DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
27
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 RE ALL
C
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
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-68
The PMT enable signal from the
opposite control (from the one
displaying the -68 fault code) drops
below 5V .
This status code will be displayed when the voltage at
PL21 drops below 5V.
MEMORY RE ALL
C
YES
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
·
Auxiliary control shut down.
Check Auxiliary control for stored faults.
·
Verify the connection between the master
control P21 and the auxiliary/slave control
P11.
KEY SWITCH
L
P1
P17 P2 P6
FOOT SW.
P18
1A OR
SP DVR
LEFT CONTROL (MASTER)
P12
LEFT TURN SW.
B
P10
3
1
2
FU3
DRIVER
BLOCK
FU1
LINE
+
12V
P21
P11
RIGHT
CONTROL
(SLAVE)
POWER CONNECTIONS
LEFT CONTROL
POS
A1
F1
NEG
A2
F2
FIELD
ARMATURE
+
-
-
48V
May 2000