Yaskawa LEGEND Digital Torque Amplifier - Manual (Page 66)

5.3 Alarms
55
5.3 Alarms
POWER ON: Green LED turns ON at control power ON.
CHARGE LED: Red LED turns ON at main circuit power ON.
■ 7-Segment LED
■ Alarm List
Normal
Status
Base Block
Servo ON
Alarm
Display
Alarm Name Content
Switch Setting Error
SW2, SW3 are not set during linear motor
combination
Overcurrent Overcurrent flowed to IGBT
Regen Circuit Error
・Regen resistor disconnection
・Regen transistor short
The regen energy exceeds the capacity of
the regen resistor * # .
Overvoltage The main circuit voltage exceeds 420V * .
Overspeed
Detected when the motor speed exceeds the
maximum speed * .
Undervoltage The main circuit voltage is below 70V * .
Overload
Operation for several seconds or tens of
seconds at a torque/force greatly in excess of
the rating * # .
Continuous operation above the rated
torque/force * .