VITO Pro-Power VIRE12510A, Instruction Manual

Page: 32 / 48

32
FREQUENTLY ASKED QUESTIONS/ TROUBLESHOOTING
Question/Problem - Cause
Cause
Solution
The angle grinder does not switch on:
•
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 motor makes an abnormal sound, starts
intermittently or runs slowly:
•
ON/OFF switch contacts are damaged;
•
Mechanical parts are blocked/clogged;
•
The angle grinder is running over excessive
pressure, overloaded motor;
•
Carbon brushes are worn out;
•
Repair or replace the switch;
•
Inspect the mechanical parts;
•
Reduce the pressure applied;
•
Replace carbon brushes;
Gear housing overheats:
•
Lack of grease on the gear housing;
•
Call technical assistance;
Angle grinder overheats:
•
Overloaded appliance;
•
Poor assembly of the housing or pieces inside the
angle grinder;
•
Faulty power supply;
•
Reduce the pressure applied;
•
Check if there is any blockage or part touching the
rotor;
•
Check the supply voltage and adjust it according to
the technical data;
Sparks are produced around the rotor:
•
Carbon brushes are worn out;
•
Short-circuited rotor and stator;
•
Replace carbon brushes;
•
Clean the rotor and flatten its surface;