TROUBLE SHOOTING GUIDE
D oes the fan m otor w ork w hen you shut
the door and turn the tim er?
D oes the oven lam p light?
D oes the turntable turn?
R eplace or repair oven lam p,
turntable m otor.
If m icrow ave do not oscillate,
check continuity of filam ent
of m agnetron.
N orm al
reading should
be approx. 0
Ω
C heck contim uity filam ent
tap (3.3V) of high voltage.
R eplace high
voltage
transform er.
C heck the diode for
continuity in the reverse and
norm al directions.
R eplace high
voltage diode.
R eplace
m agnetron.
R eplace
m agnetron.
M eter w ith 6V or higher
voltage batteries should
be used to check the norm al
direction resistance of
the diode.
C heck the isolation of
filam ent w inding of high
voltage transform er.
R eplace high
voltage
transform er.
G ood
N O G ood
Poor continuity
N O
C ontinuity
N O C ontinuity
C ontinuity
C ontinuity
C ontinuity in
the reverse
direction.
N O
YES
YES
Summary of Contents for KOR-63B50P
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