22 Service Manual EKI
For internal use only
7. Customer service diagnosis
The induction heating system of the 3rd generation is equipped with a customer service diagnosis
feature, i.e. it is possible to call up and test functions of the induction heater in the installed condition.
7.1 Call-up of the diagnosis menu
The following sequence must be observed to call up the diagnosis mode. Otherwise the diagnosis menu
is not started:
♦ The control must be off.
♦ Switch the control ON with the main switch button ON.
♦ End any active key-lock function.
♦ Set cooking level 8 with the plus button (cooking zone 4)
♦ Set cooking level 3 with the minus button (cooking zone 4).
♦ Set cooking level 7 with the plus button (cooking zone 4).
♦ Set cooking level 1 with the minus button (cooking zone 4).
♦ Set cooking level 2 with the plus button (cooking zone 4).
The counting direction may only be changed at the specified cooking levels.
If this has been carried out in a period of 40 seconds after activation of the control, the diagnosis mode
is started.
7.2 Diagnosis mode
The diagnosis menu is shown as follows in the actuator displays:
All other displays are dark.
A diagnosis can now be selected with each plus or minus button; the corresponding diagnosis code is
displayed.
The diagnosis is performed by activating the key-lock button. As long as the diagnosis is being carried
out, the LED of the key-lock button remains on.
Diagnoses which end automatically can be restarted.
Otherwise the diagnosis is ended by activating a plus or minus button (selection of a new diagnosis).
Some diagnosis points provide the user with clear good/bad results. This is unfortunately not possible
all the time as only activation but not feedback takes place (see table on page 23).
Display Meaning Indication
Actuator 2 Diagnosis d
Actuator 3 Diagnosis result dark, 0 or 1
Actuators 1 and 4 Diagnosis code two-digit hexadecimal
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