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1) Check the connection blocks (wiring) and
for the presence of any protruding/kinked
terminals.
2) Check for the presence of any marks /
residue / water or detergent deposits on the
motor and where these come from.
3) Proceed by checking for any windings
/ earthed parts or parts with poor
earthing insulation. Use a tester with a
minimum capacity of 40 M: between
each individual terminal and the motor
casing, read (fig. 10)
4) Proceed by checking each individual
winding according to the following
table (fig. 11).
2013 TS/DT-mdm FCPD-dp
Guide to diagnostics of EWX11831 electronic controls
How to check three-phase motors
MOTOR
TERMINAL
BOARD
TERMINALS
B
1-2
C
2-3
D
3-1
MOTOR
CONTROLLING
Stator winding
9.10±7%
Stator winding
9.10±7%
Stator winding
9.10±7%
Fig. 11
If there are burns on the circuit board,
!
38/71
S = stator
ECM
see page 69
599 77 00-82 Rev. 01
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