Service manual

8 599 519 523 EN
DGS-TDS
21.04.08
2.4 Other alarm symptoms
Alarm
symptoms
Display Possible Alarm
Cause
Alarm Remedying
Buzzer defect Touch control
defect.
Replace Touch Control.
Individual display
elements do not
illuminate or do not
do so continuously.
Defective display
elements
Replace Touch Control.
Penetrating aromas
from the hob when
warm.
Coils subjected to a
manufacturing
defect.
The aroma is non-toxic. Replace the affected
coils. These also have a slight arom when
cold. Clean the glass and aluminium sheet.
Pots cause noises Unsuitable pots. See Chapter 4 Pot Detection Information.
Normal sound level Interference noises result from the high
working frequency of the induction. This can
vary from pan to pan.
When measured in operation pursuant to
EN60335 ยง11-3 pursuant to EN60704 with 4
pots <47dBA.
A pot with boiling water has approx. 60-
62dBA.
2.5 Cooking zone with electric heating element not functioningt
Alarm symptoms Possible Alarm Cause Alarm Remedying
Cooking zone not
functioning.
No phase 2 power voltage
or wrong connection
(1) Check the pin configuration and
230V AC between N (4) and the phases
at terminals 1 and 2.
Electric heating element
defect
(7) Check whether the electric heating
element is open between the connections
or whther it has short-circuited. Replace
the heating element if defective.
Relay defective 8) Check whether the rely is defective
and whether no voltage is applied to the
electric heating element. Also refer to the
circuit diagram.
If the above should not
succeed.
Replace the filter module with the relay