Operation and maintenance instructions
Series PRE proportional pressure regulator
External sensor version
5000056022
Ver. 00
29
Example 2
: 2 blinks @100 ms every 2 s
VERSION WITH DISPLAY
LED BAR STATUS
MEANING
GREEN ON
Regulator is working with no errors or warnings.
RED ON
The regulator has registered an
ERROR
. Pressure regulation is interrupted.
YELLOW/ORANGE ON
The regulator has registered a
WARNING
. Pressure regulation is not interrupted.
During startup operation, the LED bar is red fixed.
When an
ERROR
or a
WARNING
appears, the relative code is shown on the display.
VERSION WITHOUT DISPLAY
DEVICE
STATUS
LED STATUS
MEANING
Normal
operation.
GREEN ON
Regulator is working with no errors or warnings.
The regulator
has registered
an
ERROR
.
Pressure
regulation is
interrupted.
1 RED blink
@200 ms every 3 s
ALARM_INTERNAL: an internal component of regulator don’t
work properly.
2 RED blinks
@200 ms every 3 s
ALARM_PRESSURE: the regulator is not able to reach the target
pressure.
100ms (LED ON)
2s
(LED OFF)
BLINK 1
BLINK 2
100ms (LED ON)
2s
(LED OFF)
BLINK 1
