LS Mecapion L7 A001, Руководство пользователя, Страница: 200 / 222

8. Maintenance and Inspection
8-4
8.2.2 Servo Drive
If an alarm triggers, the malfunction signal output contact (ALARM) is turned off and the
dynamic brake stops the motor.
Alarm
Code
Name Details What to inspect
IPM Fault Overcurrent (H/W)
Check for incorrect drive output wiring /
incorrect encoder wiring.
Check the motor ID / drive ID / encoder setting.
Check for equipment clash or confinement.
IPM temperature IPM module overheat
Check for incorrect drive output wiring and
incorrect encoder wiring.
Check the motor ID, drive ID, and encoder
setting.
Check for equipment clash or confinement.
Overcurrent Overcurrent (S/W)
Check for incorrect drive output wiring and
incorrect encoder wiring.
Check the motor ID, drive ID, and encoder
setting.
Check for equipment clash or confinement.
Current offset Abnormal current offset
Replace the drive if [St-23] and [St-24] are 5%
or higher of the rated current.
Overcurrent (/CL) Overcurrent (H/W)
Check for incorrect drive output wiring and
incorrect encoder wiring.
Check the motor ID, drive ID, and encoder
setting.
Check for equipment clash or confinement.
Continuous overload Continuous overload
Check for equipment clash or confinement.
Check load and brake condition.
Check for incorrect drive output wiring and
incorrect encoder wiring.
Check the motor ID, drive ID, and encoder
setting.
Room temperature Drive overheat
Check the temperature inside the drive [St-19].
Install a cooling fan and check load.
Regen. Overload Regenerative overload
Check input voltage, regenerative braking
resistance, and wiring.
Replace the drive.
Motor cable open Motor cable disconnection Motor wiring
Encoder comm.
Serial encoder
communication error
Check for incorrect wiring of the serial encoder
cable.
Encoder cable open
Encoder cable
disconnection
Check whether the encoder cable is
disconnected.
Encoder data error Encoder data error Check the [P0-02] setting and encoder wiring.
Motor setting error Motor ID setting error Check the [P0-00] setting.
Encoder Z PHASE Open
Encoder Z PHASE cable
broken
Check the encoder cable
Under voltage Low voltage Check input voltage and power unit wiring.
Overvoltage Overvoltage
Check input voltage and wiring. Check for
braking resistance damage.
Check for excessive regenerative operation.