ABB ACS2000 DFE User Manual page 145

CHAPTER 10 – PREVENTIVE AND CORRECTIVE MAINTENANCE
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Table 10-4 Profibus LED description
LED
Master MSG
Red Red
Off Red
Last valid state Last valid state
Green Flashing red
Flashing red Red
Cause
DDCS
Off RAM test failure
Red ROM test failure
Red DDCS link failure
Flashing green Communication failure
Flashing green Link failure
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