193
GS
SAVE THESE INSTRUCTIONS
(193GS) MODEL SF90220T SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/03/2016
English
Page 20
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 the clamp with wrench supplied.
• 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.
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
• 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.
TROUBLE CAUSE SOLUTION
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