GE SX TRANSISTOR CONTROL IC3645SR4U404N2 - Manual (Page 20)

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 20
January 2000
Section 4.5 Traction Control Codes
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
NONE
Segments do not illuminate on the
Dash Display and/or the Handset. No input voltage to the control card or the display unit.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Display screen on Dash Display and/or Handset
is blank.
POSSIBLE CAUSE
Positive or negative control voltage is not
present.
• = Insure that the key switch is closed and
voltage is present between P1 & battery
negative (Power Terminal “NEG”). Also check
for voltage between P2 and control negative.
Open circuit between control card AND the Dash
Display or Handset.
• = Check for an open circuit or loose connection
going from the control and the Dash Display or
Handset.
Defective Dash Display or Handset.
• = Replace Dash Display or Handset.
NEG
+
-
FU3
KEY
SWITCH
P1 P2
FU5
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-01
No seat switch or deadman switch
input (no voltage to P6). This status code will be displayed when P6 is less
than 50% battery volts.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Mis-adjusted or defective seat or deadman
switch.
• = Check to see that the seat switch closes
properly.
Open circuit between battery positive and P6.
• = Check for loose connections or broken wires:
− = Between the seat switch and P6
− = Between the key switch and the battery
positive side of the seat switch.
− = Between the seat switch and P2.
• =
On vehicles without a seat/deadman switch,
check for a loose connection or broken wire
from P2 and/or P6.
NEG
+
-
FU3
KEY
SWITCH
P1 P2 P6
SEAT
SW
IT
C
H
FU5