Test Procedure - Sharp R-380D Service Manual

R-380D

TEST PROCEDURE

POSSIBLE CAUSE
AND
DEFECTIVE PARTS
PROBLEM
CONDITION
Home fuse blows when power
supply cord is plugged into
wall outlet.
FUSE M10A blows when
power supply cord is plugged
into wall outlet.
Display does not show any-
thing when power supply cord
OFF
is plugged into wall outlet.
CONDITION
Display does not operate prop-
erly when STOP/CLEAR pad
is touched.
Oven lamp does not light at
door opened. (Display ap-
pears.)
Oven does not start when the
START pad is touched. (Dis-
play appears)
Oven lamp does not light (Dis-
play appears.)
Fan motor does not operate.
(Display appears.)
Turntable motor assembly
does not operate. (Display ap-
pears.)
Oven or any electrical parts
does not stop when cooking
time is 0 or STOP/CLEAR pad
is touched.
ON
CONDITION
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 and then the STOP/
CLEAR pad is touched the
oven stops.)
Oven goes into cook cycle but
shuts down before end of cook-
ing cycle.
AH sensor does not end dur-
ing Sensor Cooking condition.
(Oven does not shut off after a
cup of water is boiling by sen-
SENSOR
COOKING
sor cooking.)
CONDITION
Oven stops at 16 sec. after
starting.
A B C D E E E E G F H H I L M N O
8
CK = Check / RE = Replace
J K P
RE CK CK RE CK CK CK CK CK