Sub codes can be checked by the error sub code (3011Hex-04Hex). Individual alarms occur in addi-
tion to the following alarms when regular alarm detection is activated.
Cause of tuning er-
ror
Alarm code:
25 Hex
Error sub
code
Cause and countermeasure
Sequence abnormali-
ty
0007 Hex
0008 Hex
0009 Hex
When RUN command OFF, forced stop “STOP” and free-run stop
“FRS,” etc. are input during tuning
→Do not turn the RUN command OFF during tuning.
Overcurrent abnor-
mality
0006 Hex
000A Hex
When an abnormally large current flows during tuning
→Check the state of the mechanical brake. Also, check if the motor
can be mechanically rotated.
Tuning result abnor-
mality
0001 Hex
0002 Hex
0003 Hex
0004 Hex
When unbalance between phases or an output phase loss is detected,
or when an open output, etc. causes the tuning result to be an abnor-
mally large or small value
→Check the wiring.
Tuning frequency ab-
normality
(Only when
3007Hex-05Hex = 2)
000D Hex
When various limit operations occur during tuning, or when a limit is
applied at the maximum output frequency or frequency limiter (upper
limit)
→Change so that the limit value becomes 50% or higher of the base
frequency
.
Error occurrence 000F Hex
When an insufficient voltage state has occurred or an alarm has occur-
red
→For details on countermeasures for individual alarms, refer to
9-1 Alarm Display and Remedies on page 9-2.
Acceleration time ex-
ceeded
(Only when
3007Hex-05Hex = 2)
0012 Hex
When 3x the set value of acceleration time in 3004Hex-08Hex is ex-
ceeded for the output frequency to reach 50% of the base frequency
→Increase the value of 3004Hex-08Hex.
Control method error
0015 Hex
Although the motor is rotated for magnetic pole position tuning when
3007Hex-1FHex = 0 or 3, when 3007Hex-05Hex = 1: Tune the motor
parameters while stopped is performed at this setting
When 3007Hex-05Hex = 5: T
une the motor parameters while stopped
is performed when 3004Hex-2BHex = 15
→Set to the correct combination.
Parameter
Setting error
138B Hex
When the rated impedance or rated inductance is outside the effective
range
→Check setting of 3004Hex-05Hex, 3004Hex-06Hex and
3007Hex-04Hex.
Inability to calculate
magnetic pole posi-
tion
138D Hex
When 3007Hex-1FHex = 1 or 3 is set: When the salient pole ratio of
the motor inductance is small
When 3007Hex-1FHex = 2 is set: When there is no magnetic satura-
tion characteristic of the motor
→When 3007Hex-1FHex = 1, change 3007Hex-58Hex to a small val-
ue. Note, however, that in the case of motors that are dif
ficult to mag-
netically saturate, tuning is sometimes impossible.
→When 3007Hex-1FHex = 2 or 3, set 3007Hex-1FHex = 0, and adjust
while increasing 3004Hex-19Hex in stages in increments between
about 0.5 to 5.0 s until rotation tuning no longer fails.
7 Vector Control and Applied Functions
7-70
M1 Series EtherCAT Type User’s Manual (I670)
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