How To Check For Error Using The Leds; When One Inverter Is Connected - Mitsubishi Electric 800 Series Instruction Manual

9

HOW TO CHECK FOR ERROR USING THE LEDS

9.1

When one inverter is connected

The following diagram shows the system configuration with one inverter. The diagram indicates how the cause of the fault can
be checked with the LED status of the inverter communication option (FR-A8NC).
(In this example, assume SW, M/S, and PRM LEDs of the master module are OFF (master module is in normal operation).)
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HOW TO CHECK FOR ERROR USING THE LEDS
Master
Power
CPU
module
supply
Operation status indication LED
SD- -L.RUN
RD- -L.ERR
-RUN
Station 1
Inverter
FR-A8NC