37
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4.4 Troubleshooting
Possible Cause
Remediation
Symptom
Power plug is not plugged into
the electrical outlet securely.
Plug the power plug into the
electrical outlet correctly.
Equipment failure.
The gas path is blocked, the
circuit is bent or patient
interface is blocked.
Equipment failure, the blouer or
the flow sensor is failure.
Contact professional maintenance
personnel.
Check the patient interface and
breathing circuit.
Contact professional maintenance
personnel.
The check valves are damaged.
The breathing circuit and
patient interface are not
connected properly.
The oxygen flow from the
oxygen flow meter is lower
than the requirement (60LPM).
Contact professional maintenance
personnel.
Check the patient interface and
breathing circuit.
Equipment failure.
Contact professional maintenance
personnel.
Use an oxygen flow meter that can
deliver oxygen flow up to 60LPM.
The LED does
not illuminate
No gas is
delivered when
the device is
running
Leakage sound
Oxygen
concentration
is limited to
low levels
4.5 Maintenance Statement
For any repair or change of components, please contact Vincent Medical or your local
authorized supplier.
Vincent Medical will provide device related documents to assist service personnel in
parts repair.
Installers and operators must follow the instructions of installation, operation, inspec-
tion and maintenance. They must be authorized by Vincent Medical.
Inspections and maintenance must be performed in accordance with the recommend-
ed schedule. In any of the following circumstances, Vincent Medical will not be respon-
sible for the safety and reliability of the device performance:
* Modifying, or repairing the machines without any authority from Vincent Medical
* Unauthorized components are used
* Electrical power source is not compatible with local regulations
* Use of device is not in accordance with the instruction manual
It is recommended that users obtain the following information before performing
maintenance or repairs:
* Nature and scope of maintenance or repairs conducted
* Changes in the scope of maintenance
* Maintenance date
* Name of staff or company providing the maintenance service
* Signature from the Maintenance operator
4.6 Battery Information
One 3V Lithium/manganese dioxide battery is built into the device to power the clock.
Only trained personnel should conduct battery replacement. Incorrect replacement
would result in a hazard.
The temperature probe can withstand about 500 cycles of cleaning and disinfec-
tion. If the temperature probe fails, the “Temp. probe uninstalled/failure” alarm
will be activated when it is connected to the device. In this situation, the tempera-
ture probe should be replaced.
