E59: No Signal From The Tachometric Generator - Electrolux EWM10931 Service Manual

E59
Checks to perform:
Measure between the
terminals of the wiring
connector J2-3 and J2-4,
(Point 4, phase "A"
page 41).
Are the values (Ω) of the
tachometric generator
correct?
Y
E
S
Measure between the same
terminals of the wiring connector
(J2-3 and J2-4) and the
appliance body.
Is there any dispersion?
-(see fig.13)-
Y
E
S
Detach the connector from the
motor and measure between the
terminals and the motor casing.
-(see fig.10)-
Is there any dispersion?
Y
E
S
Replace the motor and repeat the
diagnostic cycle to check for any
further alarms.
2011 SOE/DT-mdm FCPD-dp Quality-tb
Guide to diagnostics of electronic controls EWM10931

E59: No signal from the tachometric generator

The lack of signal should last at least 3 seconds
Detach the connector from the
NO
(Point 4, phase "A" page 41)
NO
NO
!
Check that all the connectors are correctly inserted
motor and measure (Ω) the
tachometric generator coil,
-(see fig.11)-
Is the value correct?
Y
E
S
Check/replace the wiring and repeat the diagnostic
cycle to check for any further alarms.
Check the
positioning of the
tachometric
generator.
Is it correct?
-(see fig.12)-
Y
E
S
Replace the motor control board and repeat
the diagnostic cycle to check for any
further alarms.
Check/replace the wiring and repeat
the diagnostic cycle to check for any
further alarms.
!
46/75
Replace the
motor or
tachometric
NO
generator and
repeat the
diagnostic cycle
to check for any
further alarms.
Replace the
motor/generator
and repeat the
NO
diagnostic cycle
to check for any
further alarms.
If there are burns on the circuit
board, see page 73
599 73 77-37
E59