VITO PRO POWER VIMDH1700 Manual De Instrucciones página 29

Question/Problem - Cause
Causa
The motor does not start:
• The power cord is unplugged or damaged;
• "ON/OFF" switch electrical contacts are not in good
condition or it does not work;
• Rotor or stator windings are damaged;
• Short-circuited rotor windings;
The motor makes
intermittently or runs slowly:
• "ON/OFF" switch contacts are damaged;
• Mechanical parts are blocked/clogged
• The demolition hammer is running over excessive
pressure, overloaded motor;
• The carbon brushes are worn out;
The chuck overheats:
• Lack of grease inside the chuck;
Body overheats:
• Overloaded machine;
• Incorrect housing or parts assembly inside the
demolition hammer;
• Faulty power supply;
Sparks around the rotor:
• The carbon brushes are worn out;
• Short-circuited stator or rotor;
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 applied;
• Replace the carbon brushes;
• Put grease into the fixing grooves of the accessory;
• Reduce working pressure;
• Check if there is any blockage or part touching the
rotor;
• Check the supply voltage and adjust it according to the
technical data;
• Replace the carbon brushes;
• Call technical assistance;