154 Troubleshooting
Reset a fault
After the cause of a fault is corrected, the active fault can be reset from control panel,
Drive composer PC tool, I/O interface, or fieldbus. When fault is removed, the inverter can
be restarted. Some faults may be restarted by an autoreset feature. Autoreset is indicated
in event logs.
Event history
Event logs
The inverter event history can be accessed from Events menu. The menu includes
submenus for active faults, active warnings, faults, and other events.
Active faults—shows all currently active faults.
Active warnings—shows all currently active warnings.
Faults—shows the faults that are reset.
Other events—includes, for example, all fault resets, pure events, activation, and
deactivation stamps for warnings.
You can also access the event history from parameter group 104 Warnings and faults. The
group shows the codes of active warnings and faults (a maximum of five each) and five
previously occurred warnings and faults.
Auxiliary codes
Some events generate an auxiliary code that helps in identifying the problem.
On the control panel—auxiliary code is stored as part of the details of the event.
In the Drive composer PC tool—auxiliary code is shown in the event listing.
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