E74: Ntc Probe Improperly Positioned - Electrolux EWM10931 Service Manual

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E74
Checks to perform:
Is the probe visibly positioned
correctly in its seat?
-(see fig.21)-
Y
E
S
Measure the value of the NTC
probe (5.7÷6.3kΩ at 20 °C) between
contacts J10-4 and J10-5 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 7 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 J10-4 and J10-5 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.
Heating element
Temperature probe
2011 SOE/DT-mdm FCPD-dp Quality-tb
Guide to diagnostics of electronic controls EWM10931

E74: NTC probe improperly positioned

∞ Ω
∞ Ω
5.7÷6.3kΩ
(20 °C)
!
Check that all the connectors are correctly inserted
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.
Run phase 9 of the diagnostic cycle,
drain water from the tub.
WATER COULD BE
!
NO
SCALDING HOT!!
Replace the washing heating element
and repeat the diagnostic cycle to check
for any further alarms.
J16 J1 J1
J1
J10
J1
Fig. 4
Fig. 21
!
59/75
any further alarms.
!!CAUTION: THE
J4
J8
J6
J7
J5
J9
J1
If there are burns on the circuit
board, see page 73
599 73 77-37
E74
!
J3

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