Filter
Top Products
6. Troubleshooting
6 - 41
Warning No.
93
Initial absolute position fluctuation
The position data fluctuated when creating the initial absolute position.
Investigation details Investigation results Remedies SV SP
The vertical axis or slant axis drops
when the NC power is turned ON.
Check the brake operation. 1 Check the state of the axis when the
NC power is turned ON.
The axis moves with an external
force when the NC power is turned
ON.
Make sure that the axis does not
move when the power is turned ON.
{
Warning No.
96
MP scale feedback error
An excessive deviation was detected between the motor end detector and MP scale feedback data for
the MP scale absolute position detection system.
Investigation details Investigation results Remedies SV SP
1 Check the alarm No. "43" items.
{
Warning No.
97
MP scale offset error
An error was detected in the offset data received from the MP scale for the MP scale absolute position
detection system.
Investigation details Investigation results Remedies SV SP
No abnormality is found in particular. Investigate item 2. 1 Check if there is any abnormality in
the detector's ambient environment.
(Ex. Ambient temperature, noise,
grounding)
An abnormality was found in the
ambient environment.
Take remedies according to the
causes of the abnormality.
Ex. High temperature:
Check the cooling fan.
Incomplete grounding:
Additionally ground.
{
Occurs frequently. Replace the detector. 2 Check the repeatability.
Is not repeated. Investigate item 1.
{ {
Warning No.
9E
Absolute position detector, multi-rotation counter error
An error was detected in the multi-rotation counter for the absolute position detector. The absolute
position cannot be compensated.
Investigation details Investigation results Remedies SV SP
No abnormality is found in particular. Investigate item 2. 1 Check if there is any abnormality in
the detector's ambient environment.
(Ex. Ambient temperature, noise,
grounding)
An abnormality was found in the
ambient environment.
Take remedies according to the
causes of the abnormality.
Ex. High temperature:
Check the cooling fan.
Incomplete grounding:
Additionally ground.
{
Occurs frequently. Replace the detector. 2 Check the repeatability.
Is not repeated. Investigate item 1.
{ {
(Note) When this alarm occurs, the absolute position system's zero point must be established.
Warning No.
9F
Battery voltage drop
The voltage of the battery supplying to the absolute position detector has dropped. The absolute
position data is held.
Investigation details Investigation results Remedies SV SP
Less than 3V. Replace the battery unit. 1 Measure the battery (MDS-A-BT)
voltage.
3V or more. Investigate item 2.
{
The cable is disconnected. Connect correctly. 2 Check whether the NC bus cable is
disconnected.
There is no problem. Investigate item 3.
{
The cable is broken. Replace the cable. 3 Check whether the battery wire in the
detector cable is broken.
The cable is not broken. Investigate item 4.
{
Improved. Replace the drive unit. 4 Try replacing the drive unit.
Not improved. Replace the detector.
(With the absolute position system,
the zero point must be established.)
{
(Note) When warning 9F occurs, do not turn the drive unit power OFF to ensure that the absolute position data is held.
Replace the battery with the drive unit power ON.