70
Motor and/or drive will not accelerate to commanded speed.
Acceleration time is excessive.
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.
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.
Verify d002 [Commanded Freq].
Check d012 [Control Source] for the
proper Speed Command.
Programming is preventing the drive output
from exceeding limiting values.
Check P105 [Maximum Freq] to insure
that speed is not limited by programming.
Motor operation is unstable.
Motor data was incorrectly entered.
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.
Digital input is not selected for reversing
control.
Check [Digital Inx Sel] (See page 3-13).
Choose correct input and program for
reversing mode.
Digital input is incorrectly wired.
Check input wiring. (See page 1-14)
Motor wiring is improperly phased for
reverse.
Check A434 [Reverse Disable].
Drive does not power up.
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.
Install jumper or connect DC Bus Inductor.