E73: Ntc Sensor On Drying Duct Faulty - Electrolux EWM2100 Service Manual

E73
Tests to be performed:
Measure the value of the NTC
sensor across contacts J7-1 and
J7-2 of the WD board
connector.- (see fig. 30) -
Is the value correct?
(between 4.7 and 5.3 KΩ at
20°C)
YES
Measure across terminals J7-1,
J7-2 of the connector and the
structure of the appliance – see
fig. 6 - Is there any current
leakage?
YES
Check/replace the wiring and
restart the diagnostic cycle to
check for further alarms.
03-2009 SOI/DT-mdm FCPD-dp Quality-fz

E73: NTC sensor on drying duct faulty

Ohm value of the NTC out of limits
Detach the connector
NO
and measure the NTC
sensor directly.
Is the value correct?
- (see fig.31) -
Check/replace the wiring and restart the diagnostic
NO
Replace the WD board and restart the diagnostic cycle to
fig. 6
fig. 30
fig. 31
64/91
NO
YES
cycle to check for further alarms.
check for further alarms.
fig. 29
WD
board
∞
Ω
If there are traces of burning on the
E73
Replace the NTC
sensor and restart the
diagnostic cycle to
check for further alarms.
J4 J6 J5
J1 J7 J8
circuit board, refer to page
599 70 56-70
90