GE SX TRANSISTOR CONTROL IC3645SR4U404N2 Installation And Operation Manual page 28

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
TRACTION
STATUS CODE
Control's power supply is less than 10
-27
Volts DC.
MEMORY RECALL
YES
SYMPTOM
Line contactor opens and closes, then can only
Circuits valid
be closed by opening and closing the key
for switch.
Traction
POSSIBLE CAUSE
Controller Discharged Battery
= Check battery to insure proper state of charge.
Voltage may be dropping below 10 Volts DC
under load.
Loose connection at P1.
= Insure that the wire connection at P1 is tight.
Defective control.
= Replace controller unit.
TRACTION DESCRIPTION OF STATUS
STATUS CODE
Motor field current is too high during
-28
the run mode.
MEMORY RECALL
YES
SYMPTOM
Circuits valid
Control will not operate.
for
Traction POSSIBLE CAUSE
Continued operation of vehicle in high motor
Controller
current condition.
= Operate vehicle at lower motor current
Function 7 is mis-adjusted to allow higher than
normal motor field current.
Adjust function per OEM instructions.
DESCRIPTION OF STATUS
CORRECTIVE ACTIONS
CORRECTIVE ACTIONS
condition for 70 seconds.
CAUSE OF STATUS INDICATION
This status code will be displayed when the control's
power supply is less than 10 volts.
TROUBLE-SHOOTING DIAGRAM
FU3
FU5
+
-
CAUSE OF STATUS INDICATION
This status code will be displayed when the current
draw in the motor field is sustained above a preset
limit for longer than 70 seconds.
TROUBLE-SHOOTING DIAGRAM
FU5 KEY SWITCH P1
P2
SP
P5
TO
ACCESSORIES
P4
FU6
P3
PY7
PY12 P18
P17 P1
OSCILLATOR CARD
PY10
LEFT CONTROL
PY11
FU1
LINE
FU2
+ FU4
A1
P
A1 F1
POS
POWER
-
CONNECTIONS
SP
LEFT CONTROL
NEG A2
F2
SP
P
Page 28
KEY
SWITCH
P1 P2
NEG
BRAKE SW.
L
P3 P4 P5
P2 P6
P10
P7 P9 P12 P8
STEER
ANGLE
ACC POT
BDI INTERRUPT
POS A1 F1
POWER
CONNECTIONS
RIGHT CONTROL
NEG A2
F2
January 2000
POT