Multi-zone ART Workstation User Manual Rev. 6.0
37
O
2
% is too high:
The display will lock on the alarm condition and will stop alternating between the
standard status messages. If the mute key is pressed, the display will shift to normal
status and show the parameters for 5 minutes until the audio alarm comes back on again.
The mute alarm key will still show the alarm condition by blinking red while the alarm is
muted.
13.3 Gas pressure alarms
13.3.1 CO
2
pressure alarm
If the CO
2
gas supply is not attached correctly or incorrect CO
2
gas pressure is applied to
the system, Multi-zone ART Workstation
will go into CO
2
pressure alarm mode. The
display will show “CO2 P”, which indicates an incorrect incoming gas pressure.
If the
pressure falls below 0.3 bar (4.40 PSI) or rises above 0.7 bar (10.20 PSI), it will trigger
the alarm.
“P” stands for pressure.
The display will lock on the alarm condition and will stop alternating between the
standard status messages. If the mute key is pressed, the display will shift to normal
status and show the parameters for 5 minutes until the audio alarm comes back on again.
The mute alarm key will still show the alarm condition by blinking red while the alarm is
muted.
13.3.2 N
2
pressure alarm (only for models with built-in gas mixer)
If the N
2
gas supply is not attached correctly or incorrect N
2
gas pressure is applied to the
system, Multi-zone ART Workstation
will go into N
2
pressure alarm mode. The display
will show “
N
2 P”, which indicates an incorrect incoming gas pressure.
If the pressure falls
below 0.3 bar (4.40 PSI) or rises above 0.7 bar (10.20 PSI), it will trigger the alarm.