Section 6. TroubleshootingZodiac Pool Systems LLC strongly recommends that you call a qualified service technician to perform any repairson the filter/pump system. To locate an independent service company, check your local yellow pages or visit www.zodiacpoolsystems.com and click on "Support."6.1 TroubleshootingSymptom Possible Problem/SolutionThe cleaning/circulatingsystem is not operatingcorrectly.Verify that skimmer baskets, pump basket and other screens are clean. Clean asnecessary.Check filter and clean as necessary.Check valve positions. Adjust as necessary.NOTE Multiple pieces of equipment operating at one time (for example, waterfalls,spa jets, and surface returns) may prevent the cleaning system from workingproperly.Check the cleaning system manually to ensure that the system is adjustedaccording to the manufacturer's recommendations.Bubbles present in the pumpbasket.Air in system. Check the pool or spa water level to ensure it is at the proper leveland that air is not being drawn into the suction piping. If the water is at normal level,turn off the pump. Remove the lid and check for debris around the lid o-ring seat orimproper installation of the lid seal, as this either of these conditions will cause air toleak into the system. Clean the lid o-ring and place on the lid. Hand-tighten the lidto make an air tight seal. Do not use any tools to tighten the lid. Turn the pumpback on.Air leaks are still present. Check the suction side piping union. While the pump is running, try to tighten theunion. If this does not stop the air leak, turn off the pump. Loosen both unions andslide the pump out of the way. Remove, clean and re-install both union o-rings.Reposition the pump next to the piping and secure the union nuts to the pump. Withclean union o-rings, hand-tightening of the unions should create a seal. If the unionsstill do not seal, gently tighten with a large pair of tongue-and-groove pliers.Do not over-tighten.There is no air in the system,but the pressure is still low.It is possible that debris is caught in the pump impeller. The pump impeller movesthe water, and the vanes in the impeller can become blocked with debris.1. Turn off the pump. Switch off the circuit breaker to the pump motor.2. Remove the lid and basket.3. Look inside the pump for any debris. Remove any debris found inside.4. Replace the basket and lid.5. Switch on the circuit breaker to the pump motor.6. Turn on the pump, and see if the problem is solved.7. If the impeller is still blocked with debris and it is not possible to removethe debris using Steps 2 through 4, the pump will need to be disassembledin order to access the inlet and outlet of the impeller.Page 14ENGLISH Jandy ® Pro Series Stealth ™ Pumps | Operation Manual