Test Procedure - Sharp R-820BK Service Manual

R-820BK
R-820BW

TEST PROCEDURE

POSSIBLE CASE
DEFECTIVE PARTS
PROBLEM
CONDITION
Monitor fuse blows when power
cord is plugged into wall outlet.
Monitor fuse blows when the door
is opened.
Oven lamp does not light when
door is opened. (Display operates.)
OFF Home fuse blows when power cord
CONDITION
is plugged into wall outlet.
"SHARP SIMPLY ..... PRESS CLOCK"
does not appear in display when
power cord is plugged into wall outlet.
Display does not operate properly
when STOP/CLEAR pad is pressed.
Oven does not start when the
START pad is pressed. (Display
operates.)
Oven lamp does not light. (Turntable
motor operates.)
Fan motor does not operate. (Oven
lamp lights.)
COOKING
CONDITION
Turntable motor does not operate.
(COMMON MODE)
(Oven lamp lights.)
Oven or electrical parts does not
stop when cooking time is 0 or
STOP/CLEAR pad is pressed.
Oven goes into cook cycle but shuts
down before end of cooking cycle.
Oven seems to be operating but little
or no heat is produced in oven load.
Oven does not operate properly
MICROWAVE
COOKING
during variable cooking condition
CONDITION
except 100% cooking condition.
Function of COMPU DEFROST does
not operate properly.
Top heaters do not operate.
GRILL
COOKING
Bottom heater does not operate.
CONDITION
Oven seems to be operating but
little or no heat is produced in oven
load. (Microwave power does not
ROAST
COOKING
seem to be generated properly.)
CONDITION
Top heaters do not operate.
Bottom heater does not operate.
Temperature is lower or higher than
preset.
CONVECTION
COOKING
Convection motor does not operate.
CONDITION
Oven stops after 4 minutes 15 sec..
A B C D E E F F G H I
AND
I J L M N N N N N N O P RERERERERE CK CK CK
14
CK = Check / RE = Replace