Blomberg 8978983800, Service Manual

Page: 40 / 70

BWOS 30100 SERVICE MANUAL
40
Anomaly Possible Cause Corrective Action
section
The display is always
dark, the latch at power
up works correctly.
The power
supply to the
display board is
missing.
Verify if the voltage (-5GND) is
correct on the display board.
--
Check the connections
between the power and the
display board.
--
Verify if the voltage (-5GND) is
correct on the main power
board.
--
The display is always
dark, the latch at power
up doesn’t work
The power
supply is not
working.
Verify if the voltage (-5GND) is
correct on the main power
board.
--
Check and eventually replace
the main power board.
7.17
During the manual test
it’s not possible to check
the software version of
one board: The displays
shows “d” or “p” without
any number.
The board has
never been
programmed.
If the display shows 2p” check
the connections between the
boards, then try to replace the
bad power connection.
--
The display
cannot read the
power board
software due to a
connection
problem.
if
the display shows “d” replace
the display board.
7-19
4.9 DOOR HINGES PROBLEMS
Anomaly Possible Cause Corrective Action
section
The door does not close
or there is not sealing
between door and gasket
Hinges system is
broken or
damaged
Replace the units
7.15
The hinges
support in the
box is broken or
damaged Replace the units
7.16