Fisher & Paykel DishDrawer DD603 Service Manual page 30

March 2004
F4 No temperature increase has been sensed while the element is turned on
Question
1 Does the element heat in diagnostics? Go to Question 7
2 Test the resistance of the heater
element using the connection on the
controller, is it correct?
3 Is the connection on the controller
okay?
4 Electronic controller failure?
5 Are the wiring and connections from
the controller to the element all okay?
6 Is the resistance of the heater
element correct?
7 Is the resistance of the temperature
sensor correct?
8 Are the wiring and connections down
to the temperature sensor okay?
9 Heater element failure?
Question
1 If the DishDrawer is isolated from the
power supply for 10 seconds, does
the fault clear?
2 Electronic controller failure?
Yes
Go to Question 3
Go to Question 4
Replace electronic controller
Go to Question 6
Go to Question 7
Replace electronic controller
Go to Question 9
Replace heater plate
F9 Electronics failure (EEPROM access error)
Yes
No fault found
Replace electronic controller
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Manual 599082
No
Go to Question 2
Go to Question 5
Replace or repair connection
Go to Question 1
Repair or replace wiring harness
or wiring connections
Replace heater plate
Go to Question 8
Replace or repair wiring harness
or wiring connections
Go to Question 1
No
Go to Question 2
Go to Question 1