03-2009 SOI/DT-mdm FCPD-dp Quality-fz 52/91 599 70 56-70
NO
NO
E54: Motor relay contacts sticking
E54
Voltage in the motor circuit even when the motor should be inoperative
E54
Tests to be performed:
YES
Replace the circuit board and restart the
diagnostic cycle to check for further
alarms.
Measure between all terminals of wiring
connector J7-2 ÷ J7-8 and the structure of
the appliance
see page 50, point 3
Is there any current leakage?
- see fig. 9 -
Detach the connector from the motor and
measure across the terminals and the
motor shield.
- see fig. 10 -
Is there any current leakage?
Replace the motor and restart the
diagnostic cycle to check for further
alarms.
Check/replace the wiring and restart the
diagnostic cycle to check for further
alarms.
YES
If there are traces of burning on the
circuit board, refer to page 90
fig. 10
Circuit
board
fi
To Next Page
Loading...
