4-32
4.12.10 O2 Supply Failure Alarm Test
1. Connect the O2 supply inlet with fixture O2. Adjust the O2 flow to 10L/min in Standby
mode.
2. Adjust the input pressure of O2 supply to 220.6±34.2kPa. Confirm whether there is an
audio alarm of O2 Supply Failure. Stop the O2 supply for one (1) minute, this alarm
should not disappear.
3. Observe the alarm lamp, and it should be red. Restore O2 supply, and adjust the input
pressure to 300
±
10kPa, and the alarm should disappear.
4. For anesthesia machine with N2O supply, turn on all gas flowmeter, and stop the O2
supply. Observe the flow value of O2, N2O flowmeter, and they should reduce to 0
gradually.
4.12.11 Drive Gas Pressure Low Alarm Test
1. Connect corresponding gas to the anesthesia machine according to the drive gas.
Disconnect other gas supply.
2. Set the mode to VCV in Standby mode, and set tidal volume to 500ml, and set Rate to
25.
3. Exit Standby mode, and observe to confirm that the anesthesia machine can work
normally (observe for five cycles of the ups and downs of the bellow; one up and down
is one cycle.)
4. Turn off the gas supply, and the system prompt “Drive Gas Pressure Low”.
4.12.12 Power Failure Test
1. Connect the anesthesia machine to the AC power source. Both AC power LED should
come on. If the AC power LED is not lit, check the fuse and power board.
2. Set the system switch to the
position.
3. Unplug the power cord with the system turned on. The message [
Battery in Use
] is
displayed. Meanwhile, the AC power LED is extinguished.
4. Reconnect the AC power. The prompt message disappears. The AC power LED is
illuminated.
4.13 System Ventilation Performance Tests
4.13.1 Standby Mode Ventilation Test
1. Ensure the pressure of O2, N2O and Air is within the range of specifications.
2. Power on the system.
3. Operate power on test following the guidance on the screen, and ensure all test are
passed.
4. Set the mechanical Auto/Manual switch to the Manual position.
5. Connect the breathing circuit and test lung to the Y piece three way valve.
NOTE
For testing purposes always use a reusable breathing circuit.
Summary of Contents for WATO EX-55Pro
Page 1: ...WATO EX 55Pro 65Pro Anesthesia Machine Service Manual ...
Page 2: ......
Page 34: ...2 20 South African standard ...
Page 48: ...2 34 VPM ...
Page 142: ...4 42 ...
Page 196: ...6 26 FOR YOUR NOTES ...
Page 356: ...8 102 FOR YOUR NOTES ...
Page 438: ...9 82 FOR YOUR NOTES ...
Page 447: ...10 9 10 3 2 Hardware Box 2 4 3 5 7 8 6 12 9 10 13 14 15 1 11 ...
Page 449: ...10 11 ...
Page 455: ...10 17 10 3 5 WATO EX 55 Pro 65 Pro Cart Assembly ...
Page 457: ...10 19 10 3 6 WATO EX 55 Pro 65 Pro Pre pak Circuit Bracket Assembly ...
Page 462: ...10 24 4 3 1 2 ...
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