Mitsubishi Electric FR-A8NCE, Instruction Manual

Page: 34 / 90

INVERTER SETTING
33
4
4.3.2 Fault and measures

Inverter operation in each operation mode at error occurrences

Depends on the Pr.502 setting.

Measures at error occurrences

When faults other than the above are displayed, refer to the Instruction Manual (Detailed) of the inverter and remove the cause of the
error.
Location Status
Operation mode
Network operation External operation PU operation
Inverter
Inverter operation Output shutoff Output shutoff Output shutoff
Data communication Continued Continued Continued
Communication
line
Inverter operation Output shutoff

Continued Continued
Data communication Stop Stop Stop
Communication
option
Communication
option connection
error
Inverter operation Output shutoff

Output shutoff

Output shutoff

Data
communication
Continued Continued Continued
Error of
communication
option itself
Inverter operation Output shutoff

Continued Continued
Data
communication
Stop Stop Stop
Fault indication Fault description Measures
E.OP1 Communication line error
• Check the LED status of the option unit and remove the cause of the alarm (Refer to page 8
for LED indication status).
• Inspect the master.
E.1, E.2, E.3 Option fault
• 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.