Nilfisk-Advance SW4000 Service Manual

Also see for SW4000: User manual Quick start guide Instructions for use Quick start guide Service manual

Contents

Nilfisk-Advance SW4000 Service Manual Manual pdf 120 page image

Engine System - LPG120Service Manual – SW4000TroubleshootingTrouble Possible causes RemedyThe engine does not start The fuel does not reach the carburettor. Check that the tank valve is open (LPG)The air control is in standard position. Turn the lever to cold start position.The oil level is low. The Oil Alert sensor is activated. Top up with the recommended oil to the properlevelThe spark plug is damaged, dirty or the distance betweenthe electrodes is wrongCorrect the distance between the electrodes andreplace the spark plugThe spark plug is wetted with fuel Dry the spark plug and reinstall it. Start theengine with the choke lever turned to MAXposition.The spark plug does not produce a spark. Check or replace the spark plug.The fuse (F3) and/or (F0) is open. Check/replace the fuses.The electromagnetic switch (ES2) is faulty ReplaceThe LPG safety relay (KT1) is faulty ReplaceThe batteries are discharged. Recharge with a proper battery charger.The emergency push-button has been pressed. Check and release the emergency push-button.The engine loses power orstops during operation.The filter element or elements are clogged Clean or replace the filter elementsPoor quality power supply Replace the tank.The fuel filter is clogged, the carburettor is broken, thestart system is broken, the valves are locked, etc.Replace or repair the faulty components asnecessary (take the engine to an authorizedHonda service centre)The display shows the LOUcode.The working conditions are disadvantageous for thebatteries.Decrease the main broom pressure on the floor.Avoid driving uphill for long.Turn off the working lights.If the problem persist, maybe it is necessary tocalibrate the engine rpm.The display shows the HIUcode.The battery charge is excessive. Turn off the engine each time the machine isstopped.If the problem persist, maybe it is necessary tocalibrate the engine rpm.