Test Procedure - Sharp R-671(B)M Service Manual

TEST PROCEDURES

TEST PROCEDURE

POSSIBLE CAUSE
AND
DEFECTIVE PARTS
PROBLEM
CONDITION
Fuse 15A blows when power
cord is plugged into wall outlet.
Fuse F8A blows when the door
is opened.
Oven lamp does not light when
door is opened.
operates.)
OFF
CONDITION
Home fuse blows when power
cord is plugged into wall outlet.
Nothing appear in display when
power cord is plugged into wall
outlet and open and close the
door.
Display does
properly when STOP key is
pressed.
Oven does not start when the
START key is pressed. (Display
operates.)
Oven lamp does not light.
(Turntable motor operates.)
Fan motor does not operate.
(Oven lamp lights.)
COOKING
Turntable motor
CONDITION
(COMMON MODE) operate. (Oven lamp lights.)
Oven or electrical parts does
not stop when cooking time is 0
or STOP key 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
MICROWAVE
properly during variable cooking
COOKING
condition except 100% cooking
CONDITION
condition.
Oven goes into cook cycle but
shuts down before end of
cooking cycle.
Grill heating element (top)
GRILL doesn't operate.
COOKING
CONDITION
Bottom heating element doesn't
operate.
Oven seems to be operating but
little or no heat is produced in
oven load. (Microwave power
does not seem to be generated
properly.)
DUAL
COOKING
Grill heating element (top)
CONDITION
doesn't operate.
Bottom heating element doesn't
operate.
A B C D E E E F F G H I J J K K
(Display
not operate
does not
operating
R-671M - 10
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