GE SX TRANSISTOR CONTROL IC3645SR4U404N2 - Manual (Page 25)

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 25
January 2000
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-11
Start switch closed on power up after
initial key switch closure. This status code will be displayed when P3 is greater
than 60% of battery voltage when the key switch is
closed.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Start switch input mis-adjusted or defective.
• = Input voltage at P3 should be less than 60% of
battery volts at key switch closing. Adjust or
replace accelerator unit to insure that the
voltage at P3 is less than 60% of battery volts
before closing the start switch.
Short circuit between battery positive and P3 in
start switch input circuit.
• = Disconnect wire from P3. Check for short
circuit from this wire to battery positive.
Defective control.
• = Disconnect wire from P3. Measure voltage
from P3 to negative. Voltage should be zero,
if not, replace control.
KEY
SWITCH
P1 P2 P3 P17 P5
REVERSE SW
.
F
O
RWARD SW.
P4
SEAT
SW
IT
CH
P6
L
ST
ART
SW
.
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-12
Steer angle potentiometer voltage is
too low. This status code will be displayed when P12 is less
than 0.39 volts.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Steer angle potentiometer input mis-adjusted or
defective. Loose or missing connections at P9,
P12 or P8.
• = Input voltage at P12 should be greater than
0.39 volts at all times. Insure that the
adjustment of the steer potentiometer is in
accordance with Section 9 of this instruction.
Defective control.
• = Replace control unit.
P9 P12 P8
STEER ANGLE
POT