Maintenance And Cleaning - Oase ProMax Pressure Automatic 5500/5 Gebrauchsanleitung

Malfunction

MAINTENANCE AND CLEANING

W A R N I N G
Dangerous electrical voltage!
Death or severe injury from electrocu-
tion.
• Before reaching into the water, switch
off the mains voltage of all units in the
water.
• Isolate the unit (disconnect from the
power supply) before carrying out any
work on it.
N O T E
Recommendation on regular cleaning:
• Clean the unit as required but at least
twice per year.
• Do not use aggressive cleaning agents
or chemical solutions as they could at-
tack the housing or impair the function
of the unit.
• Recommended cleaning agent for re-
moving stubborn limescale deposits:
– Pump cleaning agent PumpClean
from OASE.
– Vinegar- and chlorine-free household
cleaning agent.
• After cleaning, thoroughly rinse all parts
in clean water.
Cause
Cleaning the non-return valve
Sand can block the non-return valve of the
pump so that it cannot close properly. The
non-return valve has to be cleaned.
Prerequisite:
• The pressure hose and adapter have
been dismantled.
How to proceed:
 F
1. Remove the screws.
2. Carefully remove the cover.
– The ball of the vent valve will fall out.
Ensure that you do not lose the ball.
3. Pull out the non-return valve.
4. Thoroughly clean the non-return valve
with clean water.
5. Reassemble the parts in the reverse or-
der.
6. Prior to installing, allow the pump to
convey clear water for a few minutes
(e.g. in a basin) to completely remove
any sand residue. (→ Installation and
connection)
Remedy
the sand has been com-
pletely flushed out. If the
pump still does not start
up, contact OASE.
− The impeller may only
be replaced by the
OASE Service.
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