Nilfisk-ALTO 590, 590B manual 11

HOWTOCORRECTPROBLEMSINTHEMACHINE

Problem	Cause	Action
The machine does not run.	There is no power.	There is an obstruction. See "Circuit Breaker" in the
		manual. The electrical outlet, power cord, electrical
		switches and motor brushes are to be checked.
		Electrical inspections must be made by a person
		authorized to do maintenance. Electrical repairs must
		be made by a person authorized to make electrical
		repairs.
		Also check for proper battery voltage on the 590B.
The machine does not remove	The filter bag is dirty.	If the bag is 1/3 full, clean the cloth bag and turn it
debris from the floor.		inside out. If the machine is used to pick up heavy
		debris, clean the bag before it is 1/3 full.
	The brush does not turn	Return the machine to a Clarke Service Branch or a
	clockwise when seen from	Clarke authorized Service Center to have the motor
	the right-hand side of the	wired correctly.
	machine.
	The brush setting is not	Change the brush setting. If the brush is set too low on
	correct.	a deep pile carpet, the housing can stop the air flow.
	The brush is worn.	Replace the ¾" brush.
If the bag does not inflate.	The fan belt is slipping or	Adjust the fan belt or replace.
	broken.
The brush does not rotate.	There is an obstruction in	Remove the obstruction.
	the bearings on the end of
	the brush.
	The belt is broken or loose.	Replace or tighten the belt.
	There is low line voltage.	Remove other appliance on the line or provide a
		separate circuit.
	The brush drive motor will	Push the circuit breaker button.
	not run.	Check the battery voltage on the 590B.

Clarke® Model 590/590B Operator's Manual Page 11