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FREQUENTLY ASKED QUESTION/ TROUBLESHOOTING
Question/Problem - Cause
Cause
The motor does not start:
• The battery is discharged;
• 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 an abnormal sound, starts
intermittently or runs slowly:
• ON/OFF switch electrical contacts are damaged;
• Mechanical parts are blocked;
• The cordless screwdriver is running over excessive
pressure, overloaded motor;
Cordless screwdriver overheats:
• Overloaded machine;
• Poor assembly of the housing or pieces inside the
cordless screwdriver;
• The supply voltage is too low;
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Solution
• Recharge;
• Repair or replace the switch;
• Call technical assistance;
• Call technical assistance;
• Repair or replace the switch;
• Inspect the mechanical parts;
• Reduce the pressure applied;
• Reduce the pressure applied;
• Check if there is any blockage or part touching the
rotor;
• Check supply voltage and adjust according to
technical specifications;
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