DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 31
September 2004
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.
NO GRAPHIC FOR THIS
STATUS CODE
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 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
FU5
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