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HE 5422 Operating Instructions
# 342338 | Version 1.3
Symbols/Displays
Meaning
Operating message
Cleaning active
Alarms active
Differential pressure measurement in pascal
Differential pressure measurement in millibar
Test & Service
Filter constant of the differential pressure measurement
Post-cleaning time
Normal operation: LED lights up when post-cleaning is
active
Parameterization mode: LED flashes when the parameter
can be selected
PARA key
Parameterization mode ON/OFF
UP key
: increase the displayed value
DOWN key
: decrease the displayed value
ENTER
key: accept the displayed value
Display:
Normal operation: current differential pressure
Parameterization mode: Parameter values
Alarm notices
Run
Lights up continuously when there is a supply voltage.
Status
Lights up permanently when there is communication
between the control system and operating unit.
Flashes when waiting for communication between the
control system and operating unit.
Flashes rapidly when the boot loader (start-up program) is
running.
Error
Is linked to the alarm / operation relay of the software.
LED lights up when the relay drops out (alarm message).
LED goes out when the relay picks up (operation).
