Sharp R-212B Service Manual page 43

TEST PROCEDURE
POSSIBLE CAUSE
AND
DEFECTIVE PARTS
PROBLEM
CONDITION
Home fuse blows when power
supply cord is plugged into wall
outlet.
OFF
CONDITION
FUSE M6.3A blows when
power supply cord is plugged
into wall outlet.
Oven does not start when the
Light Up Dial is set.
Oven lamp does not light (Other
function is normal.)
Fan motor does not operate.
(Other function is normal.)
Turntable motor does not op-
erate. (Other function is nor-
mal.)
Oven or any electrical parts
ON
does not stop when cooking
CONDITION
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
HIGH.)
Oven goes into cook cycle but
shuts down before end of cook-
ing cycle.
Oven lamp, turntable motor
and fan motor do not operate.
A B C D E E E F G G H H I L M N
CK
7
R-212B
CK = Check / RE = Replace
J
RE CKCKRE CKCKCK CKCK
K