Gram IF 4000 Manual De Uso página 371

4-8 Troubleshooting
Motor operation is unstable.
Cause(s)
Motor data was incorrectly
entered.
Drive will not reverse motor direction.
Cause(s)
Digital input is not selected for
reversing control.
Digital input is incorrectly
wired.
Motor wiring is improperly
phased for reverse.
Reverse is disabled.
Drive does not power up.
Cause(s)
No input power to drive.
Jumper between I/O Terminals
P2 and P1 not installed and/or
DC Bus Inductor not
connected.
Indication
None
Indication
None
None
None
None
Indication
None
None
Corrective Action
1. Correctly enter motor nameplate
data into P031, P032
2. Enable A097 [Compensation].
3. Use A084 [Boost Select] to
reduce boost level.
Corrective Action
Check [Digital Inx Sel]
page 3-14). Choose correct input
and program for reversing mode.
Check input wiring. (See page 1-15)
Switch two motor leads.
Check A095 [Reverse Disable].
Corrective Action
Check the power circuit.
• Check the supply voltage.
• Check all fuses and disconnects.
Install jumper or connect DC Bus
Inductor.
and P033.
(See