Sharp R-310B Service Manual page 9

TEST PROCEDURE
POSSIBLE CAUSE
AND
DEFECTIVE PARTS
PROBLEM
CONDITION
Home fuse blows when power
supply cord is plugged into
wall outlet.
FUSE M8A blows when power
OFF
supply cord is plugged into
CONDITION
wall outlet.
Oven lamp does not light at
door opened.
Oven does not start when the
Light Up Dial is turned.
Oven lamp does not light.
Fan motor does not operate.
Turntable motor assembly
does not operate.
Oven or any electrical parts
does not stop when cooking
time is 0.
Oven seems to be operating
but little or no heat is produced
in oven load. (Microwave
power level is set at HIGH)
Oven does not seems to be
operating properly when ME-
DIUM HIGH, MEDIUM, ME-
DIUM LOW or LOW is set.
(Oven operates properly at
ON
CONDITION HIGH.)
Oven goes into cook cycle but
shuts down before end of cook-
ing cycle.
Oven stops as soon as when
the Light Up Dial is turned.
A B C D E E E E F G H H I J K L M
7
R-310B
CK = Check / RE = Replace
RE CK CK RE CK CKCK CK CK