Out of service at switch-on
Shortcircuit in motor winding
Disc
power socket
Novoltage in supply socket
Loose switching contact
Wearout of carbon brush
Disc
brush and commutator
Excessive sparkling
Underpressure in carbon brush
spring
Excessive wearout of carbon brush Replace carbon brush by reparier
Overvoltage in supply power
Disc
brush and commutator
Ring fire caused by shortcircuit in
rotor winding shortcircuit
Ring fire caused by shortcircuit in
commutator segment
Running speed drop
Low supply voltage
Damage in machinery parts
St
Shortcircuit in rotor
Machine superhea
Electromotor overload
Unsmooth air outlet
No mo on at base plate during
Bearing damage
motor running
Eccentric wheel damage
Blockup at wheel blade due to
rubbing against base plate
Excessive machinery vibra
Swing sha
server wear or damage in eccentric
wheel
Substandard sanding effect
Severe wear in abrasive paper or
incorrect s
paper
6
Replace stator/rotor by repairer
between plug and
Put plug in power socket
Check and repair power supply
Replace switchboard by repairer
Replace carbon brush by repairer
between carbon
Check conn
on between carbon
brush and commutator by repairer
Replace carbon brush by reparier
Regulate supply voltage
between carbon
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
ow speed
Regulate to high speed running
Check or replace rotor by repairer
Normally operate with reference to
specifica
Clear up air intake/outlet
Replace bearing by repairer
Replace eccentric wheel by repairer
Repair or replace by repairer
racture
Replace swing sha by repairer
Replace eccentric wheel by repairer
Replace abrasive paper
on of abrasive
GB