Fisher & Paykel DishDrawer DD603 Service Manual page 29

March 2004
Question
1 Is the rotor jammed?
2 Does the stator wiring from the
controller test okay?
3 Do the stator windings show the
correct resistance?
4 Is the hall sensor clipped into the
stator housing correctly? Is the
sensor plugged into the controller
with a good connection?
5 Hall sensor fault?
Question
1 Is the incoming water temperature
greater than 85 C (185
°
2 Is the element on all the time?
3 Are the wiring and connections
from the controller to the element
all okay?
4 Are there any signs of moisture
around the temperature sensor?
5 Is the resistance of the
temperature sensor correct?
6 Does the machine fault again if run
through a test cycle?
F2 The motor is not sensed to be rotating
Yes
Free jammed rotor, check for
foreign object damage to rotor
and rotor housing.
Go to Question 3
Go to Question 4
Go to Question 5
Replace hall sensor
F3 Water temperature sensed at greater than 85
Yes
Adjust the incoming water
F) temperature.
°
Replace the electronic
controller
Go to Question 4
Locate and repair source of
leak
Go to Question 6
Go to Question 1
No
Go to Question 2
Replace wiring harness or repair
faulty connections.
Repair or replace stator as required
Clip hall sensor into stator housing
or repair wiring connection at
electronic controller.
Go to Question 1
C ( 185
°
No
Go to Question 2
Go to Question 3
Repair or replace wiring harness or
wiring connections
Go to Question 5
Replace heater plate assembly
No fault found
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Manual 599082
F)
°