STEP
SEQUENCE
RESUL
T
(2) PROBLEM
Cooking operation will
not start.
a
0 230
230 V
olt
0 230
0 V
olt
PROBLEM
3-b
No Continuity
∞
0
0
∞
Continuity OK
Adjust or Replace
Door Sensing Switch
CHECK :
1. Power Supply to Oven
2. Primary Interlock Switch
3.
Thermal protector for Cavity and Magnetron
Check continuity of connector
S102 between pins with the
door closed after removing
connector S102 from control
cct board.
Check contact
of connector S102
PROBLEM
3a
Correct Seating
Poor Contact
Normal Contact
Contact OK
Normal Door
Sensing Switch
T
ouch
ST
ART
key and measure
voltage between the two wire
leads from primary windings of
H.V transformer
after removing
the wire leads from terminals of
H.V transformer
Replace Control
Circuit Board
Normal Control
Cct. board
(3) PROBLEM
Oven does not heat up
a
-10-
Runs
Runs
Runs
-10-
