Error E52 No Signal From Motor Generator; E52: No Signal From The Motor Tachometric Generator (Second Part) - Electrolux EWM1100 Service Manual

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

E52
Cycle blocked after 5 attempts during the cycle or immediately if
Tests to be performed:
The motor does not rotate at all.
To check the wiring, measure (Ω)
across the following terminals of the
circuit board connector (fig.4) and
compare with the correct values
(see page 39: step 4 – motor
parameters)
- across J7-2 and J7-5, the value must
be as in 4 - B (Stator)
- across J7-1 and J7-5, if present, the
value must be as in step 4 - D (stator ½
range).
across J7-2 and J7-4, the value
-
must be as in step 4-C (rotor).
Are these values correct?
YES
Replace the circuit board and restart
the diagnostic cycle to check for
further alarm conditions.
fig. 11
J10 J9
Fig.4
2007-10 SOI/DT-mdm FCPD-dp Quality-fz
NO
J7
J2
U3
detected at the start or during
diagnostics.
Check the motor
as described on
page 39.
Is the motor OK?
YES
Check/replace
the wiring and
restart the
diagnostic cycle
to check for
further alarm
conditions.
J1
38/59
Replace the motor
NO
and restart the
diagnostic cycle to
check for further
alarm conditions.
If there are traces of burning on the
circuit board, refer to page
Circuit
board
E52
59
599 70 32-47