128
GS
SAVE THESE INSTRUCTIONS
Page 18
(128GS) MODEL SF20220R SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 10/28/2011
TROUBLESHOOTING GUIDE
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English
• 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 pond 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.
• Clean the pre-filtering basket more often.
• Backwash filter.
• Remove about 1” of sand if necessary.
• Remove any pond vacuuming device
attached to the system line.
• Fill pond to correct water level.
• Clean strainer screens at pond inlet.
• 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.
FILTER MOTOR
FAILS TO START
FILTER DOESN’T
CLEAN POND
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
POND
• The motor is not plugged in.
• The fuse box needs checking.
• 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 pond.
• The strainer screen is
restricting the water flow.
• Clogged inlet or discharge.
• An air leak on the intake line.
• Excessively dirty pond.
• Sand media clogged with dirt.
• Nozzle and strainer
connections are reversed.
• Crusting or caking on the
filtering sand surface.
• Pond vacuuming device
attached to the system.
• Low water level.
• Strainer screen clogged up.
• 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.
TROUBLE
CAUSE SOLUTION
IMPORTANT
If you continue to experience difficulty, please contact our Consumer
Service Department for assistance. See back cover for contact information.
