YASKAWA MP920 User Manual page 156

7 218IF Module
7.3.3 Module Startup
When a hardware error is detected during self-diagnosis, the ERR LED indicator will light
or flash as shown below.
PROM Diagnostic Error
The ERR LED indicator remains lit.
RUN
ERR
TX
RX
COL
SRAM Diagnostic Error
The ERR LED indicator flashes.
RUN
ERR
TX
RX
COL
LAN Interface Diagnostic Error
The ERR LED indicator flashes twice, and continues flashing.
RUN
ERR
TX
RX
COL
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