Sharp R-530EK Service Manual page 13

TEST PROCEDURE
POSSIBLE CAUSE
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.
Any letters or indicators do not appear in
display when power cord is first plugged
OFF
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
COOKING
incompletely cooked or not cooked at all
CONDITION
at end of cook 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 P-50/ 50 PERCENT
mode. (Operates properly on P-HI/ 100
PERCENT mode.)
Oven goes into Defrost Center but food
is not defrosted well.
AH sensor does not end during Sensor
cooking condition. (Oven does not shut
SENSOR
off after a cup of water is boiling by
COOKING
CONDITION
sensor cooking.)
Oven stops at 16 sec. after starting.
A B C D E E F F G H
RE RE
AND
RE RE CK
11
R - 5 3 0 E K
R- 530EW
CK = Check / RE = Replace
I J K L M N
CK CK CK