Aqua Guard MP425 Manuel du propriétaire - Page 8

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Trouble Shooting

Short Cycle Time

Cycle time will vary between installations and different areas

of the country. Check the following to remedy this problem:

• New pool / spa installation - Until the water in a new pool

is completely filtered, cycle time will be short due to plaster

dust and construction debris. Clean the cartridge, refer to

the "Cartridge Cleaning" section of this owner's manual.

• Low chlorine residual - Maintain proper chlorine residual

(consult local pool professional for recommendation.)

• Dirty or plugged filter cartridge - Clean the filter. Refer to

the "Cartridge Cleaning" section of this owner's manual.

• Excessive air in filter - Vent all air from the filter tank and

check system for suction pipe leaks or low water level. Also,

check and clean air bleed tube.

• Chemical imbalance in water -Check pool chemistry (refer

to Table 1on page 3). Consult local pool professional.

• Algae in system - Apply heavy dose of chlorine or

algaecide as recommended by the pool manufacturer and/

or local professional.

• Cartridge is at the end of its life - When cleaning

procedure no longer adequately cleans the cartridge,

replace the cartridge.

Low Flow / High Pressure

Resistance in or after the filter will reduce the flow and

increase the pressure inside the filter. Check the following

to remedy this problem:

• Dirty or plugged filter cartridge - Thoroughly clean the

filter. Refer to the "Cartridge Cleaning" section of this

owner's manual.

• Piping is blocked downstream from the filter - Remove

the obstruction.

• Return valve is not fully open - Fully open return valve

• Piping is too small - Use larger pipe, consult manufacturer.

• Filter is undersized / pump is oversized - Use a filter with

higher square footage or use a smaller HP pump. Consult a

customer service representative for sizing information.

Low Flow / Low Pressure

Resistance before the filter will reduce the flow and pressure

inside the filter. Check the following to remedy this problem:

• Skimmer basket(s) clogged - Clean the skimmer basket(s).

• Pump plugged - Clean the suction trap in the pump.

• Drain and skimmer valves are not fully open - Fully open

the drain and skimmer valves

• Piping is blocked upstream from the filter: Remove the

obstruction.

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Plugged Cartridge

Over time, the filter media will become clogged and will

not perform properly. If the cartridge cannot be cleaned,

replace it. If the cartridge needs replacement often, check

the following:

• Insufficient cleaning - Refer to the "Cartridge Cleaning"

section of this owner's manual.

• Excessive air in filter - Vent all air from the filter tank and

check system for suction pipe leaks. Also, check and clean

air bleed tube.

• Low chlorine residual - Maintain proper residual. Consult

local pool professional.

• Chemical imbalance in water - Check pool chemistry (refer

to Table 1 on page 3). Consult local pool professional.

• Algae in system - Apply heavy dose of chlorine or

algaecide as recommended by the pool manufacturer and/

or local professional.

• High iron water content - Consult local pool professional.

• Improper use of powdered chlorine tablets containing

binders - Consult local pool professional.

• Cleaning with incorrect chemicals when using PHMB

sanitizers - Replace the filter cartridge. Only use cleaners

specifically made for PHMB sanitizers.

Water Not Clear

A number of factors can affect water clarity. Check the

following to remedy this problem:

• Chemical imbalance in water - Check pool chemistry (refer

to Table 1 on page 3). Consult local pool professional.

• Low chlorine residual - Maintain proper chlorine residual

(consult local pool professional for recommendation).

• Damaged filter cartridge - If cartridge is torn or punctured,

replace it.

• High iron water content - Consult local pool professional.

• Improper use of powdered chlorine tablets containing

binders - Consult local pool professional.

• Algae in system - Apply heavy dose of chlorine or

algaecide as recommended by the manufacturer or local

professional.

Automatic Pool Cleaner Stops Working

Pool cleaners may be noticeably affected by the normal

decrease in flow as the filter becomes clogged. If the filter

stops working, thoroughly clean the cartridge. Refer o the

"Cartridge Cleaning" section of this owner's manual. If the

pool cleaner performs better after the filter is cleaned, clean

the filter more often than recommended.

increase from start-up may be less than 8 - 10 PSI.

Note: pressure