E52: No Signal From Motor Tachometric Generator (Second Part) - Electrolux EWM10931 Service Manual

E52: No signal from motor tachometric generator (second part)

E52
Checks to perform:
The motor never runs
To check the wiring, measure (Ω)
between the following wiring connectors
of the motor control board -(fig.14)-
and compare the values with
(see page 41: point 4 -
motor parameters)
- between J2-6 and J2-7, a value as in
point 4 - B (Stator) must be found
- between J2-5 and J2-6, a value as in
point 4 - C (Stator) must be found
- between J2-5 and J2-7, a value as in
point 4 - D (Stator) must be found
Are the values correct?
Replace the motor control board and
repeat the diagnostic cycle to check for
any further alarms.
Fig. 11
2011 SOE/DT-mdm FCPD-dp Quality-tb
Guide to diagnostics of electronic controls EWM10931
after 5 attempts during the cycle, immediately
Cycle interrupted
if recognised at the start of the cycle or during diagnostics.
Y
E
S
Connector
- Motor
!
Check that all the connectors are correctly inserted
Check the
motor as on
page 41.
NO
Is the
motor ok?
Y
E
S
Check/replace the wiring and repeat
the diagnostic cycle to check for any
Fig. 14
!
40/75
Replace the motor
and repeat the
diagnostic cycle to
NO
check for any
further alarms.
further alarms.
J2
J6
J1
MOTOR CONTROL
MOTOR
If there are burns on the circuit
board, see page 73
E52
599 73 77-37