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13. Guard and Alert
1) Guard function (Error display)
If an error occurs, the error No. is displayed on the data display, and the output is stopped
forcedly.
Reset the error by either of the following methods (1) and (2).
When resetting the error, eliminate the abnormality beforehand.
If the external signal is an operation condition, be careful that the controller becomes ready for
operation upon resetting.
(1) Power OFF the controller, and the error will be reset.
(2) Press the Vol ▼ key and the Freq ▼ key together long for over 3 sec, and the error will
be reset.
The output is over the maximum output current.
The input voltage is higher than the rated voltage.
The temperature inside the controller is too high.
Error of no connection to
the vibration sensor
The vibration sensor is not connected.
The drive was operated in “A” mode with the parameter
set to No. 0u:1.
2) Alert display
If the Set key is pressed when the normal mode is in display, an alert will be displayed.
The output will not stop even during the operation.
If the controller is continuously used as it is, an error may occur. Therefore, review the settings,
etc.
The input voltage is below 90V.
Warning of no connection to
the feedback board
The feedback board cannot be detected.
The Controller operates in the constant voltage mode.
Warning of no connection
to the vibration sensor
The vibration sensor is not connected.
The parameter is set to No. 0u:1 in “A” mode and the
feeder is not active.
The parameter is set to No. 0u:1 in “n” mode.