DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
34
September 2004
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-44
Armature transistor did not turn off
properly.
This status code will be displayed when, during
control operation, the armature transistor fails to turn
off. 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 then can only be
closed by opening and closing the key
switch.
POSSIBLE CAUSE
Defective control.
•
Replace controller unit.
FU3
KEY SWITCH
P7
P1
P2
P17
P6
P3 P4
ST
A
R
T
SW
.
F
O
RWA
R
D SW.
ACC POT
L
REVE
R
S
E SW
.
SEA
T
S
W
.
P5
P9
FU5
POWER CONNECTIONS
POS
A1
F1
NEG
A2
F2
FI
EL
D
ARMA
T
U
RE
+
-
LINE
FU1
P8
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
Truck will not operate.
POSSIBLE CAUSE
Defective control.
•
Replace controller unit.
FU3
KEY SWITCH
P7
P1
P2
P17
P6
P3 P4
S
T
AR
T
SW.
F
O
RWARD
SW
.
ACC POT
L
R
E
V
E
RSE SW
.
S
EAT
SW
.
P5
P9
FU5
POWER CONNECTIONS
POS
A1
F1
NEG
A2
F2
FI
E
L
D
A
R
M
A
T
URE
+
-
LINE
FU1
P8