Yaskawa G5HHP Drive User Manual

Page 138

Advertising
background image

Basic Operation

6.2.2 Autotuning Faults

6 - 20

Fault Display

Remedy

Probable Cause

Saturation -1
(Iron core saturation coefficient

1 fault)

The core-saturation coeffi-

cients can’t be tuned within

The rated current setting isn’t

correct.

Check and change the setting if necessary.

Saturation -2
(Iron core saturation coefficient

2 fault)

cients can’t be tuned within

the prescribed time.

There is a broken/discon-

nected motor power wire.

Check and replace wiring components if nec-

essary.

Resistance
(Line-to-line resistance fault)

The motor terminal resistance

or no-load current setting

The rated current setting isn’t

correct.

Check and change the setting if necessary.

No-load Current
(No-load current fault)

or no-load current setting

can’t be tuned within the pre-

scribed time.

There is a broken/discon-

nected motor power wire.

Check and replace wiring components if nec-

essary.

Tune Aborted
Minor Fault:

---

A minor Inverter fault oc-

curred.

Check the minor fault indicated in the boxes

in the display shown at the left.

Tune Aborted
V/f Over Setting
(Di l

d f

h

l i

Torque reference exceeded

100%, and no--load currenct

Rated voltage and rated fre-

quency settings are not cor-

rect.

Check the setting and correct any problems.

(Displayed after the completion

of autotuning)

100%, and no--load currenct

exceeded 70%.

The load is connected to the

motor.

Disconnect the motor from the load..

6

Advertising