DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
24
July 2001
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
Line contactor opens and closes, then can
only be closed by opening and closing the
key switch.
POSSIBLE CAUSE
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.
Defective control.
•
=
Replace controller unit.
POWER CONNECTIONS
TO CONTROL
POS
A1
F1
NEG
A2
F2
FI
E
L
D
A
R
M
A
T
URE
A1
A2
A1
A2
F2
F1
BA
T
T
+
-
FU1 *
LINE *
400A
FU3 *
10A
