Trouble Shooting - MaxPro PROFESSIONAL MPPO1200/180V Manual De Instrucciones

TROUBLE SHOOTING

Fault Symptom
Out of service
Sluggish start-up, falling
short of running speed
Excessive sparkling
during running
Excessive machinery
noise
Failed to reach rated
power
Machine superhea
Excessive mechanical
vibra
Substandard polishing
effect
8
Possible Cause
Disc etween plug and power
socket
shortcircuit in power supply
At switch-off
Loose switching contact
Constant speed regula
Burnout of stator or rotor coil
Stator wiring disc
Disc etween carbon brush and
commutator or run-out of carbon brush
Unsmooth running in mechanical part
Low supply voltage
Constant speed regula
Burnout of switch contact
Underpressure in carbon brush spring
Excessive wearout of carbon brush
Ring fire caused by shortcircuit in rotor
winding shortcircuit
Ring fire caused by shortcircuit in
commutator segment
Overvoltage in supply power
Disc etween carbon brush and
commutator
Electric motor at fault
Gear wheel or rotor tooth damaged
Polishing disc damaged
Electrocircuit overload due to ligh
de
appliances
Electromotor overload
Insufficient motor cooling
Rotor damaged
Gear wheel or rotor tooth damaged
Polishing disc damaged or improper
installa
Severe wear of polishing disc or abrasive
paper
Insufficient running speed
Tr
Put plug in power socket
Repair and rec
Switch on
Replace switchboard by repairer
ged Replace constant speed regula
block by repairer
Replace stator or rotor by repairer
Rec
Replace carbon brush
Check mechanical part by repairer
Regulate supply voltage
ged Replace constant speed regula
block by repairer
Replace switchboard by repairer
Replace carbon brush by reparier
Replace carbon brush by reparier
Check or replace rotor by repairer
Check or replace rotor by repairer
Regulate supply voltage
Replace carbon brush
Check motor by repairer
Replace gear wheel or rotor
Replace polishing disc
electric appliances on machine-
connected electrocircuit
Overload prot
Dedust air outlet
Replace rotor by repairer
replace gear wheel or rotor
Check or replace polishing disc
Replace polishing disc or abrasive
paper
Regulate running speed
GB
by repairer