INSTALLATION AND OPERATION
SX TRANSISTOR CONTROL
Page
26
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-57
Controller “motor current sensor” input
is too low during running.
This status code will be displayed when the voltage
input from the current sensor is too low (less than
1.0V, 416 amps) during running.
MEMORY RECALL
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Line contactor tips bounce or are not
fully picked up.
Blown power fuse.
Loose power connections between
battery and control.
Defective control.
•
Replace controller unit.
NO GRAPHIC FOR THIS
STATUS CODE
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-64
The line driver input (P2-17) is less
than 12% of battery volts
This status code will be displayed when the control
detects that the line driver input (P2-17) is less than
12% battery volts when the key switch is turned on.
MEMORY RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Open wire connection to Pin 17 on
control
Shorted line driver transistor
Open line contactor coil
Open connection between line
contactor coil and battery positive.
Defective control.
L
P9 P7
P8
P1
P17
P2
P6
P4
P5
T
URF
SW.
F
O
R
W
ARD SW
.
REV
E
RS
E S
W
.
ACC POT
TACHOMETER
P15 P14 P16
P10
BUZ
Z
E
R
RE
D
G
R
EEN
BL
A
C
K
P12
RE
G
E
N
BR
AKE S
W
P21
MO
T
O
R
OV
E
R
T
E
M
P
+72V
+72V
+72V
+72V
+72V +72V
+72V
P22
P23
P20
RS232
72V
NEG
P3
NE
G
INP
U
T
S
T
AR
T SW.
+72V
Updated Sept 2019
