DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
28
October 2002
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-23
Motor field current is high on start up in
the reverse direction.
This status code will be displayed when the current
draw in the motor field is too high at start up in the
reverse direction.
MEMORY R CALL
E
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Defective control.
·
Replace controller unit.
FU3
FU5
KEY SWITCH
*
CONTROL
POWER
CONNECTION
POS
A1
NEG A2
ARMATURE
FU1
LINE
A2
A1
*
*
1A
*
OSC CARD CONNECTIONS
L
1A
DIRECT SW.
P18 P17
P2
P6
P4
SEAT SW
.
*
SP
P3
*
FWD
REV
P5
*
ACCEL
START
SW.
P1 P7
P9
*
F1
F2
FI
ELD
F1
F2
ACCEL
START
SW.
+
-
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-24
Motor field current is high on start up in
the forward direction.
This status code will be displayed when the current
draw in the motor field is too high at start up in the
forward direction.
MEMORY R CALL
E
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Confirm that motor field stud is not
shorted to hydraulic pump hose/tube
assembly.
Defective control.
·
Replace controller unit.
FU3
FU5
KEY SWITCH
*
CONTROL
POWER
CONNECTION
POS
A1
NEG A2
ARMATURE
FU1
LINE
A2
A1
*
*
1A
*
OSC CARD CONNECTIONS
L
1A
DIRECT SW.
P18 P17
P2
P6
P4
SEAT SW
.
*
SP
P3
*
FWD
REV
P5
*
ACCEL
START
SW.
P1 P7 P9
*
F1
F2
FI
ELD
F1
F2
ACCEL
START
SW.
+
-