18 SCRUBTEC 343E 909 6315 000(4)2009-11 AENGLISH USER MANUALTROUBLESHOOTINGTrouble Possible Cause RemedyThe motors do not turn on The power supply cable (21) is faulty ordisconnected from the electrical mains Replace or connect the cableThe dirty water vacuuming is insufficientThe recovery water tank (26) is full EmptyThe vacuum grid (36) is clogged or the floatis closing Clean the grid and check the floatThe vacuum hose (22) is disconnected fromthe squeegee (11) or it is damaged ConnectThe squeegee (11) is dirty, or the squeegeeblades (13, 14) are worn or damaged Clean the squeegee or replace the bladesThe recovery water tank cover (6) is notproperly closed, or the gasket (32) isdamagedCheck and/or clean the seating surface orreplace the gasketThe recovery water tank (6) is dirty (cloggeddrain hole) CleanThe solution flow is insufficient The solution filter (20) is dirty CleanThe squeegee leaves marks on the floorThere is debris under the squeegee blades(13, 14). Remove the debrisThe squeegee blades (13, 14) are worn,chipped or torn Replace the bladesFor 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:Brush–Pad–Electrical and electronic components (*)–Refer to the nearest Nilfisk Alto Center especially when scrapping electrical and electronic components.(*)