4. Parameters
4.5
Alarms and Warnings
4.5.1 Servo Alarm Status Summary Display List
If an alarm triggers, the malfunction signal output contact point (ALARM) turns off and the
dynamic brake stops the motor.
Alarm
Name
Code
IPM Fault
IPM temperature
Overcurrent
Current offset
Overcurrent (/CL)
Continuous overload
Room temperature
Regen. Overload
Motor cable open
Encoder comm.
4-66
Details
Overcurrent (H/W)
IPM module overheat
Overcurrent (S/W)
Abnormal current offset
Overcurrent (H/W)
Continuous overload
Drive overheat
Regenerative overload
Motor cable disconnection
Serial encoder
communication error
What to inspect
Check for incorrect drive output wiring and
incorrect encoder wiring.
Check the motor ID / drive ID / encoder
setting.
Check for equipment clash or
confinement.
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.
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.
Replace the drive if [St-23] and [St-24] are
5% or higher of the rated current.
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.
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.
Check the temperature inside the drive
[St-19].
Install a cooling fan and check load.
Check input voltage, regenerative braking
resistance, and wiring.
Replace the drive.
Motor wiring
Check for incorrect wiring of the serial
encoder cable.
Need help?
Do you have a question about the L7 Series and is the answer not in the manual?
Questions and answers