Production safety and malfunctions
31
© Lutz-Jesco GmbH 2020
Subject to technical changes.
200922
BA-62010-01-V01
Chlorine Dioxide System
EASYZON Dd
Operating Instructions
Malfunction
Remedy
Possible gas loss from
the reactor valves or
leak in the prediluition
system
Air the room abudantly. Verify the prediluition
pipes entirety and also check that there are no
loss from reactor valves.
Tab. 15: Malfunction and remedy
11.5 Threshold exceeded ClO
2
gas detector
i
It is important to stress that air the room in case of gas in air is
necessary. Furthermore if you need to operate on the machine
wear the Personal Protective Equipment (PPE) as shown in
chap. 2.4 „Personal protective equipment“ on page 7.
The presence of this alarm indicates that the gas-in-air measure exceed
the safety operator threshold. This alarm blocks the production.
è
To reset the anomaly and reboot the machine press
Enter
. The
machine will not restart until the gas-in-air value will be lower than
the threshold minus the hysteresis.
11.6 Pre-diluition flow lack
11.6.1 Alarm Description
In case of a signal (open contact with producer on) produced by the predi-
luition flowmeter at minimum flowrate and dioxide transport to the dosa-
ge point delayed by a set value, the production will be blocked showing
the
Error Device
display.
Pushing
alarm
the operator will see the malfunction in detail. The dis-
play will show which switch caused the production block.
è
To reset the anomaly and reboot the machine press
Enter
.
11.6.2 Malfunction and Remedy
Malfunction
Remedy
Closure of a manual
valve placed on the
pre-diluition line
n
Check the cause and then open that valve
again.
Turning off or thermal
block of the
pre-diluition pump/
circulator
n
Verify the pump/circulator functioning.
n
Reboot both.
Tab. 16: Malfunction and remedy
REMOTE SIGNALING: Closed contacts at 09 – 10 terminals.
