Troubleshooting Guide - Intex Krystal Clear SX925 Owner's Manual

TROUBLESHOOTING GUIDE

TROUBLE
FILTER MOTOR FAILS • The motor is not plugged in.
TO START • The GFCI/RCD circuit breaker is
• Motor too hot and overload protection
FILTER DOESN'T • Improper chlorine or pH levels.
CLEAN POOL • No filtering media in tank.
• Wrong 4-way valve setting position.
• Excessively dirty pool.
• The strainer screen is restricting the
FILTER DOESN'T • Trapped air in the system.
PUMP WATER OR • Clogged inlet or discharge.
FLOW IS VERY SLOW • An air leak on the intake line.
• Excessively dirty pool.
• Sand media clogged with dirt.
• Nozzle and strainer connections are
• Crusting or caking on the filtering sand
• Pool vacuuming device attached to the
• Inlet threaded air connector connected
PUMP DOESN'T • Low water level.
WORK • Strainer screen clogged up.
• An air leak on the intake hose.
• Faulty motor or the impeller is jammed.
4-WAY VALVE/ • Sand tank o-ring missing.
COVER LEAKING • Sand tank o-ring dirty.
• Flange clamp not tight.
• 4-way valve damage.
HOSE LEAKING • Hose clamps are not well-fitted.
• Hose o-ring dislodged when connecting the hose.
• Hose broken.
TIMER IS • Possible inner timer defective.
INACCURATE OR
TIMER CAN'T BE SET
PRESSURE GAUGE • Clogged inlet of the pressure gauge.
DOESN'T WORK • Pressure gauge damage.
SAND IS FLOWING • Sand is too small.
BACK INTO THE • Sand bed is calcified.
POOL
AIR JET VALVE • Air jet valve is not tight and facing up.
LEAKING • Air jet valve internal seal blocked.
• Air jet valve internal seal dirty.
• Air jet valve broken.
SMALL LEAK FROM • Accessories attached to the water
AIR JET VALVE
WHEN PUMP IS ON
SAVE THESE INSTRUCTIONS
(354PO) SAND FILTER PUMP ENGLISH 7.5" X 10.3" PANTONE 295U 06/18/2021
CAUSE
tripped.
is shut off.
water flow.
reversed.
surface.
system.
to the wrong hole on the liner.
circulation line.
SOLUTION
• 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 clamps, 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 clamps, check hose for damage.
• Contact Intex service center.
• Remove 4-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 or reinstall hose clamps.
• Put the o-ring back into the groove.
• Replace a new hose.
• 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 4-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 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 (26) over the air jet valve (25). Do not
cover the air jet valve (25) with the valve cap (26) under
normal situation or when the pump is operating.
354
English
PO
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