Elite PS300 Manual De Usuario página 24

TROUBLE SHOOTING
Fault Symptom
Out of service at switch-on
Excessive sparkling
Running speed drop
Machine superheating
No motion at base plate
during motor running
Excessive machinery
vibration
Substandard sanding effect
Possible Cause
Shortcircuit in motor winding
Disconnection between plug
and power socket
Novoltage in supply socket
Loose switching contact
Wearout of carbon brush
Disconnection between
carbon brush and commutator
Underpressure in carbon brush spring
Excessive wearout of carbon
Overvoltage in supply power
Disconnection between carbon brush
and commutator
Ring fire caused by shortcircuit in rotor
winding shortcircuit
Ring fire caused by shortcircuit in
commutator segment
Low supply voltage
Damage in machinery parts
Starting in low speed
Shortcircuit in rotor
Electromotor overload
Unsmooth air outlet
Bearing damage
Eccentric wheel damage
Blockup at wheel blade due to rubbing
against base plate
Swing shaft fracture
Server wear or damage in
eccentric wheel
Severe wear in abrasive paper or incorrect
selection of abrasive paper
Troubleshooting
Replace stator/rotor by repairer
Put plug in power socket
Check and repair power supply
Replace switchboard by repairer
Replace carbon brush by repairer
Check connection between carbon
brush and commutator by repairer
Replace carbon brush by reparier
Replace carbon brush by reparier
Regulate supply voltage
Replace carbon brush by repairer
Check or replace rotor by repairer
Check or replace rotor by repairer
Regulate supply voltage
Replace machinery parts by repairer
Regulate to high speed running
Check or replace rotor by repairer
Normally operate with reference
to specification
Clear up air intake/outlet
Replace bearing by repairer
Replace eccentric wheel by repairer
Repair or replace by repairer
Replace swing shaft by repairer
Replace eccentric wheel by repairer
Replace abrasive paper
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Keep Working
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