YASKAWA GA700 Technical Manual page 316

6.7 Auto-Tuning Errors
Code Name
End7 No-Load Current Alarm
Code Name
Er-01 Motor Data Error
Code Name
Er-02 Minor Fault
Code Name
Er-03 STOP Button Input
Code Name
Er-04 Resistance Tuning Error
316
Cause
The Auto-Tuning results of the motor
no-load current value were outside the
allowable range.
Auto-Tuning results were less than 5%
of the motor rated current.
Cause
The motor nameplate data entered
during Auto-Tuning is incorrect.
The combination of the motor rated
power and motor rated current do not
match.
The combination of the motor rated
current that was entered during Auto-
Tuning and E2-03 [Motor No-Load
Current] do not match.
The combination of the setting values of
Motor Base Frequency and Motor Base
Speed do not match.
Cause
The motor nameplate data entered
during Auto-Tuning is incorrect.
Faulty motor cable or cable connection.
The load is too heavy.
A minor fault was detected during Auto-
Tuning.
Cause
During Auto-Tuning, the
pressed and Auto-Tuning was
interrupted.
Cause
The Auto-Tuning results were outside
the allowable parameter setting range.
Auto-Tuning did not complete within a
prescribed amount of time.
Faulty motor cable or cable connection.
The motor nameplate data entered
during Auto-Tuning is incorrect.
YASKAWA ELECTRIC SIEP C710617 01B YASKAWA AC Drive GA700 Technical Manual
Possible Solution
Check and correct faulty motor wiring.
Check whether the input motor nameplate data is
correct, and perform Auto-Tuning again.
Possible Solution
Check whether the motor nameplate data input
before Auto-Tuning is correct. Perform Auto-
Tuning again and correctly set the data that appears
on the motor nameplate.
• Check the combination of drive capacity and
motor output.
• Perform Auto-Tuning again, and correctly set the
motor rated power and motor rated current.
1. Check the motor rated current and the no-load
current.
2. Set E2-03 correctly.
3. Perform Auto-Tuning again, and correctly set
the motor rated current.
Perform Auto-Tuning again, and correctly set the
Motor Base Frequency and Motor Base Speed.
Possible Solution
• Check whether the motor nameplate data input at
the time of Auto-Tuning is correct.
• Perform Auto-Tuning again and correctly set the
data that appears on the motor nameplate.
Check and correct faulty motor wiring.
• Reduce the load.
• Check the vicinity of the machine, determining
for example whether the motor shaft is locked.
1. Discontinue Auto-Tuning.
2. Check the minor fault code and remove the
cause of the problem.
3. Perform Auto-Tuning again.
Possible Solution
Auto-Tuning did not complete properly. Restart
was
Auto-Tuning.
Possible Solution
• Check and correct faulty motor wiring.
• Disconnect the machine from the motor and
perform Rotational Auto-Tuning again.
• Check whether the motor nameplate data input at
the time of Auto-Tuning is correct.
• Perform Auto-Tuning again and correctly set the
data that appears on the motor nameplate.