3-10 Troubleshooting
7000-TD002A-EN-P – September 2007
FAULT
MESSAGE
FAULT
CODE
DESCRIPTION
RECOMMENDED ACTIONS
Gnd OvrCurrent
114
The Ground Current (P367) measured on
the Ground Fault CT has exceeded the
value in Ground Overcurrent Trip (P171) for
the duration set in Ground Overcurrent
Delay (P172). The GFCT (Zero-Sequence
CT) is not installed in all drives.
–
Verify the Burden resistor has not
opened
–
Verify parameters are set properly
–
Megger the drive and motor and input
transformer/AC line reactor to search for
a ground fault in the system
–
Check for any imbalance.
HECS Power Loss
56
The power supplied to the Motor Hall-Effect
Current Sensors (±24VDC) is monitored on
the control board and will fault the drive if
the voltage is out of tolerance.
–
Verify the DC voltage on the DC/DC
supply, at the ACB board, and at the
Current Sensors[HECS]
–
Check the Current Sensor wiring and
ensure all connections are per the
Electrical Drawing
IdcHECSConnector
191
The drive has detected that the Idc HECS
connector (J7) is not connected properly.
–
Turn off the control power and verify
that connector and the interlock are in
place
IGDPS 56V Loss
53
The drive has detected a loss of the 56V dc
voltage feeding the IGDPS.
–
Check connections, the DC output of the
AC/DC converter and the input voltage to
the IGDPS.
–
Replace the power supply if required.
InputLockOut 5Min
462
This fault is valid for 18-pulse drives and
prevents damage to the isolation
transformer. The input contactor has been
locked out for 5 minutes due to a Line
OverCurrent condition.
–
Investigate the cause of the over-current
condition. Fault can only be reset after 5
minutes.
–
Check the rectifier devices for short
InputLockOut Indef
463
This fault is valid for 18-pulse drives and
prevents damage to the isolation
transformer. The input contactor has been
locked indefinitely due to a Line OverCurrent
condition.
–
It is likely that there is line to line short
condition due to shorted SCR devices.
–
Investigate the cause of the over-current
condition.
–
If nothing found short, Cycle control
power to reset the fault.
Содержание PowerFlex 7000
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