Nilfisk-ALTO 125/135 X-TRA instruction manual Trouble shooting guide

Page 8

7.0 Trouble shooting guide

EN

 

 

To avoid unnecessary disappointments, you should check the following before contacting the ALTO service organization:

Symptom

Cause

Recommended action

 

 

 

Machine refuses to start

Machine not plugged in

Plug in machine.

 

Defective socket

Try another socket.

 

Fuse has blown

Replace fuse. Switch off other machines.

 

Defective extension cable

Try without the extension cable.

 

 

 

Fluctuating pressure

Pump sucking air

Check that hoses and connections are air-

 

 

tight.

 

Valves dirty, worn out

Clean and replace or refer to local ALTO

 

or stuck

distributor

 

Pump seals worn out

Clean and replace or refer to local ALTO

 

 

distributor.

 

 

 

Motor busses

Low voltage or

Activate the trigger of the spray gun.

 

low temperature

 

 

 

 

Machine stops

Fuse has blown

Replace fuse. Switch off other machines.

 

Incorrect mains voltage

Check that the mains voltage corresponds

 

 

to specifi cation on the model tag.

 

Thermal sensor activated

Leave the washer for 5 minutes to cool down.

 

Nozzle partially blocked

Clean the nozzle (see section 4.1)

 

 

 

Fuse blows

Fuse too small

Change to an installation higher than the

 

 

amp. consumption of the machine.

 

 

You may try without the extension cable.

 

 

 

Machine pulsating

Air in inlet hose/pump

Allow machine to run with open trigger until

 

 

regular working pressure resumes.

 

Inadequate supply of

Check that the water supply corresponds to

 

mains water

specifi cations required (see model tag)

 

 

NB! Avoid using long, thin hoses (min. 1/2”)

 

Nozzle partially blocked

Clean the nozzle (see section 4.1)

 

Water fi lter blocked

Clean the fi lter (see section 4.2)

 

Hose kinked

Straighten out hose.

 

 

 

Machine often starts

Pump/spray gun is

Contact your nearest ALTO Service Centre.

and stops by itself

leaking

 

 

 

 

Machine starts, but

Pump/hoses or accessory

Wait for pump/hoses or accessory to thaw.

no water comes out

frozen

 

 

No water supply

Connect inlet water.

 

Water fi lter blocked

Clean the fi lter (see section 4.2)

 

Nozzle blocked

Clean the nozzle (see section 4.1)

 

 

 

In case problems other than the above occur, please contact your local ALTO distributor.

Customer services (UK only): ALTO Cleaning Systems Ltd. Phone: 01 768 868 995

Gilwilly Industrial Estate

Penrith, Cumbria CA11 9BN

Customer service (AUS):

ALTO Overseas Inc.

Phone: 02 9524 6122

 

1B/8 Resolution Drive

 

 

P.O. Box 797

 

 

Caringbah, N.S.W. 2229

 

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Contents Alto Excellent 125/135 Alto Excellent 125/135 X-TRA 147b Contents Fields of application Model surveyPrior to operation Safety precautionsPreparation Preparation EN Safety devices Operating facilitiesConnection Operating Instructions EN StartDetergents AccessoriesEquipment Maintenance StorageTrouble shooting guide Warranty conditions Condiciones de la garantía Garantia Οροι ΕγγύησηςZáruka Garancia GarantiУсловия гарантии Page Page Page PT Montagem do carrinho parafusos pretos EN Assembly of trolley black screwsES Ensamblaje de la carretilla tornillos negros PT Montagem do carrinho na unidade básica EN Mounting of trolley on basic unitES Montaje de la carretilla en la unidad básica EN Mounting of garden hose reel / nozzle storage PL Montowanie bębna z wężem ogrodowym / Uchwyt na dyszeCS Montáž bubnu zahradní hadice / Uložení trysky HU a kerti tömlődob csatlakoztatása / FúvókatartóEN Mounting of garden hose reel on trolley PT Montagem do enrolador de mangueira no carrinhoPT Montagem na parede EN Wall mountingES Instalación mural Art. no Receipt