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8.10 Weak or Surging Jets
Weak or surging jets are usually caused by an insufcient water supply to the pump or
a clogged or broken pump impeller. The water level may simply be low, or there may
be an obstruction in the water ow path to the pump or in the pump’s impeller. Before
making a service call, ask customer to verify all jets are open.
Suggested Spare Parts: Filter cartridge, Pump
Standard Troubleshooting Approach
Is the water level
OK?
Is the lter cartridge
clogged or dirty?
Is the lter cartridge
installed correctly?
Is the weir gate or
skimmer operating
correctly?
Clean or replace lter
cartridge.
Take pump housing
apart. Is debris
present in pump
impeller? Is the
impeller broken?
If pump suction line
is clear, check for
blockage in plumbing
on the return side
of pump. Call
Technical Support
for assistance in
performing this
verication step.
Remove debris
or replace broken
impeller and retest
system.
Fix lter installation
problem.
Adjust the water level
and retest.
Is there debris or a
loose foreign object
between the lter and
pump input?
Remove debris or
loose foreign object.
No
Yes
Yes
No
No
No No
Yes
Yes Yes
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