Krober O2 - Page 87

Kröber O2 - Kröber O2 Vers. 4.0
Operation
EN 87
Alarm type
Display
Description
O2 Concentration < 82%
Possible cause:
The Kröber O2 oxygen concentrator is
equipped with a sensor that monitors the
oxygen concentration of the oxygen released.
If the average value of the oxygen
concentration is less than 82% for approx. 15
seconds, this alarm is triggered - provided that
the oxygen concentrator has been in
operation for more than 2 minutes.
Countermeasures
– The Service must be notified.
Check the alarm function:
– Only possible by a technician.
Sensor
Possible cause:
The sensor system does not provide reliable
data for 5 s.
Countermeasures
– The Service must be notified.
Check the alarm function:
– Not possible because of self-diagnosis
System
Possible cause:
There is a microprocessor error.
Countermeasures
– The device must be switched off and the
service must be notified.
NOTE!
For safety reasons, an attempt is made
to interrupt oxygen delivery and oxygen
production.
Check the alarm function:
– Not possible because of self-diagnosis.