Fault And Measures - Mitsubishi Electric FR-A8NP Instruction Manual

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4.3.2

Fault and measures

 Inverter operation in each operation mode at error occurrences
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.
 Measures at error occurrences
Fault indication
Fault description
E.OP1
Communication line error
E.1
Option fault

When faults other than the above are displayed, refer to the Instruction Manual (Detailed) of the inverter and remove the cause of the
error.
Status
Network operation
Inverter trip
Continued
Inverter trip
Stop
Inverter operation
Inverter trip
Data
Continued
communication
Inverter operation
Inverter trip
Data
Stop
communication
• Check the LED status of the option unit and remove the cause of the alarm (Refer to
10
for LED indication status).
• Inspect the master.
• Insert the communication option to the inverter option connector 1.
• Check the connection between the inverter and option unit for poor contact, etc. and remove
the cause of the error.
Operation mode
External operation
Inverter trip
Continued
Continued

Stop
Inverter trip


Continued
Continued

Stop
Measures
INVERTER SETTING
PU operation
Inverter trip
Continued
Continued
Stop
Inverter trip

Continued
Continued
Stop
4
page
29

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