AEG 88101 Service Manual page 7

Alarm Display
in the
Symptom
Cooking
Field
Timer
Alarm display in the "E5"
Touch Control
"E6"
"E7"
"E8"
"E9"
DGS-TDS
21.04.08
7
Possible Alarm Alarm Remedying
Causes
1 phase missing 1) Check the house fuse.
2) Check the pin assignment, (1)
test L1 against N (4),
test L2 against N (5)
3) If ok, see Chapter 3.
Communication 1) (5)Checking of the contact with the power
interference element.
between filter and Is the temp. Sensor connector locked in place
power component. or the dummy connector (3 zone appliances,
no coil connected) inserted?
or temp. Sensor is 2) The resistance at room temperature (25°C)
defective/missing is 1000 Ohm.A deviation of +1°C
corresponds to approx. +3.3 Ohm
Note: a norm Replace the corresponding coil incl.
requirement with Temperature sensor if not in this zone.
regard to new
powerboards results 1) Check the cables between the two boards.
in the power supply (6), Reinsert connector.
for the electronics Or replace cable.
on the powerboard 2) Should all of the zones on the cooking hob
being deactivated in be affected (Display "E" in the cooking phase
the case of a display), replace filter board .
missing or incorrect 3) Should the above not succeed, replace
temp. sensor value. power component.
Alarm Temperature Replace affected power component.
sensor heat sink
power component
Communication 1) (3) Inspect connector at filter and the
interference betw. Touch Control. Replace cable or filter and
filter and Touch Touch Control.
Control. Reconnect mains voltage.
Central line at 2) Should above not succeed, replace Touch
RAST2.5 connector Control.
/ line defect. 3) Should above not succeed, replace Filter
board.
Incorrect Disconnect cooking field from the mains. Wait
configuration for the 10 sec. and reconnect to the mains voltage.
Touch Control on Should alarm still be displayed, replace Filter
the Filter board. board.
599 519 523 EN