List Of Warnings - Mitsubishi Electric MELDAS MDS-R Series Technical Specification And Instruction Manual

10-3-2 List of warnings

When a warning occurs, a warning No. will appear on the NC monitor screen and with the LEDs on the
front of the drive unit. Check the warning No., and remove the cause of the warning by following this
section.
No. Alarm name
93 Initial absolute position
fluctuation
9E Absolute position detector:
Revolution counter error
9F Battery voltage drop
A6 Fan stop warning
E0 Over regeneration warning
E1 Overload warning
E4 Set parameter warning
E6 Control axis detachment
warning
E7 In NC emergency stop state
E9 Instantaneous power
interruption warning
EA In external emergency stop
state
• Resetting method
10. Troubleshooting
Alarm details
The position data have fluctuated during the absolute position
initializing.
An error was detected in the revolution counter of the absolute
position detector. The absolute position data cannot be
compensated.
The battery voltage that is supplied to the absolute position
detector dropped. The absolute position data is retained.
A cooling fan built in the drive unit stopped.
Over-regeneration detection level exceeded 80%.
Overload detection level exceeded 80%.
A parameter setting was outside the setting range.
Control axis detachment was commanded.
Emergency stop was input from the CNC.
The power was momentarily interrupted.
External emergency stop signal was input.
* : If the state causing the warning is canceled, the warning will be reset
automatically.
NR : The warning can be reset with the NC reset button. The warning can also
be reset with the PR and AR resetting conditions.
PR : The warning can be reset by turning the NC power OFF and ON. The
warning can also be reset with the AR resetting conditions.
If the control axis is removed, the warning can be reset with the NC reset
button. (Excluding warning 93.)
AR : The alarm can be reset by turning the servo drive unit's power OFF and
ON.
10 - 6
Stopping method Reset
PR
Does not stop
*
Does not stop
*
Does not stop
*
Does not stop
*
Does not stop
*
Does not stop
*
Does not stop
*
-
*
Deceleration control
NR
Does not stop
*
Deceleration control