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Section 7. Troubleshooting and Repair
Jandy strongly recommends that you call a qualified service technician to perform any repairs on the filter/pump
system. To locate a qualified technician, visit jandy.com or jandy.ca.
NOTE:
Never work on pump without making certain power is off.
Symptom
Pump will not prime
Jandy
JCP Series High Performance Commercial Pumps
®
Possible Cause
Suction air leak.
No water in pump or strainer.
Closed valves or blocked lines.
Pump is too high above pool
Pump is too far away from pool
Pump spinning backwards
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Installation & Operation Manual
Solution
Ensure all flange bolts are tightened properly and the
gaskets are positioned centrally on the flange. Verify
the plumbing is level and flange connections are parallel
to each other. Ensure the strainer pot lid is installed
correctly and the O-ring is free of tears and all debris. If
necessary, clean the O-ring with soapy water or replace.
Inspect the lid for cracks. Make sure all drain plugs are
tight.
Ensure the strainer pot is either installed on the pump
inlet or the outlet plumbing from the strainer is on the
same level as the inlet to the pump. The JCP pump is not
a self priming pump unless the strainer pot is included on
the suction side. The strainer must not be installed below
grade of the pump. When filling the strainer pot with
water, fill until the water level reaches the inlet plumbing.
In flooded suction cases, the strainer may be filled higher
to minimize the amount of air in the strainer pot when the
pump starts. Ensure the pool water level is not below the
skimmer.
Open all valves in the system. Clean the skimmer and
pump strainer baskets. Open the pump and check for
debris inside the impeller.
The pump must not be more than 10ft above the pool
surface. If possible, reduce the height of the pump from
the surface of the water. The higher the pump is installed
above the surface, the longer it will take to prime. Priming
to heights of 10 ft may take up to 10 minutes. If the pump
does not prime within 45 minutes, check for inlet plumbing
leaks.
Check the distance from the pool and ensure a check
valve is in place for long distance inlet plumbing. Check
valves will keep the inlet plumbing filled with water when
the pump is not operating.
The proper rotation for the pump is clockwise-lead end.
Ensure the motor is spinning in the same direction as
indicated on the rotation labels located on the pump and
motor. The motor rotation can be reversed by switching
any 2 line leads for three phase motors. For single phase
motors that can rotate in both directions, refer to the
motor's wiring diagram.
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