341
GS
SAVE THESE INSTRUCTIONS
(341GS) MODEL SF90220RC-1 SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/29/2021
English
Page 21
TROUBLESHOOTING GUIDE
• Line cord must be plugged into a 3 wire outlet that is
protected by a Class A Ground Fault Circuit Interrupter,
or RCD.
• Reset circuit breaker. If circuit breaker trips repeatedly,
your electrical system may have a defect. Turn off
circuit breaker and call an electrician to correct the
problem.
• Let the motor cool down and restart again.
• Adjust the chlorine and pH level. Consult your local
swimming pool supply stores.
• Load with filter sand, see “sand loading instructions”.
• Set valve to “FILTER” position.
• Operate the filter for longer periods.
• Clean the strainer screen at the inlet.
• Release the air, see operating instructions section.
• Clear any obstructions in the intake hose by
discharging it inside pool wall.
• Tighten hose nuts, check hoses for damage, check
pool water level.
• Backwash filter.
• Install the nozzle at the upper position of the pool inlet,
and the strainer at the lower position of the pool outlet.
• Remove about 1” of sand if necessary.
• Remove any pool vacuuming device attached to the
system line.
• Make sure the inlet threaded air connector is
connected to the pool inlet upper hole.
• Fill pool to correct water level.
• Clean strainer screens at pool inlet.
• Tighten hose nuts, check hose for damage.
• Contact Intex service center.
• Remove 6-way valve cover and ensure the o-ring is in
place.
• Clean sand tank o-ring with garden hose water.
• Tighten securely.
• Contact Intex service center.
• Tighten/reinstall hose nut.
• Ensure o-ring/L-shape o-ring is in place and not
damaged.
• Turn off the pump and restart 5 minutes later.
• Re-set the timer.
• Contact Intex service center.
• Clear any obstructions in the intake by unscrewing it
from the 6-way valve.
• Contact Intex service center.
• Use only No. 20 silica sand with particle size range 0.45
to 0.85 mm (0.018 to 0.033 inches) and a Uniformity
Coefficient less than 1.75.
• Change sand.
• Tighten or reinstall plunger valve.
• Tighten air jet valve and make sure it’s facing up.
• Turn pump ON and run for few seconds, then turn
OFF, repeat 3 times.
• Remove air jet valve, flush dirt out with water and
replace valve back.
• Replace a new air jet valve.
• Remove all the accessories (such as solar mat, auto
pool cleaner, LED light) from the water circulation
line and place the air jet valve cap
(34)
over the air
jet valve
(38)
. Do not cover the air jet valve
(38)
with
the valve cap
(34)
under normal situation or when the
pump is operating.
FILTER MOTOR FAILS
TO START
FILTER DOESN’T
CLEAN POOL
FILTER DOESN’T
PUMP WATER OR
FLOW IS VERY SLOW
PUMP DOESN’T WORK
6-WAY VALVE/COVER
LEAKING
HOSE LEAKING
TIMER IS
INACCURATE OR
TIMER CAN'T BE SET
PRESSURE GAUGE
DOESN’T WORK
SAND IS FLOWING
BACK INTO THE
POOL
INLET THREADED
AIR CONNECTOR / AIR
JET VALVE LEAKING
SMALL LEAK FROM
AIR JET VALVE
WHEN PUMP IS ON
• The motor is not plugged in.
• The GFCI/RCD circuit breaker is
tripped.
• Motor too hot and overload protection is
shut off.
• Improper chlorine or pH levels.
• No filtering media in tank.
• Wrong 6-way valve setting position.
• Excessively dirty pool.
• The strainer screen is restricting the
water flow.
• Trapped air in the system.
• Clogged inlet or discharge.
• An air leak on the intake line.
• Excessively dirty pool.
• Sand media clogged with dirt.
• Nozzle and strainer connections are
reversed.
• Crusting or caking on the filtering sand
surface.
• Pool vacuuming device attached to the
system.
• Inlet threaded air connector connected
to the wrong hole on the liner.
• Low water level.
• Strainer screen clogged up.
• An air leak on the intake hose.
• Faulty motor or the impeller is jammed.
• Sand tank o-ring missing.
• Sand tank o-ring dirty.
• Flange clamp not tight.
• 6-way valve damage.
• Hose nut not securely tight.
• Hose connection fitting o-ring/
L-shape o-ring missing.
• Possible inner timer defective.
• Clogged inlet of the pressure gauge.
• Pressure gauge damage.
• Sand is too small.
• Sand bed is calcified.
• Plunger valve not well-fitted.
• Air jet valve is not tight and facing up.
• Air jet valve internal seal blocked.
• Air jet valve internal seal dirty.
• Air jet valve broken.
• Accessories attached to the water
circulation line.
TROUBLE
CAUSE SOLUTION
