2.2 LED functions
The display unit holds 10 LED functions. Dependent on the situation, the colour of the LEDs is green, red or a
combination. The table below describes the functionality of the LEDs on the CGC 400:
7
6
8
9
3
10
1
2
5
4
LED no. LED name LED function
1:
Alarm
LED steady light indicates that all alarms are acknowledged, but some are still
present.
2
:
Power
LED indicates that the auxiliary supply is switched on. If it is green, the controller is
operational. If it is red, the self-check has failed.
LED flashing indicates that unacknowledged alarms are present.
3:
4 x LED
4 x LEDs with selectable indication function. Selection is made in M-Logic.
4:
MAN
LED steady light indicates that Manual mode is active.
LED flashing green indicates that Block mode is active.
5:
AUT
LED indicates that Auto mode is active.
6:
Mains
OK
LED is green if the mains is present and OK.
LED is red at a mains failure.
LED is flashing green when the mains returns during the "mains OK delay" time.
7:
MB on
LED Indicates that the mains breaker is closed.
8:
GB on
LED Indicates that the generator breaker is closed.
9:
Hz/V ok
LED Indicates that voltage and frequency is present and OK.
10:
Run
LED indicates that running feedback is present.
CGC 400 Operator's manual 4189340787
UK
Push-buttons and LEDs
DEIF A/S
Page 6 of 14
