GE H4V262Y1 Installation And Operation Manual page 21

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
TRACTION
STATUS CODE
Accelerator voltage is too high.
-21
MEMORY RECALL
NO
SYMPTOM
Control will not operate.
Circuits valid
for
POSSIBLE CAUSE
Traction
Accelerator input is mis-adjusted or
Controller
defective.
TRACTION DESCRIPTION OF STATUS
STATUS CODE
Motor field current is too high when the
-23
key switch is turned on.
MEMORY RECALL
NO
SYMPTOM
Control will not operate.
Circuits valid
for
POSSIBLE CAUSE
Traction
Recalibration of field amplifiers may be
Controller
required.
•
Defective control.
•
DESCRIPTION OF STATUS
CORRECTIVE ACTIONS
Input voltage at P7 should be less than
4.5 volts after initial tow switch closure.
Open wire exists between
potentiometer negative and P8.
Open wire exists between P7 and
potentiometer wiper.
Defective potentiometer in accelerator
pedal. Verify that potentiometer is
operating correctly, and replace
potentiometer unit, if necessary.
CORRECTIVE ACTIONS
Contact authorized GEServicenter
for regarding repair.
Replace controller unit.
CAUSE OF STATUS INDICATION
This status code will be displayed when the
accelerator voltage at P7 is greater than 4.5
volts.
TROUBLE-SHOOTING DIAGRAM
P13
P1 P2 P3
P22
P15 P14 P16
P23
CAUSE OF STATUS INDICATION
This status code will be displayed when the current
draw in the motor field is too high on start up.
TROUBLE-SHOOTING DIAGRAM
NO GRAPHIC FOR THIS
STATUS CODE
Page 21
DIRECTIONAL
SWITCH *
*
L
P6
P5 P11 P10
P4
PLUG (23 PIN)
P7 P9 P8
P18 P19 P20 P21
INFRARED
TRANSCEIVER
June 2002