Filter
Top Products
10. Troubleshooting
10 - 18
10-4-2 Warning
Warning No.
93
Initial absolute position fluctuation:
The position data have fluctuated during the absolute position initializing.
Cause of occurrence Investigation items Remedy
1
The vertical axis or slant axis dropped
when the NC power was turned ON.
2
The axis moved with an external force
when the NC power was turned ON.
Check the state of the axis at NC power
ON.
Correct the faulty sections.
Warning No.
9E
Absolute position detector: Revolution counter error:
An error was detected in the revolution counter of the absolute position detector. The absolute position
data cannot be compensated.
Cause of occurrence Investigation items Remedy
1
Detector internal circuit operation is
incorrect.
Check for abnormalities in the detector's
surrounding environment, etc.
(Example: Ambient temperature, noise,
grounding)
Improve the surrounding environment.
2
Detector is faulty.
Check the repeatability. Replace the detector.
Warning No.
9F
Battery voltage drop:
The battery voltage that is supplied to the absolute position detector dropped. The absolute position data
is retained.
Cause of occurrence Investigation items Remedy
1
Battery is spent. Measure the battery voltage.
(Warning 9F occurs at 3V or less.)
Replace the battery.
2
The cable between the drive unit or
battery unit is disconnected.
Check the cable connection. Correctly connect.
3
The battery connector (inside drive unit)
is dislocated.
Check the cable connection. Correctly connect.
4
Battery line in detector cable is broken. Check the continuity of the detector
cable.
Replace the cable.
(Note) When warning 9F occurs, do not turn OFF the drive power to ensure that the absolute position data is held.
Warning No.
A6
Fan stop warning:
A cooling fan built in the drive unit stopped.
Cause of occurrence Investigation items Remedy
1
Carry out items for alarm No. 45.
Warning No.
E0
Over regeneration warning:
Over-regeneration detection level exceeded 80%.
Cause of occurrence Investigation items Remedy
1
Carry out items for alarm No. 30.
Warning No.
E1
Overload warning:
Overload detection level exceeded 80%.
Cause of occurrence Investigation items Remedy
1
Carry out items for alarm No. 50.