24
(2) Measures at alarm occurrences
When alarms other than the above are displayed, refer to the inverter manual and remove the cause of the
alarm.
Alarm Indication
Alarm Definition
Measures
E. OPT
Communication line alarm
Check the LED states of the option unit (FR-E5NP) and remove
the cause of the alarm. (Refer to page 2 for the LED indication
status)
Check the Profibus master module.
E. 3
Option alarm
Check the connection between the inverter and option unit (FR-
E5NP) for poor contact, etc. and remove the cause of the alarm.