12.0 Diagnosis of faults and repair

EN

 

 

Fault

Cause

Repair

The motor fails to start

Oil supply not connected

Connect the oil hose

 

Oil supply closed

Open the valve

 

No oil pressure

Start the hydraulic pump

 

The pump is frozen

Let the pump thaw

 

 

 

Working pressure too high

Nozzle partly blocked

Clean the nozzle

 

 

 

Working pressure too low

Valve for regulation of water

Open fully the valve for regulation

 

capacity is not adjusted to max.

of water. Turn in the direction

 

pressure

indicated by the arrow

 

Regulating valve open

Close the regulating valve

 

 

 

Irregular working pressure

Air in the pump

Repeat the venting procedure

During self-priming

Suction height too high or water

Read the paragraph conc. self-

 

too hot

priming p. 6

 

Filter blocked

Clean the fi lter. See p. 11

During direct water

Insuffi cient water supply from

Change to a water supply with

connection

the water works

greater output. If this is not

 

 

possible; turn the valve for regulation of

 

 

the water capacity in the opposite

 

 

direction of that indicated by the

 

 

arrow, until the machine works smoothly.

 

 

 

No working pressure

Nozzle blocked

Clean the nozzle

 

No water

Check the water connection

 

High pressure hose/lance frozen

Allow the high pressure hose/lance

 

 

to thaw

 

By-pass valve frozen

Allow the machine to thaw

 

 

 

Should faults occur other than those mentioned above, please contact the nearest Nilfi sk-ALTO service organization.

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Nilfisk-ALTO 03KLU Diagnosis of faults and repair, Fault Cause Repair Motor fails to start, Working pressure too low

03KLU specifications

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