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Section 7.
Troubleshooting
Always turn pump off prior to attempting service or repair. Your pump and fi lter system is operated under pressure
and pressure must be released before you begin to avoid system damage or personal injury. Open the air relief
valve on your pool fi lter to release the pressure in the system.
7.1 Problems and Corrective Action
Problem
The vessel leaks.
No fl ow to vessel.
Low or no chlorine.
Chlorine level too high.
Chlorine odor.
Cloudy Water, Slimy Walls of
Pool.
Eye and/or skin irritation.
Scale formation on pool
equipment.
2®
Nature
Fusion Inground Installation and Operation Manual
Possible Cause
O-Ring missing or improperly seated.
Faulty plumbing.
Dirty fi lter (one indication: pressure is 8 - 10
psi higher than normal).
Chlorine output set too low.
Chlorine dispensor low or empty.
Low stabilizer (cyanuric acid) level in pool
water (For outdoor pool only).
Insuffi cient operating hours of the unit.
Recent increases in weather temp without
increasing the chlorine production of your
unit.
Temporary loss of chlorine due to heavy
organic load - rain, leaves, fertilizer or heavy
bather load. Pets using pool.
High nitrate level.
Metals present in pool water.
New pool water. Not shocked properly upon
startup.
Chlorine output set too high.
Presence of excess chloramines (combined
chlorine).
It has been six (6) months since present
cartridge was installed.
Combined algae and bacteria growth.
Improper water balance.
Incorrect pH causing minerals to come out of
solution.
High total hardness.
WARNING
Corrective Action
Make sure o-ring is secure in the groove
on the vessel housing, not on the cap.
Repair the source of leak in plumbing.
Clean or backwash fi lter.
Turn the chlorine output handle to a higher
output number.
Refi ll the chlorine dispensor with tri-chlor
tablets.
Add stabilizer to maintain 10 - 50 ppm
(see Section 4.6, Table 1).
Increase the system operating time per
day.
Increase chlorine production by turning the
chlorine output handle to a higher output
number. Set the pump to run for 24 hours.
After 24 hours, recheck chlorine levels. If
still too low, super chlorinate with alternate
source.
Contact a qualifi ed service representative.
Contact a qualifi ed service representative.
Super chlorinate the pool.
Turn the chlorine output handle to a lower
output number.
Manually shock the pool.
Replace cartridge.
Brush down the affected walls and follow
the directions in Section 5.1.1 Shocking.
Balance the water to recommended levels
in Section 4.5.
Adjust total alkalinity to 80 - 120 ppm.
Then adjust pH to within 7.4 - 7.6
Dilute pool with fresh water. Consult a
qualifi ed service representative regarding
use of a sequestering agent.
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