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8.8 Weak Or Surging Jets
Weak or surging jets are usually caused by an insuf cient water supply to the pump or
a clogged or broken impeller. The water level may simply be too 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 the customer to verify that all jets are open and that there is suf cient water in the
hot tub.
Suggested Spare Parts (Page 59): Filter, pump.
Standard Troubleshooting Approach
Remove debris or
loose foreign object.
No
No
No
No
Ye
s
Ye
s
No
Yes
Yes
Yes
Is water level
OK?
Are filter cartridges
clogged or dirty?
Clean or replace
filter cartridges.
Adjust water
level.
Are the filters installed
correctly?
Remove debris or
replace broken
impeller
Take pump housing
apart. Is debris
present in pump
impeller? Is the
impeller broken?
Is there debris or a
loose foreign object
between the filters
and pump input?
If pump suction line is
clear, check for
blockage in plumbing
on the return side of
pump. Call Jacuzzi
Premium
Technical
Support for assistance
in performing this
verification step.
Fix filter installation
problem.