VITO PRO-POWER VILR900, Instruction Manual

Page: 31 / 48

31
FREQUENTLY ASKED QUETIONS/ TROUBLESHOOTING
Question/problem - cause
Cause Solution
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;
•
Plug in or repair the power cord;
•
Repair or replace the switch;
•
Call technical assistance;
•
Call technical assistance;
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;
•
Repair or replace the switch;
•
Inspect the mechanical parts;
•
Reduce the pressure exerted;
•
Replace the carbon brushes;
Belt sander overheats:
•
Overloaded sander;
•
Incorrect housing or parts assembly inside the belt
sander;
•
Faulty power supply;
•
Reduce working pressure;
•
Check if there is any blockage;
•
Check the supply voltage and adjust it according to
the technical data;
Sparks are produced around the motor:
•
Carbon brushes are worn out;
•
Short-circuited rotor or stator;
•
Replace the carbon brushes;
•
Contact technical assistance;