Mitsubishi Electric MELSEC iQ-R Series User Manual page 29

LED display in the maintenance mode
The bus access diagnostics function and the parameter/event history initialization function can be selected in the
maintenance mode. The following shows the LED display when each function is performed.
Item
Bus access diagnostics
Parameter/event history initialization
LED status
• READY LED: ON (orange)
• OS LED: ON (green)
• Other LEDs: OFF
• READY LED: ON (orange)
• Y STOP LED: ON (orange)
• Other LEDs: OFF
2 SPECIFICATIONS
2.2 Operational Specifications
2
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