Wesley BC-620-4CA User Manual
Page 122
118
Curtis 1234/36/38 Manual,
OS
11
8 — DIAGNOSTICS & TROUBLESHOOTING
87
Motor Characterization Fault
1. Motor characterization failed during Set: Motor characterization failed during
ShutdownMotor;
characterization process. See Monitor the motor characterization process.
ShutdownMainContactor;
menu » Controller: Motor
Clear: Correct fault; cycle KSI.
ShutdownEMBrake;
Characterization Error for cause:
ShutdownThrottle;
0=none
FullBrake;
1=encoder signal seen, but step size
ShutdownPump.
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 or
both channels missing
9=motor parameters out of character-
ization range.
89
Motor Type Fault
1. The Motor_Type parameter value
Set: Motor_Type parameter is set to an
ShutdownMotor;
is out of range.
illegal value.
ShutdownMainContactor;
Clear: Set Motor_Type to correct value
ShutdownEMBrake;
and cycle KSI.
ShutdownThrottle;
FullBrake;
ShutdownPump.
91
VCL/OS Mismatch
1. The VCL software in the controller
Set: VCL and OS software do not match;
does not match the OS software in
when KSI cycles, a check is made to verify
the controller.
that they match and a fault is issued when
they do not.
Clear: Download the correct VCL and OS
software into the controller.
92
EM Brake Failed to Set
1. Vehicle movement sensed after the
Set: After the EM Brake was commanded
ShutdownEMBrake;
EM Brake has been commanded
to set and time has elapsed to allow the
ShutdownThrottle.
to set.
brake to fully engage, vehicle movement
2. EM Brake will not hold the motor
has been sensed.
from rotating.
Clear: Activate the throttle.
93
Encoder LOS (Limited
1. Limited Operating Strategy (LOS)
Set: Encoder Fault (Code 36) or Stall
Operating Strategy)
control mode has been activated, as
Detect Fault (Code 73) was activated,
Enter LOS control mode.
a result of either an Encoder Fault
and Brake or Interlock has been applied
(Code 36) or a Stall Detect Fault
to activate LOS control mode, allowing
(Code 73).
limited motor control.
2. Motor encoder failure.
Clear: Cycle KSI or, if LOS mode was acti-
3. Bad crimps or faulty wiring.
vated by the Stall Fault, clear by ensuring
4. Vehicle is stalled.
encoder senses proper operation, Motor
RPM = 0, and Throttle Command = 0.
Table 5 TROUBLESHOOTING CHART, continued
PROGRAMMER LCD DISPLAY
CODE
EFFECT OF FAULT
POSSIBLE CAUSE
SET/CLEAR CONDITIONS
ShutdownMotor;
ShutdownMainContactor;
ShutdownEMBrake;
ShutdownThrottle;
ShutdownInterlock;
ShutdownDriver1;
ShutdownDriver2;
ShutdownDriver3;
ShutdownDriver4;
ShutdownPD;
FullBrake;
ShutdownPump.