Omron TJ2-MC02 Hardware Reference Manual page 149

Hardware reference
Display & Possible Cause(s)
Indicators
The Inverter does not power up.
The Option Board is not mounted
RUN ERR RX TX
properly.
The Option Board connector is
damaged.
RUN ERR RX TX
The Inverter RS input is ON.
The Inverter does not support an
Option Board (Refer to 1-1-2
Inverter Support)
The Option Board connector is
RUN ERR RX TX
damaged
The Inverter encountered a fatal
error during Operation.
RUN ERR RX TX
The user program requested a
trip by setting the external trip bit
of the conventional module oper-
ation command.
RUN ERR RX TX
The Inverter detected a fatal error
in the operation of the Option
Board.
RUN ERR RX TX
HARDWARE REFERENCE MANUAL
Corrective Action
Follow the instruction provided in the
RX-Inverter user's manual section 6-1 to
troubleshoot.
Check that the Option Board is mounted
properly and restart the Inverter.
Replace the Option Board.
Switch the Inverter RS input OFF.
Replace the Inverter.
Replace the Option Board.
Restart the Inverter. If the problem per-
sists, replace the Inverter.
Check and correct all items in accord-
ance with the user program.
Check if the option is mounted properly;
Restart the Option Board.
If the problem persists, replace the
Option Board
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