DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 21
April 2002
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-24
Motor field current is too high on when
the start switch is closed and the
forward direction is selected.
This status code will be displayed when the current
draw in the motor field is too high on 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
12V buss is too low. This status code will be displayed when the voltage at
P1 is less than 9.35V.
MEMORY RECALL
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Line contactor opens and closes and 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 12V under load.
Loose connection at P1.
•= Insure that the wire connection at P1
is tight.
Defective control.
•= Replace controller unit.
FU3
KEY
SWITCH
P1 P2
NEG
+
-
CHARGER SWITCH
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