Question about Fisher and Paykel 23 in. DD-603SS Built-in Dishwasher
Drawer will not drain, shows a fault of U1 and will indicate a wrench, a water faucet crossed, and multiple numbers flashing on the control.
U1= Machine has failed to
prime with water within
approx. 3 minutes
The water supply is not turned on
The machine is syphoning
The spray arm is not in place
The Inlet Valve has failed
The electronic controller has failed
Rotor not fitted correctly
Posted on Aug 05, 2008
I reset the power on mine when I had this issue. The computer just needed a reboot.
I thought I was losing my mind with the music it was trying to play....
Posted on Feb 14, 2010
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Posted on Jan 02, 2017
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Aug 01, 2016 | Fisher and Paykel Dishwashers
on Dec 14, 2008 | Fisher DD603B / DD603W / DD603H Dishwasher
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Apr 08, 2013 | Fisher and Paykel 23 in. DD-603SS Built-in...
Oct 11, 2011 | Fisher and Paykel 23 in. DD-603SS Built-in...
Error code U1 means that the dishwasher might be taking longer time then required to fill the water and water is not draining properly as something might be blocking the drain pump assembly due to which the water is leaking. To solve this issue you'll have to take the front lower access panel out and then clean the drain pump assembly completely, also clean the impeller and chopper assembly located at the bottom of the unit. Also check the water supply and spray arm. After this is done the issue should be resolved, if not then check the float switch mechanism and make sure that it is fine. Error F1 on your fisher & paykel means an overfill condition. One of the most common causes for an overfill fault is that the dishwasher cannot pump out the dirty water due to a plugged drain hose. Check the drain hose if it is clogged. Now remove the bottom drawer from the unit to inspect the flood switch. Remove the wire harness cover on the underside of the drawer. With the bottom cover off, unclip the wire harness, fill hose, and drain hose. Then unclip the linkage at the back of the drawer and lift the drawer off the slider arms. Now' you'll be able to look at the flood switch. Note the positions of the wires on the flood switch and remove them. Then unclip the switch housing from the base panel. The switch housing contains one switch for each drawer. The switches are wired normally closed (NC) and each switch has three spade connections, so it's important to note where the wires went. Now clean the contacts and let it dry. Hope this helps... Please post back if you need more information.
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