Save these instructions, Troubleshooting guide, English page 20 – Intex SF90110T Krystal Clear 2014 User Manual
Page 20

193
PO
SAVE THESE INSTRUCTIONS
(193PO) MODEL SF90110T SAND FILTER PUMP ENGLISH 7.5” X 10.3” PANTONE 295U 06/21/2013
English
Page 20
TROUBLESHOOTING GUIDE
TROUBLE
CAUSE
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.
• 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.
• Turn off pump, clear any debris or obstruction in the outlet,
remove all air from the filter pump and turn pump on again.
• Turn off pump, if water leaking from the vacuum release
valve, then release valve needs to be replaced. Contact
Intex Service Center immediately to order replacement.
You may cover release valve with the cap temporarily if
you ensure that the strainer cover / strainer grid is installed
and you
Do Not run the pump while pool is occupied.
• 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.
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
• 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.
• 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.
• The vacuum release valve on the
plunger valve is activated.
• The vacuum release valve on the
plunger valve is leaking.
• 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.