DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
34
Revised May 2003
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-51
Capacitor volts are low before the line
contactor closes.
This status code will be displayed during “key on”
when the capacitor volts is less than 50% of battery
volts at initial key switch on.
MEMORY RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Line contactor does not close when
capacitor does not precharge.
POSSIBLE CAUSE
Defective control fuse.
·
Check control fuse for open circuit.
Replace fuse, if necessary.
Defective control.
·
Replace controller unit.
CONTROL POWER
CONNECTION
POS
A1
F1
NEG
A2
F2
FI
E
L
D
A
R
M
A
T
URE
FU1
A2
F2
*
*
*
*
+
-
LINE
*
FU5
*
FU3
KEY SWITCH
*
*
P9
P1
L
P17
P2
*
P18
*
24V
FAN ENABLE
FAN
A1
*
P13
P7
ACCEL
SWITCH
P8
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-57
Controller “motor current sensor” input
too low during running.
This status code will be displayed when the voltage
input from the current sensor is too low during
running.
MEMORY RECALL
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Defective control.
·
Replace controller unit.
NO GRAPHIC FOR THIS
STATUS CODE