
8 TROUBLE SHOOTING GUIDE
CONDITlON CHECK POINT METHOD OF INSPECTlON CAUSE/REMEDY
Motor fails to rotate.
(no noise is heard at all). Plug (fuse-1ink)
(UK, lRLonly) Check fuse continuity. lf there is no continuity, replace it.
Main fuse Check main fuse continuity. lf main fuse is blown, Check if there is any
short-circuit before replacing it. If so, repair
the short-circuit and replace the main fuse.
If there isn´t, replace the motor and main
fuse.
Mains lead Check mains lead continuity. If there is no continuity, replace it.
Motor continuity Check continuity between motor and lead
wires. If there is no continuity, replace the motor.
Carbon brushis in contact
with the commutator. Check if there is gap between carbon brush
and commutator. If there is gap between carbon brush and
commutator, replace both carbon brushes.
ON/OFF Switch Check continuity across the switch
terminals. If there is no continuity, replace ON/OFF
switch.
Thermal cut-out Check thermal cut-out continuity.
Note:
Continuity should be checked 1 hours
after removlng the plug from the socket.
lf there is no continuity, replace it.
Motor runs but there is no
suction. Hose/Suction pipe Check for any possible clog in the hose or
suction pipe. lf there is a clog, remove it.
Dust compartments Check if dust compartments are full. lf they are full, empty them.
Filter/s condition Check if filter/s is choked up. lf they are choked up, clean or replace
them.
Noise or vibration Motor fan Check if dust is accumulated in motor
fan.(lt could happen if the cleaner has been
used without central filter).
Replace the motor and check central filter
condition.(Never dismantle the motor fan).
Carbon brushes Check if there is uneven wear of carbon
brushes. If there is uneven wear, replace both
carbon brushes.
Beater bar
(bearing support A-B) Remove the beater bar ass´y and check if
bearing support A or B is broken or
deformed.
If bearing support A or B is defective,
replace it.
Beater bar (bearings) Place the beater bar ass´y on a flat surface
and turn the beater bar to check bearing
noise or distance.
If there is bearing noise or distance,
replace the beater bar ass´y.
Motor pulley (bearing) Turn motor pulley and check bearing noise. If there is a bearing noise, replace motor
pulley.
Beater bar does not rotate Belt/s Remove base plate and check if any of the
two belts is broken or loose. If any of them is broken, replace it. If loose*
re-install it.
Motor pulley Remove the base plate and check if motor
pulley is blocked. lf it is blocked, replace it.
13
MC-E4111-KP47 / MC-E4113-KP47