DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page 27
January 2000
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 RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Defective control.
•
=
Replace controller unit.
KEY SWITCH
L
P7
P1
P17
P2 P6
P9
P3
P12 P8
P4
P5
SEAT
SW.
ST
AR
T
SW.
FOR
. S
W
.
R
EV.
SW.
P10
P18
PY7
PY12
PY10
PY11
SP
P1
P5
P4
P2
FU7
TO
ACCESSORIES
FU6
P3
OSCILLATOR CARD
LEFT CONTROL
FU1
STEER
ANGLE
POT
LINE
POWER
CONNECTIONS
LEFT CONTROL
POS
A1
F1
NEG
A2
F2
FIE
L
D
A
RM
A
T
URE
ACC POT
BDI INTERRUPT
+
-
SP
SP
FU4
A1
FU2
P
P
POWER
CONNECTIONS
RIGHT CONTROL
POS
A1
F1
NEG
F2
FIE
L
D
A
RM
A
T
URE
FU5
BRAKE SW.
A2
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 RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Defective Control.
•
=
Replace controller unit.
KEY SWITCH
L
P7
P1
P17
P2 P6
P9
P3
P12 P8
P4
P5
SEAT
SW.
ST
AR
T
SW.
FOR
. S
W
.
R
EV.
SW.
P10
P18
PY7
PY12
PY10
PY11
SP
P1
P5
P4
P2
FU7
TO
ACCESSORIES
FU6
P3
OSCILLATOR CARD
LEFT CONTROL
FU1
STEER
ANGLE
POT
LINE
POWER
CONNECTIONS
LEFT CONTROL
POS
A1
F1
NEG
A2
F2
FIE
L
D
A
RM
A
T
URE
ACC POT
BDI INTERRUPT
+
-
SP
SP
FU4
A1
FU2
P
P
POWER
CONNECTIONS
RIGHT CONTROL
POS
A1
F1
NEG
F2
FIE
L
D
A
RM
A
T
URE
FU5
BRAKE SW.
A2