Kröber O2 - Kröber O2 Vers. 4.0
Operation
Alarm type
Display
Power outage
Power failure LED
No LC display
Mains undervoltage
86
Description
Possible cause:
The power supply to the unit is interrupted.
This leads to an immediate malfunction of the
Kröber O2!
Countermeasures
– Is the power cord securely plugged into the
wall outlet?
– Has a home fuse been tripped? Check the
fuse.
NOTE!
If a functional test of the power failure
alarm is to be carried out, this can be
done as follows:
– Disconnect the mains plug from the socket.
– Switch on the unit.
Check the alarm function:
– Disconnecting the mains plug during
operation
NOTE!
For safety reasons, an attempt is made
to interrupt oxygen release and oxygen
production.
Possible cause:
The power supply to the unit is insufficient.
Countermeasures
– Use of a voltage stabilizer in areas with
known voltage dips in the public supply
Check the alarm function:
– Can only be carried out by technicians with
an adjustable power supply.
EN