Alarm And Measures - Mitsubishi Electric FR-E720-0.1K Instructions Manual

INVERTER SETTING
4.4.2

Alarm and measures

(1) The inverter operates as follows at alarm occurrences.
Alarm
Location
Inverter operation
Inverter
Data communication
Inverter operation
Communication
line
Data communication
Communication
option
connection
error
Communication
option
Error of
communication
option itself
* Depends on the Pr. 502 setting.
(2) Measures at alarm occurrences
Alarm Indication Alarm Definition
Communication line
E.OP1
error
E.1 Option alarm
When alarms other than the above are displayed, refer to the inverter manual and remove the cause of the alarm.
32
Status
Inverter trip *
Inverter
Inverter trip *
operation
Data
communication
Inverter
Inverter trip *
operation
Data
communication
Check the LED status of the option unit and remove the cause of the
alarm. (Refer to page 3 for LED indication status)
Check the other nodes on the network.
Inspect the master.
Check the connection between the inverter and option unit for poor
contact, etc. and remove the cause of the error.
Operation Mode
Network External
Operation Operation
Inverter trip Inverter trip
Continued Continued
Continued
Stop
Inverter trip *
Continued Continued
Continued
Stop
Measures
PU Operation
Inverter trip
Continued
Continued
Stop Stop
Inverter trip *
Continued
Continued
Stop Stop