Yaskawa G5HHP Drive User Manual
Page 138

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