30 SCRUBTEC 653B – 653BL – 651BCL – 661BL 9097058000(2)2009-10 AENGLISH USER MANUALTROUBLESHOOTINGTrouble Possible Cause RemedyThe motors do not work; no warning light turns on. The battery connector is disconnected. Connect.The batteries are completely discharged. Charge the batteries.The machine does not move(Only for SCRUBTEC 653BL, SCRUBTEC651BCL, SCRUBTEC 661BL)The machine has been turned on by usingthe ignition key and by keeping the switchespressed.Turn the ignition key to “0”, then try to start themachine again without pressing the switches.The warning lights (81) flash simultaneously. The brush deck motor is overloaded.Use a less aggressive brush suitable for thefloor to be cleaned or avoid working with extrapressure function turned on.The brushes do not work, the red warning light(81c) is on. Discharged batteries Charge the batteries.The recovery water vacuuming is insufficient.The recovery tank is full. Empty the tank.The hose is disconnected from the squeegee. Connect.The vacuum grid is clogged or the float isstuck closed. Clean the grid or check the float.The squeegee is dirty or the squeegee bladesare worn or damaged. Clean and check the squeegee.The tank cover is not properly closed or thegasket is damaged. Close the cover or clean/replace the gasket.The solution flow to the brushes is insufficient.The solution/clean water filter is dirty. Clean the filter.The tank is dirty (the drain hole is clogged). Clean.The Chemical Mixing System tank (optional)is dirty/clogged. Clean with the drain cycle.The squeegee leaves marks on the floor.There are debris under the squeegee blades. Remove the debris.The squeegee blades are worn, chipped ortorn. Replace the blades.The squeegee has not been adjusted with thehandwheel. Adjust it.NOTEIf the machine has a battery charger installed, the machine cannot operate if the charger is not on board. In case ofbattery charger malfunction, contact an authorised Service Center.For further information refer to the Service Manual, available at any Nilfisk Alto Service Center.SCRAPPINGHave the machine scrapped by a qualified scrapper.Before scrapping the machine, remove and separate the following materials, which must be disposed of properly according to theLaw in force:Batteries–Brushes/pads–Plastic hoses and components–Electrical and electronic components (*)–Refer to the nearest Nilfisk Alto Center especially when scrapping electrical and electronic components.(*)
