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VITO Pro-Power VIRE11510 Manual De Instrucciones página 32

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FREQUENTLY ASKED QUESTIONS/ TROUBLESHOOTING
Question/Problem - Cause
Cause
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;
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;
Gear housing overheats:
• Lack of grease on the gear housing;
Angle grinder overheats:
• Overloaded appliance;
• Poor assembly of the housing or pieces inside the
angle grinder;
• Faulty power supply;
Sparks are produced around the rotor:
• Carbon brushes are worn out;
• Short-circuited rotor and stator;
32
Solution
• Plug in or repair the power cord;
• Repair or replace the switch;
• Call technical assistance;
• Call technical assistance;
• Repair or replace the switch;
• Inspect the mechanical parts;
• Reduce the pressure applied;
• Replace carbon brushes;
• Call technical assistance;
• 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;
• Replace carbon brushes;
• Clean the rotor and flatten its surface;

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