8-6
8-2 Alarm Table
Troubleshooting
8
Warnings
Note1. All warnings are retained. After resolving the problem, clear the alarms and the warnings.
Note2. When multiple warnings occur, the warning codes are displayed on the front panel in the
order of their priority (shown above).
Note3. The alarm display is in hexadecimal.
For example, if a regenerative load warning occurs, "91" and "00" will alternately flash on
the front panel of the G-series Servo Drive. The warning code read from the host Position
Control Unit (CJ1W-NC71 or CS1W-NC71) would be 4091.
Priority
Warning
Code
Warning Detection
Function
Warning Details
High
94h Data setting warning
· Command argument setting is out of the range.
· Parameter write failure.
· Command settings are wrong, and others.
95h Command warning
· Command output conditions are not satisfied.
· Received unsupported command.
· Subcommand output conditions are not satisfied.
96h
ML-II
communications
warning
One or more MECHATROLINK-II communications error
occurred.
90h Overload warning
85% of the overload alarm trigger level has been
exceeded.
91h
Regeneration
overload warning
85% of the regeneration overload alarm trigger level has
been exceeded.
92h Battery warning
Voltage of absolute encoder battery has dropped below
3.2 V.
Low
93h Fan lock warning The built-in cooling fan stopped, or rotated abnormally.
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