Fault And Measures - Mitsubishi Electric FR-A7NC E kit-SC Instruction Manual

4.4.2

Fault and measures

(1) The inverter operates as follows at error occurrences.
Error
Location
Inverter operation
Inverter
Data communication
Communication Inverter operation
line
Data communication
Poor contact
Communication
option
Error of
communication
option itself
* Depends on the Pr. 502 setting.
(2) Measures at fault occurrences
Fault Indication Fault Definition
Communication
E.OP1
option fault
E.1 Option fault
When faults other than the above are displayed, refer to the inverter manual and remove the cause of the fault.
Status
Inverter trip
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 fault.
(Refer to page 83 for LED indication status)
Inspect the master.
Check the connection between the inverter and option unit for poor
contact, etc. and remove the cause of the fault.
Operation Mode
Network External
Operation Operation
Inverter trip
Continued Continued
Continued
Stop Stop
Inverter trip *
Continued Continued
Continued
Stop Stop
Measures
INVERTER SETTING
PU Operation
Inverter trip
Continued
Continued
Stop
Inverter trip *
Continued
Continued
Stop
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