Electrolux EWM2100 - E51: Motor Power Triac Short-Circuited

03-2009 SOI/DT-mdm FCPD-dp Quality-fz 46/91 599 70 56-70
NO
NO
NO
E51: Motor power triac short-circuited
E51
Intervention of the safety system for short-circuiting of the triac (after 5 attempts during the
cycle, immediately if detected at the start or during diagnostics)
E51
Tests to be performed:
YES
YES
Measure among all the
terminals of wiring connector
J7-2÷J7-8 and the structure
of the appliance
see fig.6
Is there current leakage?
Scollegare il connettore dal
motore e misurare tra i
terminali e lo scudo del
motore. –(vedi fig.10)-
Ci sono dispersioni?
Reconnect the connector J7 to
the circuit board, detach the
connector from the motor and
perform phase 8 of the
diagnostic cycle.
Does E51 alarm appear again?
Replace the circuit board and
restart the diagnostic cycle to
check for further alarms.
Check/replace the wiring and
restart the diagnostic cycle to
check for further alarms.
E52 will probably be
displayed: replace the
motor and restart the
diagnostic cycle to check
for further alarms.
fig. 10
YES
Replace the motor and
restart the diagnostic cycle
to check for further alarms.
If there are traces of burning on the
circuit board, refer to page 90
fig. 6
Circuit
board
J1
J2
U3
J5
J7
J8
J9
J10 J11
J16
Fig.4
Detach the connector from
the motor and measure
across the terminals of the
motor and the motor shield.
-see fig.10-
Is there current leakage?