Oase Filtral UVC 400, Operating Instructions Manual

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Malfunction remedy
Malfunction Possible cause Remedy
Unit is not operating No mains voltage Check the mains voltage.
Water housing is open (safety
switch in water housing auto-
matically switches off the
pump)
Turn the head of the unit clock-
wise until the mark points to-
ward the locked lock
Delivery or fountain height
insufficient or not con-
sistent,
Cloudy water
Nozzle blocked Unscrew and clean the nozzle
insert
The loss of pressure on the pipe
to the watercourse/water fea-
ture is too high
Reduce hose length and con-
necting parts to a minimum,
route hoses as straight as possi-
ble
Intake openings blocked Clean housing
Filter media clogged Clean filter media
Impeller unit blocked Clean the running unit
Pond extremely dirty Remove algae and leaves from
the pond, change the water
Quartz glass tube soiled Clean the quartz glass tube
Flow regulator excessively throt-
tled
Set flow regulator
The UVC lamp is not lit The UVC lamp overheats. The
temperature monitor turned off
the UVC lamp
After cooling down, the UVC
lamp switches on again auto-
matically
The UVC lamp is defective Replace the UVC lamp.
The UVC lamp is not inserted
into the socket properly
Insert the UVC lamp correctly
into the socket
Unit switches off after a
short running period
Water temperature too high Observe the maximum water
temperature of +77 °F (+35 °C)