Electrolux EWM2100 - E42: Problems with Door Aperture (4- Contact Device)

03-2009 SOI/DT-mdm FCPD-dp Quality-fz 41/91 599 70 56-70
YES
YES
YES
YES
NO
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NO
YES
E42: Problems with door aperture (4- contact device)
E42
Maximum time exceeded (5 pulses for instantaneous)
E42
Detach the connectors of
the door interlock and
measure on the component:
- across connectors 3 and 4
the circuit must NOT be
open (Measure the resistive
value of the PTC).
- across connectors 2 and 4
the circuit must NOT be
open (Measure the resistive
value of the PTC).
- across connectors 4 and 5
the circuit must be OPEN
(the numbers are printed on
the component).
Is the door safety interlock
OK? (fig. 28)
Instantaneous door interlock
device with 4 Connections.
- fig 28 -
To check the wiring (with the door
open), measure the following
wiring connectors (fig. 4):
- between wires J1-3 and J1-1, the
circuit must NOT be open
(Measure the resistive value of the
PTC).
- between wires J1-1 and J1-4, the
circuit must NOT be open
(Measure the resistive value of the
PTC).
- between wires J1-1 and J1-2, the
circuit must must be OPEN.
Is the system OK?
Replace the door
interlock and
restart the
diagnostic cycle
to check for
further alarms.
fig. 28
Replace the door interlock.
Is the machine working correctly?
Check for mechanical coupling
between the door interlock and the
door natch. Is the system OK?
Replace the door natch/the
door.
Replace the circuit board and
restart the diagnostic cycle to
check for further alarms.
Restart the diagnostic cycle to
check for further alarms.
YES
If there are traces of burning on the
circuit board, refer to page 90
Measure the continuity across
connector J1 (PCB) and the
door interlock connector.
Is the wiring OK?
Replace the
wiring and restart
the diagnostic
cycle to check for
further alarms.
Replace the circuit board and
restart the diagnostic cycle to
check for further alarms.