6
GB
Noise is too loud.
Winding is damaged and motor
has failure.
Ask technician to check motor.
Mechanical drive parts are locked
or bearings are damaged.
Ask professional to check
mechanical parts.
Bearings are severely worn, or
stators or rotors rub.
Ask professional to replace bearings,
stators or rotors.
Motor doesn’t reach full power.
Ligh g
motors result in electric circuits
overload.
Don’t use other public u
or
motors in the electric circuits of the
c
Medium fault phenomenon.
Motors are overloaded and motor
cooling is not insu
fficienc
y.
Prevent motors from overloading
in the process of use and eliminate
dusts of motors to guarantee the
best cooling e
ff
ect.
Overheat of bearings is because
of short of lubricant, too thick of
lubricant and dirty bearings.
Add lubricant or replace lubricant
again, and clean bearings.
Bearings are damaged or jammed. Ask professional t
o fix and
replace
bearings.
Capacitance is damaged.
Ask professional to replace
capacitance.
Cu
reduces.
Tool bits are worn or have notches
and obtuse mouths.
Shut down machines and replace
tool bits.
Speed adjustment is not at the
best cu
aterials.
Twist knob of speed regula
and
adjust rota
Fle
xibility up and down is not
smooth.
Fle
xibility up and d
own is not
smooth.
Fle
xibility up and down is not
smooth.
ht.
Tool bits and cu er bars are not
within the standard clamping
range.
Select and match tools again
according to the standard clamping
requirements.
Forget to install clamping bush.
Check and install again clamping
bush.
Motor starts slowly and can’t
reach the opera
Switch contact burns out.
Ask professional t
o fix and
replace
switch.
Capacitance is damaged.
Ask professional to replace
capacitance.
Voltage of power supply is low.
Adjust voltage of power supply.
