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
