The Pool Factory APF325PRO Owner's Manual page 12

Operating Instructions and Parts List
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 algicide 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. Follow
the instructions in the "Cartridge
Cleaning" section of this owner's
manual (Page 8).
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 pool 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
at 1-877-278-2797.
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:
Thoroughly clean the skimmer
basket(s).
Pump plugged: Thoroughly 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.
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: Closely follow
the instructions in the "Cartridge
Cleaning" section of this owner's
manual (Page 8).
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 (See
Figure 5).
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 algicide as recommended
by the pool manufacturer and/or
local professional.
High iron content in water: 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.
1 2
Water Not Clear
A number of factors can affect water
clarity. The following causes should be
checked:
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 content in water: 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 algicide as recommended
by the pool manufacturer and/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 to the "Cartridge Cleaning"
section of this owner's manual
(Page 8). If the pool cleaner performs
better after the filter is cleaned,
clean the filter more often than
recommended [Note: pressure increase
from start-up may be less than 8 psi to
10 psi (55 kPa - 69 kPa)].