FEC HFC3000 - Page 147

Chapter 7 Troubleshooting
PAGE 7-7
A.08: Servo Amplifier Error (contd.)
Indication
Description/Cause
Recovery Method
A.08-08
Over Speed Error
The controller cannot control the
rotation of the motor.
1. Inspect the tool cable.
2. Breaking or malfunction of the tool cable or
the tool may have occurred.
A.08-10
Over load Error
The motor load rate exceeded 100%.
1. Check the workpiece.
2. Ensure that the duty cycle is within the
specified ranges.
3. Increase the set value of D-No. 402 “1st
Speed” and D-No. 403 “2nd Speed” to
shorten the cycle time.
4. Increase the settings of D-No. 104 “Ramp
Down Start Torque” and D-No. 109 “2nd
Torque.”
5. Make the interval to the next operation
longer.
A.08-11
Resolver Error
The controller cannot recognize the
resolver.
1. Inspect the tool cable.
2. Breaking or malfunction of the tool cable or
the tool may have occurred.
A.08-12
System Error
An error has occurred in the
controller.
Breaking or malfunction of the controller may
have occurred.
A.08-14
Motor Parameter Error
There is an error in the internal
parameters of the controller.
A.08-15
System Error
An error has occurred in the
controller.
A.08-16
Drive Power Error
The drive power source is not
connected or the drive power was
turned OFF during the fastening
operation.
1. Inspect the drive power cable.
2. Ensure that the power source voltage of
the drive power source is 200 ~ 230V AC.
3. This may occur when an instantaneous
power failure occurs. Check the power
source capacity.
A.08-17
System Error
An error has occurred in the
controller.
Breakage or malfunction of the controller may
have occurred.
A.08-20
Current Sensor Error
An error has occurred in the
controller.
Breakage or malfunction of the controller may
have occurred.