Atlas Copco QAS 60 Pd, Instruction Manual

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Following LEDs are used on the Qc4002™ MkII The main Qc4002™ MkII control unit includes 5
LEDs
1 Alarm LED flashing indicates that
unacknowledged alarms are present.
LED fixed light indicates that ALL
alarms are acknowledged.
2 Power LED indicates that the auxiliary
supply is switched on.
3 Self check
OK LED indicates that the self check is
OK.
4 Alarm
inhibit LED indicates that one of the alarm
inhibit functions is active.
LED switches off automatically. No
action should be taken.
5 Run LED indicates that the generator is
running.
6 U/F OK LED green light indicates that the
voltage/frequency is present and OK.
Qc4002
G
!
OK
LOG
5
1
6 7 8
2
3
4
10
9
7 (GB) ON LED green light indicates that the
generator breaker is closed.
LED yellow light indicates that the
generator breaker has received a
command to close on a black BUS,
but the breaker is not yet closed due to
interlocking of the GB.
LED is flashing orange if the ‘Spring
load time’ signal from the breaker is
missing.
8 (MB) ON LED indicates that the mains breaker
is closed.
9 Mains
voltage LED is green, if the mains is present
and OK.
LED is red when a mains failure is
detected.
LED is flashing green when the mains
returns during the ‘mains OK delay’
time.
10 Auto LED indicates that auto mode is
selected.
1 Power Green LED indicates that the voltage
supply is switched on.
2 Self check
OK Green LED indicates that the unit is
OK.
3 Alarm
inhibit Green LED indicates that the inhibit
input is ON.
4 CAN 2
5 CAN 1
3
2
1
5
4