DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 27
July 1999
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-25
Armature current compensation
calibration fault.
This status code will be displayed when the voltage at
P16 of the master control is less than 2.4 V or greater
than 2.6V at start up.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Missing connection between master and slave
controls.
•= Verify connection between P16 of the
master control and P23 of the slave control
Defective control.
•= Replace controller unit.
P7 P8 P19 P12 P20 P23P21P13
ACC POT
STEER ANGLE POT
P7 P12
LEFT CONTROL (MASTER)
RIGHT CONTROL (SLAVE)
P10 P13P16P9
PY12
PY11
PY11
PY12
P8 P9
BRAKE POT
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-27
Power supply is less than 10 Volts DC. This status code will be displayed when the power
supply is less than 10 volts.
MEMORY RECALL
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Line contactor opens and closes, then can only
be closed by opening and closing the key
switch.
POSSIBLE CAUSE
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.
NEG
+
-
FU3
KEY
SWITCH
P1 P2
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