Refer to the “MX2/RX Series CompoNet Communications Unit User’s Manual (I582)”.
Protective Function Display when EtherCAT Communications Unit
(Model: 3G3AX-RX-ECT) is Mounted
Description
Alarm code on
Digital Operator
When an unrecoverable error is detected in the option board, a trip is generated for the
inverter.
E70.
A trip occurs when a timeout is generated in communication between the inverter and
option board.
E79.
Protective Function Display when CompoNet Communications Unit
(Model: 3G3AX-RX-CRT-E) is Mounted
Description
Alarm code on
Digital Operator
This alarm appears if a fatal fault occurs on the communications unit when the power
supply is ON or during opertaion.
E70.
This alarm appears if an overlapping node address is found. E71.
This alarm appears if the inverter trips due to an external fault (EXT) detected via the
fieldbus connection.
E72.
This alarm appears if a communications idle error or communications timeout error is
detected in the RUN mode.
E73.
This alarm appears if a setting error is detected in any of the parameters P160 to P167
and P170 to P179.
E74.
This alarm appears if the inverter settings are not compatible with the communications
unit.
E75.
This alarm appears if an option connection error or a fatal fault is detected when the
communications unit operates.
E79.