3 ) overvoltage – GE Industrial Solutions AF-300E$ User Manual

Page 105

Advertising
background image

8-10

O U 1

The power
supply
voltage
should be
corrected.

( 3 ) Overvoltage

Yes

No

Will fault take place when the load is removed suddenly?

Is the power supply voltage within the specified limits?

No

Was DC bus voltage above alarm level when alarm occurred?

O U 2

No

Yes

Can the deceleration time be
increased?

O U 3

Review the control and system application again. Contact GE Fuji

Is the braking unit and braking resistor installed and activated?

Failure in the
drive or
misoperation
due to electrical
noise can be
considered.
Contact
GE Fuji.

No

Increase
the timed
setting

Decrease until the
failure does not
occur.

Can the acceleration time be
increased?

Can the load inertia be decreased?

No

Yes

Yes

Investigate braking unit,
braking resistor or DC
brake for correct
connection rating and
control settings.

Will action take place after rapid
acceleration is completed?

Yes

No

No

No

No

Yes

Yes

Yes

Yes

No

No

Yes

Yes

No

Yes

No

Advertising