GE IC3645SH7R354D2 - Page 20

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 20
April 2002
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-21
Accelerator voltage is too high. This status code will be displayed when the
accelerator voltage at P7 is greater than 4.5
volts.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Accelerator input is mis-adjusted or defective.
 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 negative.
L
TURF SPEED LIMIT SWITCH *
KEY SWITCH *
START SWITCH *
DIRECTIONAL
SWITCH *
FORWARD
REVERSE
N.C. MOTOR
THERMOSTAT
*
BUZZER *
AUX ACCEL POT *
ACCEL POT *
P1 P2 P3 P4 P5 P21 P11 P10
P15
TACHOMETER *
P14
+12V
P16 P7 P9 P13 P8 P6
RED
GREEN BLACK
PLUG (23 PIN)
*
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-23
Motor field current is too high when the
start switch is closed and the reverse
direction is selected.
This status code will be displayed when the current
draw in the motor field is too high on start up in the
reverse direction.
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.
NO GRAPHIC FOR THIS
STATUS CODE