AGC Designer’s Reference Handbook
DEIF A/S Page 53 of 168
LED functions
The display unit holds 10 LED functions. The colour is green or red or a combination in different
situations.
Alarm: LED flashing indicates that unacknowledged alarms are present.
LED fixed light indicates that ALL alarms are acknowledged.
Power: LED indicates that the auxiliary supply is switched on.
Self check OK: LED indicates that the self check is OK.
Alarm inh: Gen-set is stopped:
LED fixed light indicates that the unit does not receive a running signal. The
inhibit lamp will be switched off when the run status timer times out
(6150
Running status
)
.
Gen-set is running:
LED fixed light indicates that the digital input is activated.
Run: LED indicates that the generator is running.
(Gen.) OK: LED green light indicates that the voltage/frequency is present and OK.
(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.
(MB) ON: LED indicates that the mains breaker is closed.
(Mains) OK: LED is green, if the mains is present and OK.
LED is red at a measured mains failure.
LED is flashing green when the mains returns during the ‘mains OK delay’ time.
Auto: LED indicates that auto mode is selected.
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