E52: No Signal From Motor Tachometric Generator (Second Part) - Electrolux 6 Series Service Manual

Guide to diagnostics of NEW COLLECTION EWM09312 electronic controls

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

E52
Cycle interrupted after 5 attempts during the cycle, immediately if recognised at the start
The motor never runs
To check the wiring, measure
(Ω) between the following wiring
connectors of the main circuit
board (fig. 4) and compare the
values with
the correct ones
(see page 40: point 4 – motor
parameters)
- between J11-2 and J11-5, a
value as in point 4 – B (Stator)
must be found
- between J11-1 and J11-5,
where featured, a value
as in point 4 – D must be found
(half field stator).
- between J11-3 and J11-4,
a value as in point 4 – C (rotor)
must be found.
Are the values correct?
YES
Replace the circuit board and
repeat the diagnostic cycle to
check for any further alarms.
MAIN CIRCUIT BOARD
ROTOR
T.S.-mdm FCPD-dp Quality tb
of the cycle or during diagnostics.
Check the motor as
on page 40.
NO
Is the motor ok?
Check/replace the
wiring and repeat the
diagnostic cycle to
check for any further
HALF FIELD STATOR
TACHOMETER
FULL FIELD STATOR
39/61
!
Check that all the connectors are correctly inserted
NO
YES
alarms.
J5 J11
J14
J4
GND
Fig.4
If there are burns on the circuit board,
!
E52
Replace the motor and
repeat the diagnostic
cycle to check for any
further alarms.
J13
J10 J8 J7
J6
Fig. 11
see page 59
599 74 42-27 Rev.00