Description of Fault Codes
‑71‑
Internal parameters of the encoder are abnormal.
Cause
Troubleshooting
Solution
1. The serial incremental
encoder cable is
disconnected or loose.
Check the wiring.
Check whether the encoder
cables are connected
incorrectly, disconnected, or
in poor contact. If the motor
cables and encoder cables
are bundled together,
separate them.
2. An error occurs when
reading/writing the serial
incremental encoder
parameters.
If the fault persists after the
servo drive is powered off
and on repeatedly, the
encoder is faulty.
Replace the servo motor.
● EB00.0: Position deviation too large
Description:
The position deviation in the position control mode is larger than the setpoint of
6065h (Threshold of excessive position deviation).
Cause
Troubleshooting
Solution
1. U/V/W output phase loss
or incorrect phase sequence
occurs on the servo drive.
Perform a no‑load trial run
on the motor and check the
wiring.
Re‑connect the cables
according to the wiring
diagram or replace the
cables.
2. The servo drive U/V/W
cables or the encoder cable
is disconnected.
Check the wiring.
Reconnect one end of the
power cables to the U, V,
and W terminals of the servo
drive and the other end to
those of the servo motor,
respectively. If necessary,
replace all cables and
ensure a reliable
connection.
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