Ninja NMCU2220N Operating Instructions Manual

Ninja NMCU2220N Operating Instructions Manual Manual pdf 18 page image

18 86326730 NINJA MASTER 200 PSIMaintenanceTroubleshootingPROBLEM CAUSE SOLUTIONLoss of PowerUnit not plugged in Connect unit to 3 prong grounded outlet.Dead electrical circuit Check building circuit breaker or fuse box.Faulty power cord ReplaceElectrical shockReceptacle not grounded Contact an electrician to check building's wiringInternal wiring problem Have a trained service technician checkmachine's wiringVacuum motor speedvaries or doesn't runVacuum circuit breaker tripped Reset BreakerFaulty vacuum motor ReplaceFaulty switch ReplaceLoss of vacuumLoose vacuum dome Center and seal dome over tankCrack in dome or poor joint Replace or repair using acrylic plastic cementonlyLint or dirt clogging vacuum screen With power off clean screenLoose cuffs on vacuum hose Tighten cuffs turning counterclockwiseVacuum motor seals leaking ReplaceFloor tool vac chamber clogged Wash out with hose. Pick lint out with a wireVacuum hose damaged ReplaceRecovery tank full / Float ball stuck inthe up position Turn off power, drain recovery tank.Pump runs no solutionPump inlet screen plugged Clean inlet screenPump not primed Prime pump with priming hoseInternal or external solution linedamaged and leaking ReplacePump runs, loss ofpressureInternal pump components wearing out Replace, see pump kit componentsCheck valves in pump head for particlesor cuts in sealsTake piston from BPR and lubricate with Super-lube. If problem still exists change BPR kitPump will not run Faulty switch ReplaceLoose wiring Repair or replaceSolution hose fittinghard to connect Corrosion on fittings.Clean with steel wool. Soak in acetic acid (whitevinegar). Lubricate lightly with silicone baselubricant.Carpet not gettingclean Severe soil conditions Make several passes at right angles to eachother. Use a pre-spray.Carpet too wet Over saturation Adjust solution pressure to lower settings. Makeseveral passes without sprayCarpet browning Leaving carpet too wet Check for loss of vac pressureToo much chemical Check label for correct solution concentrationSolution not flowingproperlySolution hose connection Check for positive connectionFaulty pump Repair or replaceFaulty floor tool valve / Nozzle Repair or replaceFaulty pump switch Repair