DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
29
November 2002
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-43
Motor armature offset voltage is too
low.
This status code will be displayed when the voltage at
the current sensor input is less than 2.4 volts with no
current flowing in the motor circuit.
MEMORY RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Defective control.
•
Replace controller unit.
POWER CONNECTIONS
POS
A1
F1
NEG
A2
F2
FIE
L
D
ARMAT
URE
KEY
SWITCH
L
P1
P17
P2
P6
P3
P4
P5
SEAT
SW.
ST
ART
SW.
F
O
RWARD SW.
REVERSE SW.
1A
P18
1A
P7
ACC POT
P10
BRAKE
SW.
PL-1
PL-2
PL-3
PL-4
PL-5
PL-6
PL-9
12
10
29
15
6
8
7
41
45
13
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 closes, then can only
be closed by opening and closing the key switch.
POSSIBLE CAUSE
Defective control.
•
Replace controller unit.
POWER CONNECTIONS
POS
A1
F1
NEG
A2
F2
FIE
L
D
ARMAT
URE
KEY
SWITCH
L
P1
P17
P2
P6
P3
P4
P5
SEAT
SW.
ST
ART
SW.
F
O
RWARD SW.
REVERSE SW.
1A
P18
1A
P7
ACC POT
P10
BRAKE
SW.
PL-1
PL-2
PL-3
PL-4
PL-5
PL-6
PL-9
12
10
29
15
6
8
7
41
45
13