Guide to diagnostics of electronic controls EWM10931
2011 SOE/DT-mdm FCPD-dp Quality-tb
50/75
599 73 77-37
E5d: Data transfer error between Inverter board and main circuit board
E5d
The lack of communication must last at least 2 sec.
E5d
Checks to perform:
Are connectors J16 (main circuit board)
and J6 (motor control board)
properly inserted?
Repair the connectors and repeat the
diagnostic cycle to check for any
further alarms.
Measure the continuity between
connector J16-1, J16-4 (main circuit
board) and connector J6-2, J6-5
(motor control board).
Is the wiring ok?
Replace the wiring and repeat the
diagnostic cycle to check for any
further alarms.
Replace the motor control board
and repeat the diagnostic cycle to
check for any further alarms.
Is the appliance working?
Replace the main circuit board and repeat
the diagnostic cycle to check for any
further alarms.
If there are burns on the circuit
board, see page 73
!
check that all the connectors are correctly inserted
!
NO
Y
E
S
NO
NO
Y
E
S
MAIN CIRCUIT
BOARD
MOTOR CONTROL
MOTOR
0
Ω
Connector -
Motor