Fault Finding - Numatic WBV470NX Original Instructions Manual

Information for WET & DRY use Battery Vacuum Cleaners
Warning
Read the instruction manual before using the machine.
Operators shall be adequately instructed on the use of these machines.
As with all electrical equipment, care and attention must be exercised at all times during use, in addition to ensuring that routine
and preventative maintenance is carried out periodically to ensure safe operation.
Failure to carry out maintenance as necessary, including the replacement of parts to the correct standard could render this
equipment unsafe and the manufacturer can accept no responsibility in this respect.
The machine shall be switched off and the battery removed before cleaning or maintenance and when replacing parts or
converting the machine to another function.
This machine is not to be used by children or persons with reduced physical, sensory or mental capabilities, or lack of experience
or knowledge.
Children being supervised are NOT to play with the machine. This appliance is intended to be assembled, cleaned and maintained
by an adult. This machine is not a toy. This machine is not suitable for picking up hazardous or explosive dust. Contact your local
distributor if you require a machine capable of performing these tasks.
Caution
If foam/liquid comes out of machine exhaust, switch off immediately.
Allow the accumulated liquid to drain out through the machine exhaust, check the fl oat assembly to ensure correct
operation, empty the container if full of liquid, reassemble the machine.
Immediately upon start up there will be a certain amount of liquid issuing from the machine exhaust which will be the
residue of liquid still within the power head. This will be quickly discharged after which the machine should function normally.
Liquid ejected from the machine could be hazardous as a result of its temperature, pressure or chemical content.
Ensure that the fi ltration system fi tted to the machine is suitable for the material being collected.
This machine is for indoor use only. This machine shall be stored indoors only.
When moving from one place to another, consider the weight of the machine.
Notes
This product complies with the requirements of clause 20 of IEC/EN 60335-2-69 Stability and Mechanical Hazards.
The primary use for this machine is commercial, for example in hotels, schools, hospitals, factories, shops and offi ces.
If the vacuum cleaner stops working, remove the battery before investigating where the fault lies.
The vacuum cleaner should be inspected after use for damage.
Do
• Use a bag and fi lter at all times when using 'dry'.
• Keep your machine clean.
• Keep fi lters clean.
• Regularly clean the water level limiting fl oat safety valve and examine for signs of damage or correct operation.
• Keep hoses and tubes clear.
• Replace any worn or damaged parts immediately.
• Wet fi lters and the interior part of the liquid container shall be dried before storage.
Don't
• Use steam cleaners or pressure washers to clean the machine or use the machine in the rain.
• Immerse in water for cleaning.
• Allow any inexperienced repairs. Call the experts.
• Use wet if fl oat valve is not functioning or fi tted.
• Use to suck up hot ashes, or lighted cigarette ends.
• Walk over-wet carpets, upholstery or fabrics.
• Walk on clean carpets until fully dry.
• Attempt machine maintenance or cleaning unless the battery has been removed from the machine head.
• Under any circumstances place foreign objects including (but not limited to) air fresheners, air freshener capsules or
scented beads of any type into the top fi lter of the machine. Doing so can be dangerous and risk damage to the machine
and may invalidate the machine warranty.
Dry Mode maintenance/fault fi nding
If the vacuum cleaner stops working switch off and remove the battery before investigating were the fault lies.
If the vacuum cleaner will not pick up any debris from the surface, switch off and remove the battery, inspect the fl oor tool, wands
and hose for blockages, if no blockages are found, the dust bag may be full if the dust bag is not full the fi lter may be blocked.
Wet mode
If the vacuum cleaner stops working switch off and remove the battery before investigating were the fault lies.
If the vacuum cleaner has a blockage and will not pick up liquid, switch off and remove the battery. Has the fl oat valve operated?,
this will shut off the suction and the pitch of the vacuum motor will change.
Remove the power head and empty the liquid out of the container, if the container is empty, check that the fl oor tool wands and
hose are not blocked.
Flush the system with clean water after use.
After use always inspect the machine for damage.

Fault Finding