E74: Ntc Probe Improperly Positioned - Electrolux EWM0931 Series Service Manual

E74
Checks to perform:
Is the probe visibly positioned correctly in
its seat?
-See fig.17-
Y
E
S
Measure the value of the NTC probe
(5.7-6.3KΩ at 20°C) between contacts
J7-4 and J7-5 of the wiring connector
(fig. 4).
Is the value correct?
(between 5.7 and 6.3 KΩ at 20°C)
Y
E
S
Run phase 6 of the diagnostic cycle and
wait for the water to fill. Wait in this phase
for five minutes. Switch the appliance off
and measure the value of the NTC probe
between contacts J7-4 and J7-5 of the
wiring connector (fig. 4).
Is the value below 5 KΩ?
Y
E
S
Replace the circuit board and repeat the
diagnostic cycle to check for any further
alarms.
MAIN PCB
5.7-6.3KΩ
(20°C)
Temperature probe
∞
Ω
2010 SOI/DT-mdm FCPD-dp Quality-tb
Guide to diagnostics for electronic controls EWM0931x

E74: NTC probe improperly positioned

Check that all the connectors are inserted correctly
Heating
element
∞
Ω
Reposition the probe in its seat and
repeat the diagnostic cycle to check for
NO
Replace the washing heating element
and repeat the diagnostic cycle to check
NO
for any further alarms.
DRAIN THE WATER FROM THE TUB
BECAUSE IT WILL BE BOILING HOT
Replace the washing heating element
and repeat the diagnostic cycle to check
NO
J14
J5
J4
GND
Fig. 4
Fig. 17
56/67
any further alarms.
!!WARNING!!
for any further alarms.
J11 J13 J10 J8
J6
If there are burns on the circuit
board, see page 65
599 72 97-24
E74
J7