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GE SX Series User Manual

GE SX Series
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DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL Page 41
Revised May 2003
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-94
Traction motor brush wear indicator
has detected worn brush.
This status code will be displayed when the voltage at
the respective terminal of the TMM or Pump Logic
Card is at battery volts.
MEMORY RECALL
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Motor
Brush Wear
Indicator
SYMPTOM
Status code flashes “on and off”.
POSSIBLE CAUSE
User defined status code is displayed
by motor brush sensor closure to
battery positive.
Plug P5 (pump) is shorted to positive.
Defective input switch (open).
Defective TMM card.
Defective pump card.
SC94
POS
P5
USER SW
WHEN SR Series PUMP
CONTROL IS USED
4.7K 2W
NEG
TRACTION
STATUS CODE
DESCRIPTION OF STATUS CAUSE OF STATUS INDICATION
-98
Traction motor temperature has
exceeded maximum temperature limit.
This status code will be displayed when the voltage at
P14 is greater than 1.15 V.
MEMORY RECALL
YES
CORRECTIVE ACTIONS TROUBLE-SHOOTING DIAGRAM
Circuits valid
for
Traction
Motor
Temperature
SYMPTOM
Status code flashes “on” and ‘off”.
POSSIBLE CAUSE
Defective motor thermistor.
Resistance is greater than 1400 ohms
Measure the voltage from P14 to
NEG. This voltage should be greater
than 1.15V. If not, the thermistor is
defective.
Cold = 25
o
C = 750 ohms
Hot = 155
o
C = 1400 ohms
P14
SC90
NEG
TRACTION
MOTOR
THERMISTOR
WHEN SX Sep Ex
TRACTION
CONTROL IS USED

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GE SX Series Specifications

General IconGeneral
Programming LanguageLadder Logic, Function Block Diagram, Structured Text
Humidity5% to 95% non-condensing
Protection ClassIP20
TypeProgrammable Logic Controller
ManufacturerGE
Communication PortsRS-232, RS-485, Ethernet
Input Voltage24V DC
Operating Temperature0°C to 55°C
DimensionsVaries depending on module configuration
WeightVaries depending on module configuration
Communication ProtocolModbus
Number of Digital InputsVaries by model
Number of Digital OutputsVaries by model
Number of Analog InputsVaries by model
Number of Analog OutputsVaries by model
Power ConsumptionVaries depending on module configuration
Storage Temperature-40°C to 70°C (-40° to 158°F)

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