Daewoo KOG-37250S, Руководство по обслуживанию, Страница: 20 / 28

TROUBLE SHOOTING GUIDE
D oes the fan m oto r w ork w hen yo u s hut
the doo r and turn the tim e r?
D oes the ove n lam p light?
D oes the turntab le turn?
R epla ce or repa ir oven la m p,
turntable m otor.
If m ic row a ve do not o sc illate,
c hec k co ntinuity of filam e nt
of m agnetron .
N orm al
read ing s hould
be appro x. 0
Ω
C heck continu ity fila m en t
tap (3.3V ) of h ig h v oltage.
R epla ce hig h
v oltage
transform er.
C heck th e diode for
c ontinu ity in the reverse and
no rm al dire ction s.
R epla ce hig h
v oltage diode.
R epla ce
m a gnetron.
R epla ce
m a gnetron.
M e ter w ith 6V o r hig her
v oltage batteries s hould
be used to c hec k the norm a l
direc tio n resistan ce of
the diode .
C heck th e iso lation of
filam en t w in ding o f high
v oltage trans form e r.
R epla ce hig h
v oltage
transform er.
G ood
N O G ood
P oor c ontinu ity
N O
C ontin uity
N O C ontinuity
C ontin uity
C ontin uity
C ontin uity in
the reverse
direc tio n.
N O
Y E S
Y E S