Fastech Ezi-Servo ALL, User Manual, Page: 92 / 100

9.3. Alarm Check and Release
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9.3 Alarm Check and Release
If an alarm occurs, remove its cause and then release it. The alarm can be released as follows. In
case of alarms of which ‘Reset’ column is indicated to ‘Invalid’, power must get down prior to
releasing the alarms.
Flash
count
Alarm Name Description Reset
1
Overcurrent
1)Check the motor’s short-circuit (A, /A, B, /B)
2)Check the mechanical status such as parameter setting.
Valid
2
Overspeed
1)Check parameter setting, and abnormal operation of the motor.
2)Check the speed command of upper controller(ex:PLC).
Valid
3
Position Tracking
1)Get down the load or increase the acceleration or deceleration
speed.
2)Check assemble status of mechanism.
3)Check the brake signal cable.
4)Check the motor’s short-circuit (A, /A, B, /B)
5)Check the encoder cable connection status.
6)Check the parameter(27:Position Tracking Limit) setting value.
Valid
4
Overload
1)Compare the motor’s rating with load scale.
2)Check assemble status of mechanism.
3)Check ‘SW limit’value of parameter.
4)Check the status of sensors.
5)Check the motorDB for driver and motor.
6) Check the motor’s short-circuit (A, /A, B, /B)
Valid
5
Overheat
1)Get down the ambient temperature or install a cooling fan.
2)Check the distance is over 50mm between drivers.
Valid
6
Over
regeneratived
voltage
1)In case of high-speed operation, check if the acceleration or
deceleration speed is low.
Valid
7
Motor connection 1)Check the connection status of drive and motor.
Invalid
8 Encoder
connection
1)Check the connection status of drive and encoder.
2)Check the screw condition, cabling short-circuit of encoder.
Invalid
9 Motor voltage
error
1)Check if power is supplied to the drive.
2)Check the diameter and length of power cable to driver.
Invalid
10
Inposition error
1)Check if parameters are set correctly or the machine is over-loaded.
2)Check the vibration of mechanism and belt tension.
3)Check the cabling status of motor and encoder.
Valid
11
System error 1)Check if current of power supply is supplied to the drive.
Invalid
12
ROM error 1)Contact to distributor.
Invalid
15
Pos. Error
Overflow
1)Get down the load or increase the acceleration or deceleration
speed.
2)Check the brake and encoder is working correctly or not.
Valid