INSTALLATION AND OPERATION
SX TRANSISTOR CONTROL
Page
16
Section 4.5 Traction Control Codes
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-05
Start switch fails to close.
This status code will be displayed when the
accelerator voltage at P7 is >1.4V, with the start
switch open (P3 > 2.5 volts)
MEMORY RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Defective start switch circuit.
•
Check start switch to insure closure when
accelerator pedal is depressed.
•
Check for open circuit or loose
connections in start switch wiring.
•
Check for proper accelerator pot
adjustment
Defective accelerator switch.
•
Check accelerator switch potentiometer
for proper operation and ohmic value
L
P9 P7
P8
P1
P17
P2
P6
P4
P5
TURF SW
.
FORWARD SW.
REVERSE SW
.
ACC POT
TACHOMETER
P15 P14 P16
P10
BU
ZZER
RED
GREEN
BLACK
P12
RE
G
E
N
B
R
AKE SW
P21
MO
T
O
R
OV
E
R
TEMP
+72V
+72V
+72V
+72V
+72V +72V
+72V
P22
P23
P20
RS232
72V
NEG
P3
NEG IN
PU
T
STA
R
T
SW
.
+72V
TRACTION
STATUS CODE
DESCRIPTION OF STATUS
CAUSE OF STATUS INDICATION
-06
The accelerator pedal is depressed with
no direction selected.
This status code will be displayed when the
accelerator voltage, at P7>1.4V, and no direction
is selected (P4 and P5 are both less than 50% of
battery volts)
MEMORY RECALL
NO
CORRECTIVE ACTIONS
TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Accelerator pedal is depressed before closing
forward or reverse directional switch.
•
Status code will disappear when
directional switch is closed or when
accelerator pedal is released.
Defective directional switch
•
Check forward or reverse switch to insure
closure when direction is selected.
Open circuit between directional switch(es)
and battery positive or between directional
switch(es) and P4 or P5.
•
Check all control wires and connections
shown in trouble shooting diagram.
L
P9 P7
P8
P1
P17
P2
P6
P4
P5
TURF SW
.
FORWARD SW.
REVERSE SW
.
ACC POT
TACHOMETER
P15 P14 P16
P10
BU
ZZER
RED
GREEN
BLACK
P12
RE
G
E
N
B
R
AKE SW
P21
MO
T
O
R
OV
E
R
TEMP
+72V
+72V
+72V
+72V
+72V +72V
+72V
P22
P23
P20
RS232
72V
NEG
P3
NEG IN
PU
T
STA
R
T
SW
.
+72V
Updated Sept 2019