Troubleshooting - VisualSonics VEVO Operator's Manual

Chapter 2: Installing the System: Troubleshooting

Troubleshooting

You hear a hissing sound
14 VisualSonics Vevo Compact Anesthesia System Operator Manual
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Connect the oxygen supply to the mobile vaporizer sub-system or the
2.
table-top vaporizer sub-system as described in "To connect the oxygen
supply to the vaporizer sub-system:" on page 11.
This indicates that there is a leak in the cylinder valve, regulator to
cylinder connection, or in the regulator.
To stop the leak:
Close the cylinder valve and open the regulator momentarily to
1.
relieve all pressure.
Return the regulator to the off position.
2.
Re-tighten the regulator to the cylinder connection and repeat the
3.
test.
If the hissing sound continues it means that one or more of the following
conditions exist:
• The sealing washer is leaking and should be replaced. Make sure the
cylinder valve is fully turned off before removing the regulator.
• The cylinder valve is leaking. Place the cylinder outdoors and notify
the gas supplier immediately. Do not attempt to use the cylinder.
• The regulator is leaking and must be removed from service and
returned for repair. Remember to always turn the cylinder valve fully
off before removing or loosening the regulator connection.
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