Protective Function; Alarm Type; Acquiring Alarm Information - Fastech Ezi-Step Plus-R User Manual

12. Protective Function

12.1 Alarm Type

When an alarm occurs while the controller is operating, a red LED among status display
LEDs flash and the following protective function will be display ed according to flash
count.
Flash
Alarm Name
Count
1 Over Current
2 Over Speed
3 Step Out
5 Over Temperature
Over Regenerative
6
voltage
7 Motor Connect error
9 Motor Voltage error
11 System error
12 ROM error
14 Input voltage error

12.2 Acquiring Alarm Information

When an alarm occurs, the motor become S TEP OFF(motor free) and then stops by free run
and at the same time displays alarm message.
Also, 'AlarmBlink' signal repeats On/Off according to the timing as illustrated
below. The red LED flash every 0.5 second in accordance with alarm number and wait for
2 seconds. And then red LED f lash repeatedly until inputting 'AlarmReset'signal.
(Example) Alarm 3： 'AlarmBlink'display signal occurred when the Stall is occur.
Condition
The current through power devices in inverter
exceeds the limit value
Motor speed exceed 3000rpm
Abnormally motor do not followed pulsed input
Inside temperature of drive exceeds 55℃
Back-EMF more high limit value
The power is ON without connection of the motor
cable to drive
Motor voltage is out of limited value
Error occurs in drive system
Error occurs in parameter storage device(ROM)
Power source voltage is out of limited
www.fastech.co.kr
12. Protective Function
*
1
*
2
value*3
55