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MICROWAVE OVEN
How to use this table:
CK = Check Parts Listed
RE = Replace Parts Listed (after verifying defects)
All other letters indicate which test procedure to be performed. Test procedures can be found in alphabetical order
on the following pages.
TEST PROCEDURE
POSSIBLE CAUSE
AND/OR
DEFECTIVE PARTS
PROBLEM
CONDITION
Home fuse or circuit breaker blows
when power cord is plugged into
wall receptacle
Monitor fuse blows when power
cord is plugged into wall receptacle.
All letters and indicators do not
appear in display when power cord
OFF
is first plugged into wall outlet.
CONDITION
Display does not operate properly
when STOP/CLEAR key is
touched. (Buzzer should sound and
" : " or time of day should appear
IN display.)
Oven lamp does not light when
door is opened.
Oven lamp does not go out when
door is closed.
Oven lamp lights but fan motor
and turntable motor do not 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
COOKING
CONDITION
cycle.)
Oven goes into a cook cycle but
extremely uneven heating is
produced in oven load (food).
Oven does not cook properly when
programmed for Cooking Power 5
mode. (Operates properly on
Cooking Power 10 (HIGH) mode.)
Oven goes into COMPU DEFROST
but food is not defrosted well.
AH sensor does not end during
sensor cooking condition. (Oven
SENSOR
does not shut off after a cup of
COOKING
water is boiling by sensor cooking)
CONDITION
Oven stops at 16 sec. after starting.
P P
r r
i i
o o
r r
t t
o o
S S
e e
r r
i i
a a
l l
N N
u u
m m
P P
r r
i i
o o
r r
t t
o o
S S
e e
r r
i i
a a
l l
N N
u u
m m
RE RE A
B
C D E E F F G H RE RE CK I CK CK CK J K L
6-3
b b
e e
r r
1 1
2 2
0 0
0 0
1 1
5 5
4 4
b b
e e
r r
1 1
2 2
0 0
0 0
1 1
5 5
4 4
Troubleshooting & Technical Data
M
N
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