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March 2004 Manual 599082
- 30 -
F4 No temperature increase has been sensed while the element is turned on
Question Yes No
1 Does the element heat in diagnostics? Go to Question 7 Go to Question 2
2 Test the resistance of the heater
element using the connection on the
controller, is it correct?
Go to Question 3 Go to Question 5
3 Is the connection on the controller
okay?
Go to Question 4 Replace or repair connection
4 Electronic controller failure? Replace electronic controller Go to Question 1
5 Are the wiring and connections from
the controller to the element all okay?
Go to Question 6 Repair or replace wiring harness
or wiring connections
6 Is the resistance of the heater
element correct?
Go to Question 7 Replace heater plate
7 Is the resistance of the temperature
sensor correct?
Replace electronic controller Go to Question 8
8 Are the wiring and connections down
to the temperature sensor okay?
Go to Question 9 Replace or repair wiring harness
or wiring connections
9 Heater element failure? Replace heater plate Go to Question 1
F9 Electronics failure (EEPROM access error)
Question Yes No
1 If the DishDrawer is isolated from the
power supply for 10 seconds, does
the fault clear?
No fault found Go to Question 2
2 Electronic controller failure? Replace electronic controller Go to Question 1