Inovance SV660, Advanced User'S Manual, Page: 321 / 426

-320-
9 Troubleshooting
Root Cause Confirming Method Solution
5. The servo drive or motor models
are set improperly.
View the serial encoder motor model
in 2000-06h and servo drive model in
2001-0Bh.
View the servo drive nameplate and
set the servo drive model in
2001-0Bh and use a matching servo
motor according to "1.1 Introduction
to the Servo Drive" .
6. Locked-rotor occurs due to
mechanical factors, resulting in
overload during running.
Check the RUN command and
motor speed (200B-01h) through the
software tool or the keypad:
◆
RUN command in the position
control mode: 200B-0Eh
(Position reference counter)
◆
RUN command in the speed
control mode: 200B-02h
(Speed reference)
◆
RUN command in the torque
control mode: 200B-03h
(Internal torque reference)
Check whether the RUN command in
the corresponding mode is not 0 but
the motor speed is 0.
Eliminate mechanical factors.
7. The servo drive is faulty.
The fault persists after servo drive is
powered off and on again.
Replace the servo drive.
■
E630.0: Locked rotor
Direct cause:
The actual motor speed is lower than 10 RPM but the torque reference reaches the limit, and such status
persists for the duration defined by 200A-21h.
Root Cause Confirming Method Solution
1. Power output phase (UVW) loss or
incorrect phase sequence occurs on
the servo drive.
Perform motor trial run without load
and check cable connections and the
phase sequence.
Re-connect the cables according to
the correct wiring diagram or replace
the cables.
2. The motor parameters (especially
the pole pairs) are set improperly and
the motor angle auto-tuning is not
performed.
Read parameters in group H00 to
check whether the pole pairs are set
properly.
Perform angle auto-tuning on the
motor several times and check
whether the value of H00-28 is
consistent during angle auto-tuning.
Modify the motor parameter values.
3. The communication commands
suffer from interference.
Check whether jitter occurs on
the commands sent from the host
controller and whether EtherCAT
communication suffers from
interference.
Check whether the communication
circuit between the host controller
and the servo drive suffers from
interference.