E91: Communication Error Between The Display Board And The Main Circuit Board - Electrolux EWM09312 Service Manual

E91: Communication error between the display board and the main
E91
Inconsistency between configuration values on starting the appliance
Checks to perform:
Check the wiring between the main circuit
board and the display board:
► Detach and reconnect the connectors
on both boards several times.
► Measure the continuity between
connector J10 (main circuit board) and
J13 (display board).
Is the wiring ok?
Replace the main circuit board and repeat
the diagnostic cycle to check for any
further alarms.
Is the appliance still displaying E91?
Replace the display board and repeat the
diagnostic cycle to check for any further
alarms.
If there are burns on the circuit board,
!
see page 67
2012 SOE/DT-mdm FCPD-dp
Guide to diagnostics of EWM09312 electronic controls
circuit board
YES
YES
!
Check that all the connectors are correctly inserted
Replace / repair the wiring and repeat the
diagnostic cycle to check for any further
NO
Appliance ok
NO
DISPLAY
CIRCUIT BOARD
58/69
alarms.
DISPLAY
CIRCUIT
BOARD
0Ω
599 75 18-74 Rev.00
E91