YASKAWA SGD7S Product Manual page 469

14.2 Alarm Displays
14.2.2 Troubleshooting Alarms
Alarm Number:
Alarm Name
A.8A5:
External Encoder
Overspeed
A.8A6:
External Encoder
Overheated
A.AA0:
Reset Failure (A
failure occurred in
resetting the
Module.)
A.AE6:
Address Error
A.AE8:
Rotary Switch
Setting Error
(There is an error
in the node
address or baud
rate setting.)
A.AE9:
Bus-OFF Error (A
Bus-OFF error
occurred in Devi-
ceNet communi-
cations.)
A.b33:
Current Detec-
tion Error 3
A.bF0:
System Alarm 0
A.bF1:
System Alarm 1
A.bF2:
System Alarm 2
14-28
Possible Cause
An overspeed error Check the maximum
was detected in the speed of the external
external encoder. encoder.
An overheating error
was detected in the –
external encoder.
An error occurred
when saving parame-
–
ters in non-volatile
memory.
The DeviceNet Mod-
–
ule failed.
The same node
address already exists Check the node
on the DeviceNet net- address that was set.
work.
There is an error in the Check the rotary switch
rotary switch settings. settings.
Terminating resistors Check network termina-
are not connected. tion.
The network cable
length exceeds the Check the network
maximum network cable length.
cable length.
Check the DeviceNet
DeviceNet connec-
connectors to see if
tors are not making
they are making proper
proper contact.
contact.
The DeviceNet Mod-
–
ule failed.
A failure occurred in
the current detection –
circuit.
A failure occurred in
–
the SERVOPACK.
A failure occurred in
–
the SERVOPACK.
A failure occurred in
–
the SERVOPACK.
Confirmation
Keep the external
encoder below its maxi-
mum speed.
Replace the external
encoder.
Initialize the parameters.
Replace the DeviceNet
Module.
Replace the DeviceNet
Module.
Change the node
address.
Correct the rotary switch
settings.
Connect terminating
resistors to the ends of
the network.
Correct the network
installation.
Tighten the connectors.
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.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Turn the power supply to
the SERVOPACK OFF and
ON again. If an alarm still
occurs, the SERVOPACK
may be faulty. Replace the
SERVOPACK.
Continued from previous page.
Correction Reference
–
–
page 5-10
–
–
page 13-3
page 13-3
page 4-40
–
–
–
–
–
–
Continued on next page.