DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
25
June 2002
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-45
Armature transistor did not turn on
properly.
This status code will be displayed when, during
control operation, the armature transistor fails to turn
on properly. This will result in a PMT condition
MEMORY RECALL
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Tow switch must be cycled to clear
fault.
•
Turn tow switch off for 20 seconds
and then turn tow switch back on.
Defective control.
•
Replace controller unit.
NO GRAPHIC FOR THIS
STATUS CODE
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-46
“Look Ahead” test for A2 volts is less
than 12.5% of battery volts.
This status code will be displayed when the voltage at
A2 is less than 12.5% of battery volts and I
m
is
greater than 52 amps, when the control is in the
neutral state, with no start switch or direction
selected.
MEMORY RECALL
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Line contactor will not pickup.
POSSIBLE CAUSE
Check for short circuit from the motor
armature to the frame of the vehicle.
Tow switch must be cycled to clear
fault.
•
Turn tow switch off for 20 seconds
and then turn tow switch back on.
Defective control.
•
Replace controller unit.
POWER CONNECTIONS
TO CONTROL
POS
A1
F1
NEG
A2
F2
FIELD
AR
M
A
TU
R
E
A1
A2
A1
A2
F2
F1
BAT
T
+
-
FU1 *
LINE *
400A
FU3 *
10A
