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C
O
M
M
O
N
B
R
E
A
C
O
M
M
O
N
B
R
E
A
PHENOMENON
1.
When
starting
oven, the lamp is not on,
the turntable tray can't
rotate and the food can't
be heated
2.When
starting
oven, the lamp is on, the
turntable rotating, the fan
cycling but the food can't
be heated.
3.
The
food
can
heated, but the lamp is
not on
4.
The
food
can
heated but the turntable
tray is not rotating.
5. The oven can heat
within 2-3 minutes, but
can not heat from the
fourth minutes
6.
When
starting
oven, it can't heat, and
with "wenwen" noise.
7. The oven can heat, but
with sound "shishi" noise
8.
Large
amount
microwave leakage
K
D
O
W
N
O
F
M
I
C
K
D
O
W
N
O
F
M
I
C
CAUSE
8A fuse broken.
The primary and secondary winding of the
transformer are short – circuited.
the
The earthing or the polarity of the polarity of
the capacitor is punctured.
The pilot switch can't cut off.
The interlock switch hasn't closed.
The power plug and the socket are not in
good connection.
The door hook broken.
The primary and secondary winding, the
filament of the transformer are open –
circuit-ed.
the
The magnetron filament is open – circuited,
the magnetic steel of the magnetron broken
or the magnetron is air leaking.
Time and power distributor broken.
The plugs of the magnetron or the capacitor
loosed.
be
The lamp broken.
The plug falls off.
The turntable motor broken
be
The plug fall off
Connecting shaft weave broken
The
winding
open-circuited.
The fan falls off
The plug of the fan motor falls off
The turnatable shaft is griped with the
mo-tor bearin
The cooling vent blocked
the
The high voltage diode was punctured
The iron core of the transformer loosed
The door deformed
The door metal net cracked
The gap of the door crack is too large
The welding point of the oven falls off
of
The screws which fix the magnetron loosed
The wave guide connection oxidized
The magnetron copper filament washer is
too thin cause the wave guide opening not
in good earth.
R
O
W
A
V
E
O
V
E
N
R
O
W
A
V
E
O
V
E
N
of
the
fan
motor
24
A
N
D
M
E
A
N
S
O
F
A
N
D
M
E
A
N
S
O
F
REPAIRING MEANS
Change a new fuse.
Change a new transformer.
Change a new capacitor.
Change a new pilot switch.
Change
a
switch.
Adjust the connection or
replace it by a new one.
Change a new hook.
Change a new transformer.
Change the magnetron.
Change
the
distributor
micro-switch.
Fix them.
Change a new lamp
Insert the plug again
Change the turntable motor
Inset the plug securely
Change the weave
in
1.Change the fan motor
2.Change the fan
3.Insert the plug
4.Overhauling them
5.Repairing it
Change a new diode
Change a new transformer
Mend the door
Change the door
Adjust the gap
Change the oven
Tighten the screws
Scrape
the
tighten the screws
Thick the copper filament
washer
R
E
P
A
I
R
I
N
G
R
E
P
A
I
R
I
N
G
new
interlock
time
power
or
the
oxidized
and
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