Troubleshooting
186 Instructions for use Perseus A500 SW 2.0n
Failure of fresh-gas delivery (electronically controlled gas mixture)
If the fresh-gas delivery has failed, the emergency
O
2 delivery can be used to deliver oxygen and
anesthetic agent. The current ventilation mode and
the fresh-gas deficiency detection remain active.
In the event of a fault, figures and instructions
showing how to start the emergency O2 delivery
are displayed in areas (A) and (B).
The emergency O
2 delivery is started as folows:
1 Set the O
2 switch (A) upwards to the Add. O2
position. (Pay attention to the figure on the
screen.)
The Internal FG flow failure alarm will then be
automatically downgraded.
2 Open the flow control valve on the O
2
flowmeter and set the desired flow. This O
2
flow flows through the vaporizer.
3 Check vaporizer setting.
4 Continuously monitor the O2 flow for the
emergency delivery.
If necessary, perform ventilation with ambient
air, see "Complete failure of the gas supply" on
page 184.
If necessary, ventilate the patient with the
manual resuscitator.
Ventilator failure
If the ventilator fails, only manual ventilation or
spontaneous breathing remain possible. No other
ventilation modes can be selected. The fresh-gas
delivery remains ready for operation.
1 Switch to the Man/Spon ventilation mode.
2 Manually ventilate the patient.
WARNING
Risk of patient injury
If the gas mixer fails, no fresh gas is
delivered.
Check vaporizer setting. Supply the patient
with O
2. Use emergency O2 delivery.
32032
Internal FG flow failure
VC - CMV
A
B
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