Ninja 621-222MO Operating Instructions Manual

Also see for 621-222MO: Operating instructions

Ninja 621-222MO Operating Instructions Manual Manual pdf 17 page image

TROUBLESHOOTINGNINJA INTL 86038610 03/29/07 4-5PROBLEM CAUSE SOLUTIONDead electrical circuit Check building circuit breaker or fuse box.Loss of Power Faulty power cord ReplaceEquipment not grounding Follow grounding instructions exactlyReceptacle not grounded Contact an electrician to check building’s wiringElectrical shockInternal wiring problem Have a trained service technician check machine’swiringWorn motor brushes ReplaceMotor worn out ReplaceVac motor speed variesor doesn’t run Faulty switch ReplaceLoose vacuum dome Center and seal dome over tankCrack in dome of poor joint Replace or repair using acrylic plastic cement onlyLint or dirt cloggingvacuum screen With power off clean screenLoose cuffs on vacuumhose Tighten cuffs turning counterclockwiseVac motor seals leaking ReplaceFloor tool vac chamberclogged Wash out with hose. Pick lint out with a wireLoss of vacuumVac motor, hose, or domegasket ReplacePump inlet screensplugged Clean inlet screensPump air locked Press trigger to open valve on cleaning wand torelieve airPump runs no solutionInternal or externalsolution line damaged andleakingReplaceJet orifice on cleaningwand is to large Total jet opening for 100 psi should be .06 to .08Internal pump componentswearing out Replace, see pump kit components (pg 4-3)Note: Operation of pump using a wand or hand tool with an orifice of less than .06will cause pump to cavitate or pulsate and could result in premature wear of pumpcomponents.Pump runs, loss ofpressureCheck valves in pumphead for particles or cuts insealsTake piston from BPR and lubricate with Superlube.If problem still exists change BPR kitUnit not plugged in Connect unit to 3 prong grounded outletPump will not run Loose wiring See dealerSolution hose fitting hardto connect Corrosion on fittings. Clean with steel wool. Soak in acetic acid (whitevinegar). Lubricate lightly with silicone base lubricant.Carpet not getting clean Severe soil conditions Make several passes at right angles to each other.Use a pre-spray.Carpet too wet Over saturation Adjust solution pressure to lower settings. Makeseveral passes without sprayLeaving carpet too wet Check for loss of vac pressureToo much chemical Check label for correct solution concentrationCarpet browning Light carpet with no brownprevention Go over carpet with browning prevent onlySolution hose connection Check for positive connectionFaulty pump Repair or replaceFaulty floor tool valve Repair or replaceSolution not flowingproperlyFaulty pump switch Repair