Operating Manual
Operation instructions Page11-8
Under ECO mode, if box pressure exceed the upper pressure limit alarm, the system will
automatically shut down the circulation blower, turn on the vacuum pump and gas exhaust
through the VV valve.
11.2 State information
Alarm interface
As shown on the left by oxygen content
display, the operator can see the alarm
information, if system has an alarm, the
alarm code will show automatically
every two seconds one time.
According to the alarm code, users can
find the corresponding fault
information, such as E3 is oxygen
value exceeds the warning line.
Fault code content detailed in section
18.2.
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