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Remedying faults
Power failure
Primus automatically switches to the built-in unin-
terruptible power supply UPS. In this case, the aux-
iliary outlets will not be supplied with power.
Provided that the battery is fully charged, operation
can be continued with the current settings for at
least 30 minutes (up to 90 minutes, depending on
the ventilation parameters).
A
The message POWER FAIL (A) is displayed on the
screen, together with the remaining battery capac-
ity in percent (B).
For example
30
If the battery is almost empty, the message BAT-
TERY LOW is displayed.
Primus permits manual ventilation with 100 % O
the event of a power failure and empty batteries.
The fresh-gas mixer, ventilator, and monitoring are
inactive.
If all electrical power fails, all individual settings, in-
cluding alarm limits which are not saved in the de-
fault settings, will be lost.
If the power supply is restored, the anesthesia ma-
chine behaves as described in "Ventilator and fresh
gas delivery failure" on page 185; see also the
180
alarm message GAS + VENT. FAIL on page 194.
To continue operation for emergency situations,
switch the anesthesia machine off and then on
again and refer to page 87 of these instructions for
use.
B
30 %
1 Check vaporizer setting.
2 Press the safety knob (C) for O
livery to unlock it and set it to the required O
flow.
Range: 0 to 12 L/min. This O
vaporizer.
3 Ensure adequate substitute monitoring!
WARNING
Risk of patient injury
If all power supplies fail, the screen display
will be dark and automatic ventilation will
cease.
in
2
The patient must be ventilated manually!
NOTE
If a D-Vapor is in use and a power failure occurs,
refer to the instructions for use of the D-Vapor for
a description of system behavior in a power fail sit-
uation.
C
emergency de-
2
flows through the
2
Instructions for use Primus SW 4.5n
2
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