Read Panasonic MC-5010 / MC-5030 Service Manual online
10 TROUBLE SHOOTING GUIDE
CONDITION
CHECKPOINT
CHECK METHOD
CAUSE/REMEDY
MOTOR DOES
NOT ROTATE
NOT ROTATE
•
•
•
• Power outlet.
•
•
•
• Measure power source voltage
at plug socket with tester.
•
•
•
• If voltage is lower than
specified, Power source is
defective.
defective.
•
•
•
• Continuity of Power cord.
•
•
•
• Connect tester across both
conductive blades of plug and
check deflection of tester needle
when main switch turns on or off.
check deflection of tester needle
when main switch turns on or off.
•
•
•
• Cord is open, if tester needle
does not move.
•
•
•
• Continuity between rail of cord
real unit and cord plug.
•
•
•
• Short across AC plug end then
with tester check for continuity
across rail copper rings of cord
reel unit.
across rail copper rings of cord
reel unit.
•
•
•
• Cord is open or rail of cord reel
unit defective if tester needle
does not move.
does not move.
•
•
•
• Continuity of motor.
•
•
•
• Check continuity between lead
wires connected from motor.
•
•
•
• If there is no continuity, motor,
starter/rotor coil is open.
•
•
•
• Contact with motor carbon brush
and rotor.
•
•
•
• Check if there is gap between
carbon brush and rotor.
•
•
•
• If there
is
gap,
dust
is
accumulated in brush holder or
brush is worn out, adjust or
replace.
brush is worn out, adjust or
replace.
•
•
•
• Continuity of main switch.
•
•
•
• Connect tester across main
switch
terminals
and
make
switch sctuator on and off.
•
•
•
• If no continuity, main switch is
defective.
POOR SUCTION
POWER.
(CHECK IF DUST
INDICATOR
SHOWS FULL)
POWER.
(CHECK IF DUST
INDICATOR
SHOWS FULL)
•
•
•
• Dust Cover.
•
•
•
• Check if dust cover is full.
•
•
•
• Remove dust.
•
•
•
• Hose or wand clogged with
dust.
•
•
•
• Check all hose and wands for
clog.
•
•
•
• If clogged, remove clog.
•
•
•
• Dust in paper/cloth bag.
•
•
•
• Check dust accumulated in
paper/cloth bag.
•
•
•
• Check paper/cloth Bag or
replace.
CORD REWINDS
BY ITSELF
BY ITSELF
•
•
•
• Oil adhering on brake roller.
•
•
•
• Check by hand.
•
•
•
• Wipe with cloth dipped in
alcohol.
•
•
•
• Brake spring deformed.
•
•
•
• Move lever by hand to see if
brake lever returns to original
position.
position.
•
•
•
• If does notreturn, brake sppring
is defective. Replace.
•
•
•
• oil on outside circumference of
cord reel assembly.
•
•
•
• Touch surface of the cord reel by
hand and see if oil is on it.
•
•
•
• Wipe with cloth dipped in
alcohol.
CORD WOULD
IMPROPERLY
IMPROPERLY
•
•
•
• Winding of cord on reel.
•
•
•
• Pull out 2~ 3 times and see if
cord is entirely rewound on cord
reel.
reel.
•
•
•
• If 1~2m of cord is not rewound,
increase cord reel tension by
one turn.
one turn.
NOISE AND
VIBRATION
VIBRATION
•
•
•
• Dust in motor fan.
•
•
•
• Check dust in motor fan.
•
•
•
• Clean dust out of motor fan and
check filter position & condition.
•
•
•
• Carbon brushes.
•
•
•
• Check for uneven wear of
carbon.
•
•
•
• Replace carbon brushes
(Replace carbon brushes at
same time.)
same time.)
POWER CUT OFF
AUTOMATICALLY
AUTOMATICALLY
•
•
•
• Power failure.
•
•
•
• Check your power supply.
•
•
•
• Install your power supply.
•
•
•
• Over heated.
•
•
•
• Check conductivity of thermo
protector.
•
•
•
• Let set cool down for 20 minute,
thermo protector will “ON“ again
automatically.
automatically.
•
•
•
• Control circuit brake off.
•
•
•
• Check connector contacts and
condition of components.
•
•
•
• Replace new control circuit.
12
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