8.4 Abnormal states
WARNING! Danger of damage to health!
If an alarm cannot be eliminated by countermeasures, an alternative oxygen
supply must be used immediately (e.g. an oxygen cylinder). In addition, the
customer service of the manufacturer must be informed immediately.
8.4.1 Alarm priorities
Possible cause:
The operating temperature inside the concentrator is too
high (> 65°C).
Countermeasures:
– The unit must be switched off immediately.
– Check whether an unobstructed air inlet and outlet is
possible. Furthermore, it must be ensured that there is
sufficient distance to objects (wall, cabinet, etc.) and to
heaters, etc.
– It may be necessary to replace the input filter in the rear
panel of the unit. Further information can be found in
the "Maintenance" section.
NOTE!
For protection, the oxygen supply is stopped after a
further waiting period. However, the compressor
continues to run.
Checking the alarm function:
– Close the exhaust air heat opening.
NOTE!
If the internal temperature exceeds 84°C, the
temperature fuse responds. In this case, the unit
must be returned for repair.
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