FAULT
CAUSE
REMEDY
Loss of field current
• Power supply fault
• Field coils disconnected
• Field coils short-circuited
• Check speed controller
• Replace wound stator
Commutator :
traces of flashover
damage to metal
scratches, out-of-round
• Power supply fault
• Used in non-recommended way
• Vibration
• Harsh environment
• Locking of armature
• Check power supply
• Check type of use
• Check environment
• Repair commutator *
• Anti-locking device
Different speed in one direction
compared with the other
On reassembly incorrect indexing of
stator in relation to NDE flange
and/or adjustment of brush-holder
Readjust the motor according to the procedure
given in the general manual
Probes tripped
• Ventilation
• Overload
• Check the cooling circuit,
forced ventilation unit and its direction of rotation
• Check operation of the machine being
driven
Premature wear of brushes
• Operating underload
• Vibration
• Possible reduction in ventilation
by the FV moving to the front
(consult LEROY-SOMER)
• Examine balance of driven parts
• Check motor support
9
* Repair of the commutator should be undertaken by a qualified repairer, particularly the remilling of the mica : see general manual.
MOTEUR A COURANT CONTINU
DIRECT CURRENT MOTOR
TYPE:
LSK
kW
min
-1
M
IC
Service / Duty
IM
N°
kg
Classe / Ins class
V
A
Induit / Arm.
Excit. / Field
1604 S 02
700000/10
249
36,3
1150
440
360
95,5
3
06
40
1001
H
S1
Altit. Temp.
M
nom
/ Rated torque
N.m
°C
m
1000
301
V
A
Nom./Rat.
3,63
115
44
360
95,5
3
36,3
1720
440
240
95,5
9/1992
T
I
IP
23
Système peinture:
DE
6312 2RS C3
6312 2RS C3
NDE
IEC 34.1
.
1990
MADE IN
FRANCE
LR 57008
2 102 451 /
A
13. - OPERATIONAL MALFUNCTIONS
14. - IDENTIFICATION PLATE
LSK
D.C. motors
LSK
D.C. motors
