makes no difference. Have swapped inlet hoses around and no difference. Have run diagnostic and when in drain mode P2 it drains very slowly - takes 1 minute 42 seconds to drain 2 litres of water. Bottom draw takes just 30 seconds to do the same.

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  • fab9 Jul 15, 2008

    Hi



    Thanks for the tip. Have already tried this suggestion. Still havent resolved it yet!

  • fab9 Jul 22, 2008

    Appreciate the help. I havent as yet trid changing controllers but will do this weekend - Thanks again

  • DRD77 Jul 23, 2008

    Same problem. About 2 inches of water remains in top drawer after cycle - can't seem to fix it! any solutions???

  • kiwi40 Jul 27, 2008

    Hi We have the same problem developed today. 2 inches clean water remaining in the drawer with the U3 error sometimes. Tried all the obvious ie. removed filters, motor assembly as per manual.

  • fab9 Sep 10, 2008

    Ok Im back! _Have tried switching controllers and result is the same problem - so not the controller? How can i check motor itself to see if its working properly? Also how does the draw come apart? I want to swap pump recess as problem draw is worn fairly well compared to bottom draw?

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  • 27 Answers

Check for restriction in sump. ie remove rotor, push pipe cleaner or similar from filter sump into rotor sump

Posted on Jul 15, 2008

  • neil_v Jul 17, 2008

    Ok, I suggest rechecking all the obvious causes. Check the drain hose for kinks, check termination point of drain hose for obstructions. In very rare cases this could be a controller problem (not supplying correct voltage to motor) I suggest swapping the controllers over. Please let me know how you get on, I want to get to the bottom of this for you

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1 Answer

U3


The dishwasher is filling up too quickly compared to what the controller expects. Try to turn down the water inlet tap under kitchen sink and check. Also see if the water pressure setting in the dishwasher is HP for normal mains water pressure. See

DD603 U3 fault code

Feb 10, 2014 | Fisher and Paykel 23 in. DD-603SS Built-in...

2 Answers

What does U3 mean?


U3 can mean quite a few things depending on when it occurs and which drawer it is.

It could mean Lid fault and will show up as soon as you start dishwasher.

It could mean drain problems if it occurs later in the wash cycle and there is water left behind.

It could mean the wash arm is not sitting properly if it occurs during wash cycle.

Dec 27, 2010 | Fisher and Paykel 23 in. DD-603SS Built-in...

1 Answer

Our F&P DD601V2 double dishdraw is showing error 'U3' and the water does not totally drain out after a cycle, any ideas? Thanks


This applies to all DD601 and DD603 dishdrawers.
U3 is either one of the following:
- Drain pump is blocked.
- Drain hose is blocked.
- Sprayarm or rotor not turning freely.
- Motor electronics have failed.
- Machine set to 'LP' on a high pressure water supply.

Often it's just the last one, "Machine set to 'LP' on a high pressure water supply.", as this can be unintentionally changed by a user from an uncommon course of events. Sometimes, due to the technical design of the way the buttons work, if water bridges the 2 "Programme" and "Eco" buttons (inside on the top right of the tub), pressing either one, or both, (or just having your finger in the water) for longer than 5 seconds brings up a special mode that a user, in their ignorant attempts to get out of it, can erroneously change the pressure setting, subsequently causing a U3 error. It happened to me once when I was cleaning the machine, wiping around the Programme buttons.

To change to the proper High or Low Pressure settings:
1) LCD Display on. Hold the Programme and Eco touch switches simultaneously for 5 seconds.
2) Machine beeps and "HP" or "LP" is displayed in the LCD.
3) Push the Start/Pause button to toggle between them.
4) Push the Power button when correct selection complete.

Apr 07, 2010 | Fisher and Paykel 24 in. DD603H W Built-in...

1 Answer

Top drawer works but bottom drawer shows code u3 and bottom drawer started leaking water before the u3 code showed up


U3 code generally relates to drain pump blocked. This could mean the water is not able to drain out. Leaking of water is not a good sign. Shows the vacuum seal is not working.

Clean the drawer door from inside and make sure the seal lining is sitting properly. Also the filter plate and the motor cavity needs cleaning. You will need to see the user guide on how to do this.

Nov 02, 2009 | Fisher and Paykel 23 in. DD-603SS Built-in...

2 Answers

Bottom drawer won't clean or drain


My top draw F&P won't drain, it seems to want to go thru the cycle, but then leaves about 3 inches of water. no codes are displaying. No extra beeping. please help!

Jun 30, 2009 | Fisher and Paykel 23 in. DD-603SS Built-in...

1 Answer

Dishdrawer DD601 v2 Error F1 on the bottom draw.


Hi,
Below is the link to the service manual
http://www.scribd.com/doc/6462163/DD601V2-Manual
This will be able to explain the problems better that I can in the tiny space I get to write in.
Mat
Please rate me

Mar 15, 2009 | Fisher and Paykel 23 in. DD-603SS Built-in...

1 Answer

Model 601V2 dishdraw showing U3 error message


I have had my Fisher Paykel dishdrawer for 8 years and it has never completely worked. I would get a U3 code on the top drawer intermittently. I have had my drains rerouted twice, LP - HP reset, service men replace the back flow flap and mother boards without luck... until I was able to get my hands on the service manual. Turns out the solution is quite easy. If you have a problem with the U3 code it means the drawer is not draining appropriately, The washer only gives a preprogrammed 60 sec to drain the drawer. So if your drawer is overfilled, it will think it has a drain problem. The following is taken from the service manual...

"U3 - Time to fill was too short, indicating water was still in the tub.
Possible Causes:
· Drain pump is blocked.
· Drain hose is blocked.
· Sprayarm or rotor not turning
freely.
· Motor electronics have failed.
· Machine set to 'LP' on a high
pressure water supply.

The tub fills with approximately 2.2 litres of water, level with the base of the spray arm attachment. Once this level is reached, the wash pump (which has sensed the fill at 30 second intervals during the fill), becomes primed and pumps the water through the spray arm which will then rotate.
The water level is monitored by sensing the motor load through the electronics."


The solution is to turn your water supply valve part of the way on to limit the gpm flow to the drawer. This way, the drawer will not have over-filled in the 30 sec it took to sense the motor load. I have tried it and wow no more U3. Hope it makes sense and hope it works for you.
jim

Jul 13, 2008 | Fisher and Paykel 24 in. DD-602 Built-in...

2 Answers

Dd601 ver2


have you check the tunnel between the kidney shaped sump and the well that the rotor motor locks into, often chips of crockery,seeds etc get caught in here and reduce the flow rate .You will need to remove the rotor motor,its easy, lift out racks then sprayarm to expose rotor motor turn locking ring to release stainless sieve lift out, then turn motor assembly anti clockwise and lift out.With something flexible eg 4mm insulated wire push it through tunnel from sump to motor well.

Jun 21, 2008 | Fisher and Paykel 23 in. DD-603SS Built-in...

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