Electrolux EWM09312 - E74 NTC Probe Improperly Positioned

Technical Support - A.D.L. 57/70 599 74 23-12 Rev.00
E74 E74: NTC probe improperly positioned E74
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 K?
Measure the value of the NTC probe
(5.7÷6.3K 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)
Is the probe visibly positioned correctly in
its seat?
-See Fi
g
.17-
Reposition the probe in its seat and
repeat the diagnostic cycle to check for
any further alarms.
Replace the washing heating element
and repeat the diagnostic cycle to check
for an
y
further alarms.
!!WARNING!!
DRAIN THE WATER FROM THE TUB
BECAUSE IT IS BOILING HOT
Replace the washing heating element
and repeat the diagnostic cycle to check
for any further alarms.
Replace the circuit board and repeat the
diagnostic cycle to check for any further
alarms.
Fig. 17
YES
N
O
MAIN CIRCUIT BOARD
Heating
element
Temperature probe
5.7÷6.3K
(20°C)
5.7÷6.3K
(
20°C
)
∞

∞

YES
N
O
YES
N
O
If there are burns on the circuit board,
see
p
a
g
e 6
8
!
Fig. 4