INBair O2-100 Guía De Usuario E Instrucciones página 9

Troubleshooting
Before you call for service, review this list. It may save you time and expense. This list includes
common occurrences that are not the result of defect in workmanship or materials.
Problem – Unit will not turn on.
Possible Cause: Is power cord correctly connected to outlet?
Solution: Ensure power cord is properly inserted into the unit and socket. Check if the socket
is providing power
Possible Cause: Check if the voltage of DC adaptor is too low?
Solution: This product should be used with a DC 12V 2.5A adaptor.
Problem –The unit switches off during use
Possible Cause: Was the operation time 30 minutes?
Solution: The unit will automatically switch off after 30 minutes of operation to avoid acciden-
tal overuse and over-heating.
Possible Cause: The unit has over-heated due to prolonged use.
Solution: A temperature sensor will detect if the internal temperature of the unit exceeds 55
°C and prompt an automatic shutdown to prevent damage. Unplug the unit and allow to cool
before further operation
Problem – Oxygen concentration drops significantly.
Possible cause: Humidity in the ambient air has damaged the zeolite filter.
Solution: Replace the zeolite filter. Always ensure the oxygen outflow on the main body is cov-
ered by the cap when not in use.
Problem – The LED lights are not flashing in sequence as usual.
Possible cause: One LED flashing continuously indicates total operation time has reached 600
hours.
Solution: Replace zeolite filter and reset timer as described above.
Problem – Weak wind volume or unusual noise from the unit.
Possible cause: If zeolite filter or the vacuum pump has been replaced, tubes may have not
been replaced correctly or come loose.
Solution: Unplug the unit and remove the aluminium cover. Check all tube and wire connec-
tions are correct and properly attached.
Possible cause: The operation time has reached 1000 hours and the vacuum pump is due for
a replacement.
Solution: Replace the vacuum pump as described in this manual.
9