DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 29
October 2002
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-24
Motor field current is high on start up in
the forward direction.
This status code will be displayed when the offset
voltage is too high at start up in the forward direction.
MEMORY R CALL E
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Confirm that the motor field stud is not
shorted to the hydraulic pump
hose/tube assembly.
Defective control.
· Replace controller unit.
POWER CONNECTIONS
POS A1 F1
NEG A2 F2
FIELD
ARMATURE
+
-
FU3
KEY SWITCH
P7
P1 P2P17 P6 P3 P4
START SW.
FORWARD SW.
ACC POT
LINE
L
REVERSE SW.
SEAT SW.
P5
P9
FU5
NEG
FU1
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-27
Control’s power supply is less than 10
Volts DC.
This status code will be displayed when the control’s
power supply is less than 10 volts.
MEMORY RE ALL C
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Line contactor closes and opens, 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.
NEG
+
-
FU3
KEY
SWITCH
P1
P2
FU5
To Next Page
Loading...
