GE SX TRANSISTOR CONTROL IC3645SR4U404N2 - Manual (Page 24)

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 24
January 2000
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-09
Both the forward and reverse
directional switches are closed at the
same time. This status code will be displayed when P4 and P5
are greater than 60% of battery volts at the same
time.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Forward or reverse directional switch welded
closed or mis-adjusted to be held closed.
• = Replace or adjust directional switches to
insure that they open when directional switch
is returned to neutral.
Short circuit between battery positive and P4
and/or P5.
• = Disconnect wires from P4 and P5 and check
wire for short circuit to positive side of
directional switch.
Defective Control
• = Disconnect wires and measure voltage at P4
and P5. Voltage should be less than 60% of
battery volts.
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
-10
Steer angle potentiometer voltage is
too high. This status code will be displayed when P12 is greater
than 3.9 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 P8,
P12 or P9.
• = Input voltage at P12 should be less than 3.9
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