GE IC3645SR7A353E1 Installation And Operation Manual page 20

INSTALLATION AND OPERATION
SX TRANSISTOR CONTROL
TRACTION
STATUS CODE
Accelerator voltage is too high.
-21
MEMORY RECALL
NO
SYMPTOM
Control will not operate.
Circuits valid
for
POSSIBLE CAUSE
Traction
Accelerator input is mis-adjusted or
Controller
defective.
TRACTION DESCRIPTION OF STATUS
STATUS CODE
Motor field current is too high when the
-23
key switch is turned on.
MEMORY RECALL
NO
SYMPTOM
Control will not operate.
Circuits valid
for
POSSIBLE CAUSE
Traction
Defective control.
Controller
•
DESCRIPTION OF STATUS
CORRECTIVE ACTIONS
Input voltage at P7 should be less than
4.5 volts after initial key switch closure.
Open wire exists between
potentiometer negative and P8.
Open wire exists between P7 and
potentiometer wiper.
CORRECTIVE ACTIONS
Replace controller unit.
CAUSE OF STATUS INDICATION
This status code will be displayed when the
accelerator voltage at P7 is greater than 4.5
volts.
TROUBLE-SHOOTING DIAGRAM
+72V
+72V
L
P1
P17 P2
P12 P3
+72V
72V
NEG
CAUSE OF STATUS INDICATION
This status code will be displayed when the current
draw in the motor field is too high on start up.
TROUBLE-SHOOTING DIAGRAM
NO GRAPHIC FOR THIS
STATUS CODE
Page 20
+72V +72V
+72V +72V +72V
P6
P4 P5
P21
P9 P7 P8
P15 P14 P16
P22 P23
P20
RS232
ACC POT
TACHOMETER
Updated Sept 2019
P10