Troubleshooting19ProblemMotor will not start SOLUTION: A,BLow/Surging pressure or no water flow SOLUTION: C,D,E,F,G,HNo chemical injection SOLUTION: I,J,K,LCause SolutionA- Tripped GFCI cord Reset GFCI cordB- Tripped motor relay Reset motorC- Insufficient water supply See water supply section of this manualD- Plugged pump inlet filter See maintenance section of this manualE- Wrong nozzle Make sure high pressure nozzle is being usedF- Plugged nozzle Remove nozzle, check for blockageG- Worn nozzle Replace nozzleH- Leak in pressure hose Replace pressure hoseI- Wrong nozzle Make sure chemical nozzle is being usedJ- Back pressure from extra long discharge hose Try shorter hoseK- Leak in chemical siphon hose Replace hose – use hose clamps if necessaryL- Chemical strainer not submerged Make sure strainer is completely submergedThe manufacturer reserves the right to make improvements in designand/or changes in specifications at any time without incurring anyobligation to install them on units previously sold.Any Questions, Comments, Problems or Parts OrdersCall NorthStar Product Support 1-800-270-0810