-7-
7. TROUBLE SHOOTING
Trouble Possible
Cause
Remedy
Cartridge plate fixture and handle are
not fully secured or tamis bags are
not in place.
Examine if the parts are positioned
correctly and lock by the plate fixture
tightly.
Imperfect filtration.
There are impurities remaining in the
barrel.
Clean the barrel with some clean water
when cleaning filter.
No liquid appears from the
outlet and the pressure is very
high during operation.
Filter medium and outlet pipe are
blocked.(For example, valves are not
open.)
Clean the medium or examine outlet
pipe. Open in-outlet valves.
The filter medium is cleaned.
There is little outpouring of
liquid and the pressure is high.
Filter medium’s tubes are blocked;
impurities can’t be removed.
Replace the whole filter cartridges with
new ones.
No liquid appears inside of chamber.
Check and repair the pump.
Inlet valves are not open.
Check the inlet pipe.
No liquid appears in outlet and
no pressure indications.
Air is sucked in the inlet pipe or the
pipe is blocked.
Open inlet valves.
The pump sucks in air.
Check the inlet pipeline for leaks.
There is little outpouring and
air is mixed in.
The liquid tank’s pipe is too close to
the filter’s inlet pipe or the inlet pipe
has become loose.
1.
Keep the tank’s pipe farther from inlet
pipe.
2.
Check & fix the pipe constantly to
avoid air being sucked in.
Pressure gauge & gauge seat is not
well sealed.
Take off the gauge, wrap up with tape
seal and re-install.
Pressure gauge doesn’t work.
The gauge is damaged.
The gauge seal is damaged.
The inside part of gauge seat seal is
not filled with liquid.
Replace the gauge with new one.
Replace the gauge seal with new one.
Take the gauge apart and add some clean
water.
The inside part of gauge seat seal is
not filled with liquid.
Take the gauge apart and add some clean
water.
Deformed seal.
Replace the seal.
The pressure gauge is not
accurate.
The gauge is damaged.
Replace the gauge.
Cover O-ring is not clean.
Wash the O-ring neat.
Impurity on the surface of barrel.
Clean the surface of barrel.
A little leakage from filter’s
cover.
The O-ring is damaged or the rubber
material got hard
Replace the O-ring with a new one.
Low flow rate from the outlet,
but there isn’t any problems
with the medium.
Motor rotating the wrong direction.
Pump impeller is stuck.
1.
Correct the contact line of motor.
2.
Clean out the impurities.
Summary of Contents for FKH
Page 7: ......
