70
Motor and/or drive will not accelerate to commanded speed.
Cause(s)
Indication
Corrective Action
Acceleration time is excessive.
None
Reprogram
P109
[Accel Time 1] or
A401
[Accel Time 2].
Excess load or short acceleration times
force the drive into current limit, slowing or
stopping acceleration.
None
Compare
d003
[Output Current] with
A441
[Current Limit].
Remove excess load or reprogram
P109
[Accel Time 1] or
A401
[Accel Time 2].
Check for improper
A453
[Boost Select]
setting.
Speed command source or value is not as
expected.
None
Verify
d002
[Commanded Freq].
Check
d012
[Control Source] for the
proper Speed Command.
Programming is preventing the drive output
from exceeding limiting values.
None
Check
P105
[Maximum Freq] to insure
that speed is not limited by programming.
Motor operation is unstable.
Cause(s)
Indication
Corrective Action
Motor data was incorrectly entered.
None
1.Correctly enter motor nameplate data
into
P101
,
P102
and
P103
.
2.Enable
A436
[Compensation].
3.Use
A453
[Boost Select] to reduce boost
level.
Drive will not reverse motor direction.
Cause(s)
Indication
Corrective Action
Digital input is not selected for reversing
control.
None
Check [Digital Inx Sel]
(See page 3-13)
.
Choose correct input and program for
reversing mode.
Digital input is incorrectly wired.
None
Check input wiring.
(See page 1-14)
Motor wiring is improperly phased for
reverse.
None
Switch two motor leads.
Reverse is disabled.
None
Check
A434
[Reverse Disable].
Drive does not power up.
Cause(s)
Indication
Corrective Action
No input power to drive.
None
Check the power circuit.
Check the supply voltage.
Check all fuses and disconnects.
Jumper between I/O Terminals P2 and P1
not installed and/or DC Bus Inductor not
connected.
None
Install jumper or connect DC Bus Inductor.
Содержание HPVFE
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