Wheel System, Traction 199Service Manual – SC6500
™
Troubleshooting Chart
Flash
Code
#
Programmer LCD
Display/ Effect Of Fault
Possible Cause(s) Set/Clear Conditions
87 Motor Characterization
Fault
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
FullBrake; ShutdownPump.
1. Motor characterization failed
during characterization
process. See Monitor
menu » Controller: Motor
Characterization Error for
cause:
0=none
1=encoder signal seen, but
step size not determined; set
Encoder Step Size manually
2=motor temp sensor fault
3=motor temp hot cutback
fault
4= controller overtemp cutback
fault
5=controller undertemp
cutback fault
6=undervoltage cutback fault
7=severe overvoltage fault
8=encoder signal not seen, or
one both channels missing
9=motor parameters out of
characterization range.
Set: Motor characterization
failed during the motor
characterization process.
Clear: Correct fault; cycle KSI.
88 Encoder Pulse Error
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
ShutdownInterlock;
ShutdownDriver1;
ShutdownDriver2;
ShutdownDriver3;
ShutdownDriver4;
ShutdownPD; FullBrake;
ShutdownPump.
1. Encoder Steps parameter does
not match the actual motor
encoder
Set: Motor lost IFO control and
accelerated without throttle
command.
Clear: Ensure the Encoder
Steps parameter matches the
actual encoder; cycle KSI.
89 Motor Type Fault
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
FullBrake; ShutdownPump.
1. The Motor_Type parameter
value is out of range.
Set: Motor_Type parameter is
set to an illegal value.
Clear: Set Motor_Type to
correct value and cycle KSI.
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