Service manual

11 599 519 523 EN
DGS-TDS
21.04.08
2.6.2 Cooking zone at the cooker okay, no display at the hob or no output.
Alarm symptoms Display Possible Alarm Cause Alarm Remedying
The diplay in the hob does
not illuminate when voltage is
connected.
Cooker display okay.
But: no cooking stage display
at the hob, no output at the
induction zones.
None. Output connector not
inserted..
Check the connector (10) and
the cable, check that it is
correctly engaged.
No cooker output. Check pin D35 at the output
connector to determine
whether 230V AC voltage is
connected.
Communication connector
not inserted or line
damaged.
1) Checking the connection
between cooker / hob (11).
2) Hereby also explicitly check
the entrance point of the cable
at the hob for damage (14).
3) Check the seat of the
connector at the display in the
hob (12) to the induction
module or (13) to the cooker /
external user interface, ditto
induction module.
No 5V DC betweem Pin 1+3
of the display bus
(2) check 5V DC Pin 1+3 on
the underside of the hob.
(corresponds to the our lines
of the bus line from the filter
to the display), if not
connected, replace the
filterboard. Caution: it is
difficult to measure this from
below with normal test probe!
Display defect Replace display
When voltage is applied, the
hob display illuminates
briefly. Display at cooker is
okay.
But: no output at the
induction zones
See normal diagnosis chapter
2.2, individual induction
cooking zones do not
(temporarily) work or
incorrectly or cannot be
operated or see 2.3 chapter
error display "E"