STEP
SEQUENCE
RESUL
T
(2) PROBLEM
Cooking oper
ation will
not star
t.
a
0
230
230 V
olt
0
230
0 V
olt
PROBLEM
3-b
No Contin
uity
∞
0
0
∞
Contin
uity OK
Adjust or Replace
Door Sensing Switch
CHECK :
1.
P
o
w
er Supply to Ov
en
2.
Pr
imar
y Inter
loc
k Switch
3.
Ther
mal protector f
or Ca
vity and Magnetron
Chec
k contin
uity of connector
S102 betw
een pins with the
door closed after remo
ving
connector S102 from control
cct board.
Chec
k contact
of connector S102
PROBLEM
3a
Correct Seating
P
oor Contact
Nor
mal Contact
Contact OK
Nor
mal Door
Sensing Switch
T
ouch
ST
ART
k
e
y
and measure
v
oltage betw
een the tw
o wire
leads from pr
imar
y windings of
H.V tr
ansf
or
mer
after removing
the wire leads from terminals of
H.V transformer
Replace Control
Circuit Board
Nor
mal Control
Cct.
board
(3) PROBLEM
Ov
en does not heat up
a
-10-
Runs
Runs
Runs
-11-
