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6. Operations on Internal DC disconnect switch(if present)
• Open the internal DC switch
• Affix designated lock preventing operation onto DC disconnect
switch
• Check on the status LEDs
carried out (Missing DC voltage status): All LEDs OFF.
The time needed for the complete shut-down of the LEDs depends by the input voltage of the
inverter. The complete shut-down of the LEDs may require some minutes.
(blue in the below picture).
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, affixing designated tags (LOTO procedure).
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the shutdown command has been
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8 - Maintenance
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