Omron TJ2-MC02 Hardware Reference Manual page 127

Hardware reference
Param Description Setting
A001 Frequency Refer- 02 (Digital Operator, default)
ence Selection 1 04 (Option board)
A002 RUN Command 02 (Digital Operator, default)
Selection 1 04 (Option board)
Step 4
Restart the MX2 Inverter for the changes to take effect.
Note
When restarting the MX2 Inverter, wait for the Inverter power indi-
cator to go out before switching on again.
Troubleshooting
The four LED indicators on the Option Board provide information on the
Option Board mode and status and the network status.
When an error occurs, the Option Board indicator pattern provides
troubleshooting information. For certain errors, additional information can be
obtained from the trip error code given by the four-digit display of the
Inverter.
In the following sections typical LED indicator and four-digit Inverter display
patterns are provided to assist in troubleshooting. To show the status of the
indicators, the following conventions are used:
HARDWARE REFERENCE MANUAL 121