Pool Pro Neptune Series - Troubleshooting

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Fault Indication Potential Cause Remedy
Fault LED "ON". Numerous causes. See the LCD screen for the reason then go
to that section in this troubleshooting guide.
Internal
temperature
high.
No air ow around
the power pack or
excessively high salt.
Ensure power pack is mounted in a well
ventilated area away from chemicals and
fertilisers. Check Water Balancing table
(Page 6).
High salt
warning.
Salt too high or short
on cell plates.
Check Water Balancing table (Page 6).
Check the cell is clear of debris (e.g. wire,
metal, touching plates, etc).
Low salt or clean
cell or faulty cell.
Low salt level. Check Water Balancing table (Page 6).
Build-up of calcium on
the cell plates.
Calcium build-up needs to be removed.
See Cell Maintenance (Page 15).
Water temperature is
low.
Winter water temperature can be very low.
For every 1°C below 28°C the output can
drop 2-3% .
Insufcient water ow
through the cell.
Ensure a full chamber of water is passing
over the cell. You may need to backwash
your lter. See Backwash (Page 9-10).
The cell could be
damaged or at the
end of its life.
Damaged coating will reduce cell life and
reduce output. If all conditions are correct
then the cell could be at the end of its life.
Level low in one
direction but OK in the
other.
Cell may need cleaning. See Cell
Maintenance (Page 15) or the cell may
have run its life in one direction.
Water
temperature low.
Water temperature is
below 10°C.
The power pack will lower output when
water temperature goes below 10°C to
protect the cell plates.
Water
temperature
high.
No water ow. Check for possible closed valve, pump
fault, burst pipe.
Water
temperature
sudden
increase.
No water ow. Check for possible closed valve, pump
fault, burst pipe.
Water ow fault. No water ow or low
water ow.
Air in the cell housing, check for closed
valve, pump fault, burst pipe, etc. If none
detected contact your local Pool Pro
Professional for diagnosis.
Low speed pump not
supplying sufcient
water to cell housing.
Increase the speed of the pump until
housing is lled.
TROUBLESHOOTING