GE IC3645SR4U454Z2 Installation And Operation Manual page 26

DIAGNOSTIC STATUS CODES
SX TRANSISTOR CONTROL
TRACTION DESCRIPTION OF STATUS
STATUS CODE
Accelerator input voltage too high on
-07
power up after initial key switch
closure.
MEMORY RECALL
NO
SYMPTOM
Control will not operate when accelerator pedal
Circuits valid
is depressed or status code -07 is displayed
for then disappears when the vehicle starts to
accelerate.
Traction
POSSIBLE CAUSE
Controller Accelerator input mis-adjusted or defective.
•= Input voltage at P7 should be less than 3.7
volts. Adjust or replace accelerator unit to
insure that the voltage at P7 will vary from 3.5
volts to less than .5 volts when the pedal is
depressed.
Open circuit between battery negative and P7 in
accelerator input circuit.
•= Check for broken wires or loose connections
or open potentiometer / voltage supply.
Short circuit from battery positive to wiring in
accelerator input circuit.
•= Disconnect wire from P7 and measure
voltage at wire to negative. Should be zero
volts for potentiometer type and less than 3.7
volts for solid state type accelerator input.
TRACTION
DESCRIPTION OF STATUS
STATUS CODE
Accelerator input voltage too low on
-08
power up after initial key switch
closure.
MEMORY RECALL
NO
SYMPTOM
Control will not operate.
Circuits valid
for POSSIBLE CAUSE
Accelerator input mis-adjusted or defective.
Traction
•= Input voltage at P7 should be more than 3.0
Controller
volts. Adjust or replace accelerator unit to
insure that the voltage at P7 is more than 3.0
volts before depressing pedal.
Short circuit between battery negative and TB1
in accelerator input circuit.
•= Disconnect wire from P7. Check for short
circuit from wire to battery negative.
Resistance should be greater than 4.7K ohms.
Defective Card
•= Disconnect wire from P7. Measure voltage
from TB1 to negative. Voltage should be
greater than 4.5 volts, if not, replace control.
CORRECTIVE ACTIONS
CORRECTIVE ACTIONS
CAUSE OF STATUS INDICATION
This status code will be displayed when the
accelerator input voltage at P7 is higher than 3.7
volts, and a directional contactor is picked up.
TROUBLE-SHOOTING DIAGRAM
P9 P7 P8
ACC POT
CAUSE OF STATUS INDICATION
This status code will be displayed when the
accelerator input voltage at P7 is less than 3.0 volts,
and any of the following connections are opened and
closed: battery plug or key switch.
TROUBLE-SHOOTING DIAGRAM
P9 P7 P8
ACC POT
Page 26
P7 P8
ACC POT
P7 P8
ACC POT
January 1999