DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 31
January 1999
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 current
draw in the motor field is too high at start up in the
forward direction.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Defective control.
•= Replace controller unit.
POWER CONNECTIONS
POS A1 F1
NEG A2 F2
FIELD
ARMATURE
+
-
FU3
KEY SWITCH
P8 P7
P1 P2P17 P6 P3 P4
START SW.
FORWARD SW.
BRAKE SW.
ACC POT
LINE
L
REVERSE SW.
SEAT SW.
P5
FU1
PLUG PL2
P9
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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