M Series AC Servo
User Manual
165
Rev. 1.0
7/31/2019
400-820-9661
10.Trouble Shooting
10.1 Drive Alarm List
LED display Description Alarm type Drive status after alarm occurs
Drive over temperature Fault Servo off
Internal voltage fault Fault Servo off
Over voltage Fault Servo off
Over current
Fault Servo off
Fault Servo off
Fault Servo off
Bad hall sensor Fault Servo off
Encoder error Fault Servo off
Position error Fault Servo off
Low voltage Fault Servo off
Velocity limited Warning No change to drive
’
s status
CW limit or CCW limit activated Warning No change to drive
’
s status
CW limit is activated Warning No change to drive
’
s status
CCW limit is activated Warning No change to drive
’
s status
Current limit Warning No change to drive
’
s status
Communication error Warning No change to drive
’
s status
Parameter save failed Warning No change to drive
’
s status
Phase loss of the main circuit Warning No change to drive
’
s status
STO is activated Warning Servo off
Regeneration failed Warning No change to drive
’
s status
Low voltage Warning No change to drive
’
s status
Q program is empty Warning No change to drive
’
s status
Move when the drive is disabled. Warning No change to drive
’
s status