Fault diagnosis
2017-03-23 / DIS 184_58300000197442_ARA_EN_A
Copyright by BSH Hausgeräte GmbH
Page 34 of 101
Fault
Possible cause
Troubleshooting
Reset during operation in main menu
"MyProfile"
(only Neff AV2)
Software error.
► Flash MMB to software status ≥ 5800.
► Calibrate TouchControl.
Door (fold-down door) does not open
90°
Not a fault. Due to construction.
► Advise customer:
Due to its construction, the fold-down door can be opened to 87 +/- 1°.
An opening angle of 90° cannot be achieved.
This does not restrict the use of the appliance.
Clock gains > 1 minute every day
Conductor (PE connection) defective or
missing.
-
Appliance must
not
be operated with defective or missing conductor!
► Connect protective conductor correctly.
► Run a safety test according to VDE 0701.
Time - is fast / slow
(Deviation < ±3 minutes in half a year)
Not a fault.
-
The time for appliances is derived from the mains frequency or the frequency of an
oscillating crystal.
-
However, the slight fluctuations of the mains frequency result in large deviations of
the time.
-
For this reason, the time is derived from the frequency of an oscillating crystal for
all IC 6 appliances.
► Advise customer:
The time must only be compared with the actual time (for example time of a radio
clock).
The time must not be compared with the times of other household appliances, as
all these appliances can have slight time deviations due to component tolerances
and different thermal stresses.
The deviation must be observed over a time period of six months. Consideration of
shorter periods is not possible.
A deviation of time of +/- 3 minutes in half a year is normal and corresponds to
technical specifications.
(Deviation > ± 3 minutes in half a year)
Control module defective.
-
The operating module must only be replaced if the deviation of time of > ±3 minutes
was determined under the following conditions:
► 1. The time was correctly set.
► 2. The time was compared with the actual time (for example, the time of a radio
clock) and not with other household appliances.
► 3. The observation period was half a year. Observation of shorter periods and
extrapolation to half a year is not permitted.
► Replace the defective control module.
