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7. HOW TO CHECK FOR ERROR USING THE LEDS
HOW TO CHECK FOR ERROR USING THE LEDS
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7 HOW TO CHECK FOR ERROR USING THE LEDS
7.1 When One Inverter Is Connected
The following example indicates the causes of faults which may be judged from the LED states of the CC-Link unit (FR-
E5NC) of the inverter under the condition that the SW, M/S and PRM LEDs of the master unit are off (the master unit setting
is correct) in a system configuration where one inverter is connected:
CPU
Power
supply
Master
unit
Station 1
Inverter