E91: Communication Error Between The Display Board And The Main Circuit Board - Electrolux 6 Series Service Manual

Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls
E91: Communication error between the display board and the main
E91
Inconsistency between configuration values on starting the appliance
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 J3
(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 59
T.S.-mdm FCPD-dp Quality tb
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
NO
further alarms.
Appliance ok
NO
DISPLAY
BOARD
51/61
DISPLAY
CIRCUIT
BOARD
0 Ω
599 74 42-27 Rev.00
E91