Espa FILTERKIT PLUS - Troubleshooting

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