YASKAWA SGD7S Product Manual page 453

Alarm Number:
Possible Cause
Alarm Name
A failure occurred in
the external encoder.
A.8A1:
External Encoder
A failure occurred in
Module Error
the Serial Converter
Unit.
A.8A2:
A failure occurred in
External Incre-
the external encoder.
mental Encoder
Sensor Error
A.8A3:
A failure occurred in
External Abso-
the external absolute
lute Encoder
encoder.
Position Error
A.8A5:
An overspeed error
External Encoder was detected in the
Overspeed external encoder.
A.8A6:
An overheating error
External Encoder was detected in the
Overheated external encoder.
An error occurred
A.AA0:
when saving parame-
Reset Failure (A
ters in non-volatile
failure occurred in
memory.
resetting the
The DeviceNet Mod-
Module.)
ule failed.
The same node
A.AE6:
address already exists
on the DeviceNet net-
Address Error
work.
A.AE8:
Rotary Switch
Setting Error
There is an error in the
(There is an error
rotary switch settings.
in the node
address or baud
rate setting.)
Terminating resistors
are not connected.
The network cable
A.AE9:
length exceeds the
Bus-OFF Error (A
maximum network
Bus-OFF error
cable length.
occurred in Devi-
ceNet communi-
DeviceNet connec-
cations.)
tors are not making
proper contact.
The DeviceNet Mod-
ule failed.
A.b33:
A failure occurred in
the current detection
Current Detec-
circuit.
tion Error 3
Confirmation
Replace the external
–
encoder.
Replace the Serial Con-
–
verter Unit.
Replace the external
–
encoder.
The external absolute
encoder may be faulty.
Refer to the encoder
–
manufacturer's instruc-
tion manual for correc-
tions.
Check the maximum Keep the external
speed of the external encoder below its maxi-
encoder. mum speed.
Replace the external
–
encoder.
Initialize the parameters.
–
Replace the DeviceNet
Module.
Replace the DeviceNet
–
Module.
Check the node Change the node
address that was set. address.
Check the rotary switch Correct the rotary switch
settings. settings.
Connect terminating
Check network termina-
resistors to the ends of
tion.
the network.
Check the network Correct the network
cable length. installation.
Check the DeviceNet
connectors to see if
Tighten the connectors.
they are making proper
contact.
Replace the DeviceNet
–
Module.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
–
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
14.2 Alarm Displays
14.2.2 Troubleshooting Alarms
Continued from previous page.
Correction Reference
–
–
–
–
–
–
page 5-10
–
–
page 13-3
page 13-3
page 4-39
–
–
–
Continued on next page.
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