VITO PRO-POWER VILR900 Manual De Instrucciones página 31

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FREQUENTLY ASKED QUETIONS/ TROUBLESHOOTING

Question/problem - cause

Cause

The sander does not on when you press the ON/OFF

switch:

• The power cord is unplugged or damaged;

• ON/OFF switch contacts are not in good condition

or it does not work;

• Rotor or stator windings are damaged;

• Short-circuited rotor windings;

The engine makes an abnormal sound, starts

intermittently or runs slowly:

• ON/OFF switch contacts are damaged;

• Mechanical parts are blocked/clogged;

• The belt sander is running over excessive

pressure, overloaded motor;

• Carbon brushes are worn out;

Belt sander overheats:

• Overloaded sander;

• Incorrect housing or parts assembly inside the belt

sander;

• Faulty power supply;

Sparks are produced around the motor:

• Carbon brushes are worn out;

• Short-circuited rotor or stator;

Solution

• Plug in or repair the power cord;

• Repair or replace the switch;

• Call technical assistance;

• Repair or replace the switch;

• Inspect the mechanical parts;

• Reduce the pressure exerted;

• Replace the carbon brushes;

• Reduce working pressure;

• Check if there is any blockage;

• Check the supply voltage and adjust it according to

the technical data;

• Replace the carbon brushes;

• Contact technical assistance;