E42: Problems Opening Door (Device With 3 Connections And No Flange) - Electrolux EWM09312 Service Manual

E42:
Problems opening door (device with 3 connections and no flange)
E42
Checks to perform:
Traditional door lock with
3 connections and no flange.
(see fig. 28A)
Y
E
S
To check the wiring, keep the door
open and measure between the
following wiring connectors
(see fig. 4):
- between J5-2 and J5-3,
the circuit must NOT be open
(measure the resistance value of
the PTC).
- between wire J5-1 and J5-2,
the circuit must be OPEN.
Is the system ok?
Y
E
S
Check the mechanical coupling
between the door lock and the door
latch. Is the system efficient?
YES
Replace the door lock.
Is the appliance working correctly?
YES
Repeat the diagnostic cycle to
check for any further alarms.
2012 SOE/DT-mdm FCPD-dp
Guide to diagnostics of EWM09312 electronic controls
Maximum time exceeded (255 seconds)
NO
circuit board) and the door lock
NO
Replace the main circuit board
and repeat the diagnostic cycle
NO
to check for any further alarms.
!
Check that all the connectors are correctly inserted
Fig. 28
Disconnect the door lock
connectors and measure on
the component:
- between connectors 3 and
5, the circuit must NOT be
open (measure the
resistance value of the
PTC).
- between connectors 4 and
5, the circuit must be OPEN
(the numbers are printed on
the component).
Is the door lock ok?
(see fig. 28)
YES
Measure the continuity
between connector J5 (main
connector
Is the wiring ok?
YES
Replace the main circuit board and repeat the diagnostic
cycle to check for any further alarms.
Replace the door latch/the
door.
!
38/69
Replace the door
lock and repeat
the diagnostic
NO
cycle to check for
any further
alarms.
Replace the
wiring and repeat
the diagnostic
NO
cycle to check for
any further
alarms.
If there are burns on the circuit board,
see page 67
599 75 18-74 Rev.00
E42