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Refrigerator operation
4.21 Information on failure display
and trouble-shooting
n
Refrigerators with an electronics system
(MES, AES) indicate the occurence of a
malfunction by the LED or display flashing.
n
If a malfunction occurs, the indicator LED
"Failure" (8) flashes simultaneously. In the
case of AES models an acoustic alarm
sounds.
4.21.1 Status indicators
1
2
3
4
MES
1
= Button ON / OFF
2
= Energy selector switch 230V AC
3
= Energy selector switch GAS
4
= Energy selector switch 12V DC
Operation with on-board 12 V power supply
Indicator
flashing +
2
acoustic signal
8
20 s
flashing +
4
acoustic signal
8
20 s
flashing +
3
acoustic signal
8
20 s
Acoustic signal,
15 s, at 2 minute
intervals
flashing +
2
acoustic signal
7
20 s
flashing +
4
acoustic signal
7
20 s
flashing
7
flashing +
3
acoustic
7
signal 20 s
6
7
8
Fig. 51
Fault
230V mode: "230V" not
available or voltage too
low
12V mode: "12 V" not
available or voltage too
low
GAS/Automatic mode:
Flame not ignited
Interior lighting is swit-
ched on
230V mode: 230V hea-
ting element defective
12V mode: 12V heating
element defective
Temperature sensor
without contact or
defective
Burner defective or coo-
ling unit defective
Before notifying the authorised Service Center,
please check whether:
n
the instructions in section "Operating the
refrigerator" have been observed.
n
the refrigerator stands level.
n
it is possible to operate the refrigerator with
any available power source.
1
2
3
4
AES
5
= selector switch "AUTOMATIC"
6
= temperature level button
7
= temperature level display
8
= fault LED / GAS FAULT reset button
Remedy
Check mains power connection, mains voltage, fuse
Check 12 V connection, on-board battery, fuse
AES: Check D+ signal
Check gas supply (gas bottle, gas valve)
Press the
(8) button after clearing the fault.
Close door, check door contact
Arrange replacement of 230V heating element,
contact Customer Service
Arrange replacement of 12V heating element,
contact Customer Service
contact Customer Service
Check burner, burner nozzles, if necessary contact
Customer Service and arrange replacement
28
5
6
7
8
Fig. 52
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