USER MANUAL ENGLISHSR 1301 P 1463388000(1)2008-05 A 31TROUBLESHOOTINGTrouble Possible cause RemedyThe engine does not start with the ignitionkey.The hood (13) is not properly closed. Close the hood properly.The engine oil level is too low. Check that the engine oil level is within the limits (*).The machine has run out of fuel. Check that there is fuel in the tank (30).The fuel does not reach the carburettor. Check that the fuel reaches the carburettor and thatthe fuel filter is clean. (*)The spark plug does not produce a spark. Check that the spark plug produces a spark. (*)The engine stops during operation.The engine oil level is too low. Check that the engine oil level is within the limits (*).The machine is running out of fuel. Check that there is fuel in the tank (30).The fuel filter is dirty. Clean the fuel filter. (*)The machine collects little debris/dust.The vacuum system is turned off. Turn on the vacuum system with the switch (56).The dust filter is clogged. Clean the dust filter.The hopper is full. Empty the hopper (4).The skirts are not integral or not properlyadjusted.Check the skirts (16, 17, 18, 19) for integrity andproper adjustment.The broom height is not properly adjusted. Adjust the height of the brooms (10, 11, 12).When pressing the drive pedal, themachine does not move, or it movesslowly.The parking brake is engaged. Check that the parking brake (84 and 76) has beenreleased.The hydraulic system oil level is incorrect. Check the hydraulic system oil level in the tank (28).The centrifugal pulley does not operateproperly.Check that the centrifugal pulley (petrol engine-drivepump coupling joint) operates properly. (**)The drive pedal is not properly adjusted. Adjust the drive pedal. (**)The hopper does not lift. The hydraulic system oil level is incorrect. Check the hydraulic system oil level in the tank (41).The F4 or F7 fuse is open. Replace the fuse.The hopper does not dump. The F7 fuse is open. Replace the fuse.The hopper is not lifted enough. Lift the hopper over 300 mm.The hopper does not lower.The hopper has not returned to horizontalposition. Turn the hopper to horizontal position.In case of particular weather conditions, thehydraulic system oil is slow in flowing throughthe safety valve.Wait a few moments to let the hydraulic system oilflow.When the engine compartment hood (13)is open, the engine keeps running. The hood safety microswitch does not work. Repair the microswitch. (**)(*) For the relevant procedure, see the Petrol Engine Manual.(**) Procedure to be performed by Nilfisk Service Center.For further information, refer to the Service Manual, available at any Nilfisk Service Center.