DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 28
July 1999
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-28
Motor field current is too high during
the run mode.
This status code will be displayed when the current in
the motor field is sustained above a preset limit for
longer than 70 seconds.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Continued operation of vehicle in high motor
current condition.
•= Operate vehicle at lower motor current
condition 70 seconds.
Function 7 is mis-adjusted to allow higher than
normal motor field current.
•= Adjust function per OEM instructions.
NO GRAPHIC FOR THIS
STATUS CODE
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-30
“Slave” control has had “Master”
control card type selected.
This status code will be displayed when the control in
the slave position has been programmed as a master.
MEMORY RECALL
NO
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Controller
SYMPTOM
Control will not operate.
POSSIBLE CAUSE
Control installed in the slave position has been
set up as a master control.
•= Check Function 17 setting.
Controller unit is defective.
•= Replace controller unit.
SLAVE
CONTROL
P1 P1 P21
MASTER
CONTROL
KEY SWITCH
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