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Water has been used for a
long period of time
Insufficient filtering time
Water is not
clean
Dirty filter cartridge
Improper water maintenance
Spa tub is an
Excess air pressure due to
abnormal
strong sunlight
shape
Turns off after 10 minutes
Bubble air
blower does
not work
Internal parts damaged
Inflation knob is in <ON>
position
Filter cartridge clogged by
Filter pump
dirt or other foreign material
does not work
Filter system failure
Change the water.
Extend the filtration time.
Clean or replace the filter cartridge.
Refer to the chemical manufacturer's
instructions
Check the air pressure and release air if
necessary.
During hot weather, it is advisable to
check whether some air should be
released to avoid any possible damage
to the spa pool.
Wait for 10 minutes and press the
BUBBLE button on the controller again.
Contact help.Koga.com for assistance.
Turn the knob to <OFF> position and
press the BUBBLE button on the
controller again.
Clean or replace the filter cartridge.
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