M Series AC Servo
User Manual
165
Rev. 1.1
9/13/2021
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 o
Internal voltage fault Fault Servo o
Over voltage Fault Servo o
Over current
Fault Servo o
Fault Servo o
Fault Servo o
Bad hall sensor Fault Servo o
Encoder error Fault Servo o
Position error Fault Servo o
Low voltage Fault Servo o
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 o
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