N
2
-Generator
– User Manual
23 / 31
3
Charging time under the threshold
x
4
Column discharged
x
5
N
2
pressure too low
x
6
Service 1 required
7
Service 2 required
x
8
Service 3 required
x
9
Internal temperature
x
10
Zero-Air module error
x
7.2.2 Alarm
When an alarm is activated, the green LED in On steady, the yellow LED is OFF and
the red LED comes on in the following sequence:
Flashes (to indicate the alarm)
– Off – On for 4 seconds.
The signal depends on the number of flashes, as shown in the table below:
Flashes
Description
Pre-
alarm
2
Pressure sensors damage (Compressor
– N
2
column)
x
