Manual Nilfisk Supreme 250 (page 15 of 26) (English)

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All work involving the 240 volt mains electricity

supply must be carried out by a qualiﬁ ed electrical

contractor with full knowledge of the relevant safety

regulations.

The vacuum cleaner will not start

Thermal protector

The vacuum cleaner has a thermal cut-out that trips if the

vacuum cleaner becomes overheated.

Supreme 100 / Supreme 150 / Performer 150 /

Supreme 250 / Performer 250

If this happens - unplug the main power cord to reset the

vacuum cleaner. Wait 5-10 minutes to allow the machine to

cool down. While you are waiting, check the hose, dust bag

and ﬁ lter to be sure that nothing is blocking the ﬂ ow of air

through the machine. The vacuum cleaner should now start

again. If the cut-out trips again, you need to get a service

ﬁ rm to remedy the fault.

Supreme LCD

When the overheat symbol in the display on the cleaner is

activated (models with display) the cleaners’ thermal cut-out

has tripped. For more information regarding thermal cut out,

see Overheat indicator.

Other troubleshootings

• Are you using the correct hose?

Only the original hoses ﬁ t correctly.

• Does the vacuum cleaner start when you try a different

vacuum socket? If so, there is a fault in the electrical con-

nection to the ﬁ rst socket. Unscrew the socket and check

the connection at the back.

• Is the power supply connected to the vacuum unit?

• Is there power at the socket?

• Is the low-voltage lead connected to the vacuum unit?

• The batteries to the radio remote control (wireless version

of vacuum cleaner) may have been discharged. Replace

the batteries with new ones, type 1.5V AAA.

The vacuum cleaner will not stop

• Has a metal object become lodged in one of the vacuum

sockets causing the pins to become fused?

Poor suction power

• Are all the vacuum sockets closed properly?

• Has something become jammed in one of the vacuum

sockets?

• Is the container lid closed properly?

• Is the gasket between the container and the lid in place?

• Is it damaged?

• Is the pipe system blocked?

• Is the dust bag full or clogged?

• Is ﬁ lter clogged?

Supreme LCD Display

The Supreme LCD model has a display giving information

about the machine, Fig. 21.

Speed level

When the start button is pushed or the hose is connected to

the wall socket, the display will turn on and show the speed

level.

10 Troubleshooting

Dust bag/bag ﬁ lter indicator

When the dust bag/ﬁ lter symbol starts to ﬂ ash during opera-

tion, the cleaner tells you that it is almost time to clean the

bag ﬁ lter and replace the dustbag. When it is time to do so,

symbol will be lit continuously. The dust bag/ﬁ ler symbol will

be lightened after every 20 operation hours of the cleaner. If

the symbol is lit, do like this: Turn off the cleaner by the hose

handle (remote versions) or remove the suction hose from

the wall inlet or by pushing the on/off switch on the display.

Then check if the bag ﬁ lter/dustbag is clogged. Replacement

is described in chapters 7.1, 7.2, 7.3 and 7.4.

Reduced airﬂ ow indicator - lit

The reduced airﬂ ow symbol on the display indicates that

the airﬂ ow through the vacuum cleaner is reduced. After 30

seconds of operation with reduced airﬂ ow, the vacuum motor

will be shot down in order to prevent damage to the motor. If

the reduced airﬂ ow symbol is lit and the motor has been shut

down, do like this: Check the bag ﬁ lter and dust bag (see

chapters 7.1, 7.2, 7.3 and 7.4) to see if anything is blocking

the airﬂ ow. Remove the material causing the reduced air ﬂ ow

symbol to indicate.

Service indicator

When the service symbol starts ﬂ ashing, the motor will run

for one more hour before it stops/will not start. The purpose

of the service symbol is to inform you that it is time to order

service of the cleaner. When the symbol is continuously lit,

the run time counter in the cleaner has counted that the al-

lowed amount of run time has passed. You must now contact

an authorised service workshop and let them perform a ser-

vice of the cleaner and to reset the run time counter.

Overheat indicator - ﬂ ashing

The overheat symbol indicates that the cleaner has become

overheated. The cleaner stops automatically. Unplug the

main power cored to reset the vacuum cleaner and wait 5-10

minutes to allow the machine to cool down. While you are

waiting, check the hose, dust bag and ﬁ lter to be sure that

nothing is blocking the ﬂ ow of air through the machine.

Signal indicator - ﬂ ashing

When the symbol is ﬂ ashing, the hose handle is out of range

and there is no connection to the cleaner. The cleaner will

automatically stop after 30 min. if the hose handle or the

cleaner has not been activated.

WARNING!

Blockages can occur if:

a) the tools and accessories are not used as di rect ed

at all times.

b) wet or damp carpets are vacuumed.

c) foreign objects are vacuumed up when the tools

are not afﬁ xed to the hose.

d) the wall sockets are not kept open until the system

motor stops completly

e) the ﬁ lter and bags are not regularly cleaned and

replaced as per manufacturers in struc tions.

NB! Blockages are caused by misuse and are not cov-

ered by the guarantee or warranty.

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Others manual(s) of Nilfisk Supreme 250

Nilfisk Supreme 250 User Manual - German - 27 pages

Nilfisk Supreme 250 User Manual - Danish - 89 pages

Nilfisk Supreme 250 User Manual - French - 25 pages

Nilfisk Supreme 250 User Manual - Swedish, Finnish - 89 pages

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Nilfisk Supreme 250 Manual

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