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5. POSSIBLE PROBLEMS, CAUSES AND SOLUTIONS
1)
Presence of algae in the sand which block the filter.
2)
Incorrect chemical disinfection of the water.
3)
Low water flow.
4)
After washing, the filter pressure is
5)
The filtered water is not clear.
6)
The pump does not draw water or the suction time is very long.
7)
The pump does not start.
8)
The pressure gauge oscillates sharply.
9)
The pump loses water.
10)
Noise.
1 2 3 4 5
6
7
X
X
X
X
X X
X
X X
X
X
X
X
X
X
X
X
high.
8
9
10 CAUSES
Short filtration cycles
Short filtration cycles
Filter saturated
X
X Valves half-closed
Defective pressure gauge
The sand in the filter forms
lumps
Incorrect chemical disinfection
of the water
Swimming
insufficient, and draws air
Pump seized, and the shaft
does not turn freely
The pump picks up air
X
X
X
Watertightness failure
Intake of air into the
X
X
equipment
SOLUTIONS
Lengthen the filtration cycles
Backwash the sand until the water in
the inspection window is clear, usually
after 2 minutes
Wash the filter
Check that they are completely open
Replace it
Renew the sand in the filter
The pH must be between 7,2 and 7,6
pool
level
Fill the swimming pool up to half the
level of the skimmer
Contact a technical service
Check the installation up to the pump
suction and eliminate the leaks
Contact a technical service
Repair the leaks
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