Fuji Electric ALPHA5 Smart, User Manual

Page: 391 / 636

CHAPTER 7 MAINTENANCE AND INSPECTION
Troubleshooting
7-23
7
Cycle the power.
Power cycled.
Check if 200 VAC is supplied to L1/L2/L3.
Less than 200 VAC
Supply 200 VAC.
Check the setting range and set a value within
the range.
Out of setting range
The parameters cannot be applied.
Did you check if the 7-seg display on the servo
amplifier was turned off?
Shut down the power until the 7-seg display
is confirmed to be turned off.
Not checked.
Check if "0" (write enable) is set in PA2_74
(parameter write protection).
"1" (write protect) is set in PA2_74.
Set "0" in PA2_74.
PA2_74 = 0
Within setting range
Checked.
Contact us.
Check if the setting value is within the setting
range.
Did you cycle the power when the corresponding
parameter becomes enabled with the power cycle?
Power not cycled.
200 VAC supplied.
Extend the acceleration/deceleration time.
(Reference: The acceleration/deceleration
torque becomes 250% or less.)
Max. 300% torque is required.
Overshoot or undershoot occurs.
There is a mechanical abnormality.
Check the machine for backlash or
mechanical slip, etc.
Abnormal
Check the adjustment settings.
Initial value
Perform easy-tuning to adjust data
appropriately.
Adjusted
Not abnormal
Not abnormal
Contact us.
Check the acceleration/deceleration torque.
300% or more