Chapter 13 - Function of LEDs ABB
13-4 (6) 3BHS202077 ZAB E01 Rev. C ACS 6000 Maintenance Manual
Table 13-2 LEDs of INT Board in ARU
LED LED Color Function
Y561 yellow Always OFF
Y562 yellow ON = ARU modulating
Y563 yellow ON = tripped
Y564 yellow ON = tripped, MCB is opened
Y565 yellow ON = removal of pulses in progress or finished
Y566 yellow ON = firing through in progress or finished
Y567 yellow ON = ROM bit
Y568 yellow ON = ASE logic active
Table 13-3 LEDs of INT Board in INU
LED LED Color Function
Y561 yellow ON = INU modulating
Y562 yellow ON = tripped, depending on the fault class the
MCB is opened or remains closed
Y563 yellow ON = tripped, pulses are removed
Y564 yellow Always OFF
Y565 yellow ON = tripped with firing through
Y566 yellow ON = tripped with firing through
Y567 yellow ON = tripped with zero vector
Y568 yellow Always OFF
Table 13-4 LEDs of PUP/PFF INT Board in COU
LED LED Color Function
Y561 yellow ON = all PPCC links to INT 0 are OK
Y562 yellow ON = all PPCC links to INT 1 are OK
Y563 yellow ON = all PPCC links to INT 2 are OK
Y564 yellow ON = INT 4 PFF link OK
Y565 yellow ON = INT 3 PFF link OK
Y566 yellow ON = INT 2 PFF link OK
Y567 yellow ON = ARU or INT 5 PFF link OK
Y568 yellow ON = INT 1 PFF link OK
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