VITO PRO POWER VILR900 Mode D'emploi page 31

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
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 rotor:
• Carbon brushes are worn out;
• Short-circuited rotor or stator;
an abnormal sound,
Solution
• Plug in or repair the power cord;
• Repair or replace the switch;
• Call technical assistance;
• Call technical assistance;
starts
• 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;