Nilfisk-Advance MC 5M Instructions For Use Manual

Also see for MC 5M: Instructions for use Instructions for use Instructions for use

Contents

Nilfisk-Advance MC 5M Instructions For Use Manual Manual pdf 21 page image

22 1) Options / model variantsOriginal instructionsMC 5M - MC 6P - MC 7P8 TroubleshootingFault Cause RemedyPressure drop • Air in the system • Vent the system byoperating the spray gunseveral times at shortintervals. If necessary,operate the cleaner for ashort time without the high-pressure hose connected.• High pressure nozzle blockedworn• Clean/replace the highpressure nozzle• Detergent tank empty • Top up detergent tank orset detergent to “0”Pressure fluctuations • Pump draws in air (onlypossible in suction mode)• Check that the suction setis air-tight• Lack of water • Open water tap• Water inlet hose is too longor its cross-section too small• Use a water inlet hosethat can provide the waterflow (Qmax ) defined for themachine• Lack of water caused byblocked water filter• Clean the water filter in thewater connection (neverwork without water filter)• Lack of water because max.permissible suction heighthas not been heeded• See instructionsThe motor does not start whenthe cleaner is switched on••The plug is not insertedproperly, i.e. there is nocurrentOil level too low••Check the plug, lead andswitch and if necessaryhave them replaced by askilled electricianCheck oil/add oil••The mains fuse is switchedoffThe overload protectionhas been activated due tooverheating or overloading ofthe motor••Switch on the mains fuseCheck that the mainsvoltage and the cleanervoltage are the same.Switch off the cleaner andallow it to cool for at least 3minutesWhen the cleaner is switchedon the motor buzzes withoutstarting• The mains voltage is too lowor there is a phase failure.• Have the electricalconnection checked• The pump is blocked orfrozen• Contact the Nilfiskcustomer service• Incorrect cross-section orlength of the extension lead• Use lead with correct crosssection or lengthThe motor switches off • The overload protectionhas been activated due tooverheating or overloading ofthe motor• Check that the mainsvoltage and the cleanervoltage are the same.Switch off the cleaner andallow it to cool for at least 3minutes• High-pressure nozzle is dirty • Change the high-pressurenozzle