Description of Fault Codes
‑82‑
Cause
Troubleshooting
Solution
The heartbeat is abnormal
during synchronous
communication.
● Check whether the STP is
used as the
communication cable.
● Check whether the servo
drive is well grounded.
● Check the value of H29.01.
● Use the STP.
● Connect the cable
according to the wiring
instructions.
● EE08.8: No network connection during synchronous communication
Description:
The network is not connected during synchronous communication.
Cause
Troubleshooting
Solution
No network connection
during synchronous
communication
● Check whether the STP is
used as the
communication cable.
● Check whether the servo
drive is well grounded.
● Check whether the
communication cable is
connected.
● Use the STP.
● Connect the cable
according to the wiring
instructions.
● EE08.9: LAN cable disconnected
Description:
The LAN cable is disconnected during synchronous communication.
Cause
Troubleshooting
Solution
The LAN cable is
disconnected during
synchronous
communication.
● Check whether the STP is
used as the
communication cable.
● Check whether the servo
drive is well grounded.
● Check whether the
communication cable is
connected.
● Use the STP.
● Connect the cable
according to the wiring
instructions.
● EE09.0: Software position limit setting error
Description:
The lower limit of the software limit is equal to or larger than the upper limit.
Cause
Troubleshooting
Solution
The lower limit of the
software position limit is
equal to or larger than the
upper limit.
Check the values of
607D.01h and 607D.02h.
Reset the values and ensure
the former is smaller than
the latter.
● EE09.1: Home setting error
Description:
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