Breas Nippy 4 Series, Руководство по обслуживанию

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2.7 Power Failure Test
2.7.1 Checking the Power Failure Alarm
NOTE
The
“
Low Alarm Battery
”
alarm shall not be active prior to the test.
1 Remove the internal battery as in 5.1 Replace the Internal Battery , page 34.
2 Connect the ventilator to mains.
3 Turn the ventilator on and start treatment.
4 Disconnect mains power supply.
5 Make sure that the ventilator gives the power failure alarm. The power failure alarm
is given with an audible signal and the red alarm LED flashing. The alarm shall be
given for, at least, two minutes. If the power fail alarm stops within two minutes,
change the super capacitors (see section 5.15
Replace the Super Capacitors , page 54).
6 Reconnect the internal battery as in 5.1 Replace the Internal Battery , page 34.
2.8 Complete Function Test
To perform the complete function test you need the Service Software, which can be
downloaded from the Breas Extranet. Also, you will need the equipment listed in the
section on tools above.
Contact Breas technical support for more information.
2.9 CO
2
Sensor Gas Span Check
If a CO
2
sensor is used with the ventilator it shall be checked once a year to verify the
sensor readings.
To perform the CO
2
gas span check you need CO
2
calibration gas consisting of:
•
5% CO
2
(carbon dioxide)
• 21% O
2
(oxygen)
•
74% N
2
(nitrogen)
You will also need a gas regulator.
16 Maintenance Instructions
Vivo 45/Nippy 4 Series Service manual
Doc. 007132 D-2