Fisher & Paykel DD603 User Manual page 24

U1 DishDrawer failed to prime with water within approx. 3 minutes
Question
1 Is the tap turned on?
2 Is the spray arm in place?
(spray arm may have
been refitted since U1
fault occurred)
3 Activate the water inlet
valve in diagnostics. Does
any water enter the
machine?
4 Is the impeller on the rotor
slipping?
5 Is the supply water
pressure above 30Kpa
(4.3p.s.i)?
6 Are the inlet water hoses
and valves free of any
blockages or
obstructions?
7 Is the resistance of the
water inlet valve
measured at the plug on
the controller correct?
8 Is there 24V DC coming
from the controller during
the water inlet valve test?
9 Are the wiring and edge
connections down to the
water inlet valve okay?
10 Water inlet valve failure?
11 Is the Rotor fitted
correctly?
Yes
Go to Question 2
Go to Question 3
Go to Question 4
Replace the rotor
Go to Question 6
Go to Question 10
Go to Question 8
Go to Question 6
Go to Question 10
Replace water inlet
valve
Go to Question 1
24
No
Turn the tap on
Refit spray arm
Go to Question 7
Go to Question 5
The DishDrawer
requires a
minimum water
pressure
installation of
30Kpa (4.3p.s.i)
Clear the water
valves or hoses
of blockage or
obstruction
Go to Question 9
Replace the
electronic
controller
Replace or repair
wiring harness or
wiring
connections
Go to Question
11
Refit Rotor