DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
Page
21
June 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 tow switch closure.
Open wire exists between
potentiometer negative and P8.
Open wire exists between P7 and
potentiometer wiper.
Defective potentiometer in accelerator
pedal. Verify that potentiometer is
operating correctly, and replace
potentiometer unit, if necessary.
L
STAR
T
S
WIT
CH
*
DIRECTIONAL
SWITCH *
FOR
W
AR
D
RE
V
E
RS
E
B
U
ZZER
*
A
CCE
L P
O
T
*
P1 P2 P3
P4
P5
P11 P10
P15
T
A
CHO
M
E
T
E
R
*
P14 P16
P7 P9
P8
PLUG (23 PIN)
*
KEY
S
W
IT
CH *
P6
P18 P19 P20 P21
SH
IE
LD
ED
C
ABLE
{
INFRARED
TRANSCEIVER
Ir
Da
/R
S
23
2 S
W
IT
C
H
RS
23
2 RE
CE
IV
E
R
S
23
2 TR
AN
SM
IT
P13
P22
P23
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-23
Motor field current is too high when the
key switch is turned on.
This status code will be displayed when the current
draw in the motor field is too high on start up.
MEMORY RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Recalibration of field amplifiers may be
required.
•
Contact authorized GEServicenter
for regarding repair.
Defective control.
•
Replace controller unit.
NO GRAPHIC FOR THIS
STATUS CODE
