14englishATTIX 360-2MATTIX 550-2M / ATTIX 560-2MXCATTIX 751-2M / ATTIX 761-2MXC1) Option depending on modelFault Cause Remedy‡ The acoustic warningsounds. (Reduced suctionpower)> Filter element is clogged. • See section 4.5/4.6 „Cleaningfilter element“ and 7.2.5/7.2.6„Replacing filter element“.> ATTIX 560-2MXC/761-2MXConly:Defective cleaning mecha-nism• Contact Nilfisk-Alto Service‡ No suction power duringwet cleaning> Tank is full. (Float does notclose the suction opening).• Switch off the cleaner. Emptythe tank.‡ The vacuum cleanerswitches off during wetcleaning> Tank is full. • Switch off the cleaner. Emptythe tank.‡ Voltage fluctuations > Impedance of power supply istoo high.• Connect the cleaner to an-other socket closer to the fusebox. Voltage fluctuations over7% should not occur if the im-pedance at the transfer pointis ≤ 0.15 Ω .9.2 Guarantee Our general conditions of busi-ness are applicable with regardto the guarantee. Subject tochange as a result of technicaladvances.9.3 Tests and approvals The vacuum cleaners have beentested as specified in IEC/EN60335-2-69 including appendixAA. All the requirements werefulfilled for equipment in dustclass M.The vacuum cleaners must beinspected regularly in accord-ance with national accident pre-vention regulations (in Germanyas specified in BGV A2 and DINVDE 0701 Part 1 and Part 3, atregular intervals and after re-pairs or modifications).A dust test must be performedat least once every year by themanufacturer or a trained per-son. This test covers, for exam-ple, whether there is damage tothe filter, the vacuum cleaner issealed to the air and the controlequipment works properly.9 Further information9.1 Recycling the vacuumcleanerMake the old cleaner unusableimmediately.1. Unplug the cleaner and cutthe power cord.Do not discard of electrical ap-pliances with household waste.As specified in European Direc-tive 2002/96/EC on old electricaland electronic appliances, usedelectrical goods must be col-lected separately and recycledecologically.Contact your local authorities oryour nearest dealer for furtherinformation.