HESCH HE 5422, Руководство по эксплуатации

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HE 5422 Operating Instructions
# 342338 | Version 1.3 41
11 Error messages
Display / LED Cause Remedy
The differential pressure
display flashes:
EEPROM parameter error

Restore factory
settings and check
parameterization.

If this is not
successful, send the
device to HESCH for
repair.
The differential pressure
display shows:
The differential pressure signal is
below the permissible measuring
range.

Check differential
pressure signal.

Check external
threaded connection.
The differential pressure
display shows:
The differential pressure signal is
above the permissible measuring
range.

Check differential
pressure signal.

Check external
threaded connection.
The differential pressure
display shows:
and the high and low
alarm LEDs flash
alternately
Fault in
Δp-module.
The yellow status LED on the

p
module does not light up.

p module is not inserted or not
firmly seated on the PCB.

Insert the

p module
or check and correct
the fit.

If the status LED still
does not light up,
please contact
HESCH service (
see
chapter 12
Maintenance and
Service
).
The high alarm LED
flashes:
The differential pressure exceeds
the set threshold.

Adjust the configured
pulse and pause
times.

Check filter element.

Check the solenoid
valves for optimal
mechanical function.

Check the
compressed air
system.
The low alarm LED
flashes:
The differential pressure falls
below the set threshold for more
than 5 minutes without reaching
the post-cleaning threshold.

Adjust the configured
pulse and pause
times.