10
R-1200
R-1201
CK = Check / RE = Replace
POSSIBLE CASE AND
DEFECTIVE PARTS
PROBLEM
TEST PROCEDURE
CONDITION
OFF
CONDITION
IDLE
CONDITION
MICROWAVE
COOKING
CONDITION
Home fuse blows when power cord
is plugged into wall receptacle.
Monitor fuse blows when power cord
is plugged into wall receptacle.
Display does not illuminate when
power cord is first plugged into wall
receptacle.
Display does not operate properly
when STOP/CLEAR pad is touched.
(The time of day should appear on
the display with beep sound during
normal condition.)
Oven lamp does not light with door is
opened.
Hood lights do not turn on when
ACCENT LIGHT pad or TASK
LIGHT pad is pressed.
Oven lamp does not light in cook
cycle. (But it does light when door is
opened.)
Fan motor does not operate. (Oven
lamp and turntable motor operate.)
Turntable motor does not operate
(Oven lamp lights and fan motor
operate.)
Oven does not go into cook cycle
when START pad is touched.
Oven seems to be operating but little
or no heat is produced in oven load.
(Food incompletely cooked or not
cooked at all at end of cook cycle.)
Oven goes into a cook cycle but
extremely uneven heating is
produced in oven load (food).
Variable cooking does not operate
properly except Cooking Power 10
(P-HI) mode.
Oven goes into DEFROST CENTER
but food is not defrosted well.
MAGNETRON
POWER TRANSFORMER
H.V. RECTIFIER
HIGH VOLTAGE CAPACITOR
TEMPERATURE FUSE
PRIMARY INTERLOCK SWITCH
SECONDARY INTERLOCK SYSTEM
MONITOR SWITCH
MONITOR FUSE
CONTROL UNIT
KEY UNIT
RELAY (RY-1)
RELAY (RY-2)
RELAY (RY-3)
RELAY (RY-4)
DEFROST CENTER
FOIL PATERN ON P.W.B.
OVEN LAMP OR SOCKET
FAN MOTOR
TURNTABLE MOTOR
HOOD LAMP OR SOCKET
OPENED OR SHORTED WIRING
SHORT IN POWER CORD
NO POWER AT OUTLET
LOW VOLTAGE
A B C D E F G H
I
J K L L L L M N
RE RE RE RECK RE CK CK
