Troubleshooting Tips; Removing The Pump - Elite 799 User Manual

TROUBLESHOOTING TIPS

If the air pump fails to produce air, check the following:
1. Ensure that the air pump is plugged in.
2. Ensure that there are no blockages in the air hose assembly
and that all valves allow air passage. If no air is produced
by the accessories in the aquarium, remove the airline from
the pump and ensure that air is being produced.
3. If the air pump produces no output, the most common
problem encountered with any air pump is a ripped or
weakened diaphragm. Inspect the diaphragm for tears or
rips. Any opening in the diaphragm will make it impossible
for the pump to produce air for aeration purposes. Always
inspect the diaphragm first before replacing other parts in
the pump.

REMOVING THE PUMP

Whenever the air pump must be shut off and removed from the
aeration system, always take off the air line before the pump is
unplugged. This will prevent water from siphoning back into
the pump. If the air line cannot be removed before unplugging
the power cord, raise the pump above the water level.