Read Sharp R-795M (serv.man16) Service Manual online
R-795M-
11
Fuse F8A blows when the door is opened.
Home fuse blows when power cord is plugged into wall outlet.
Fuse 20A blows when power cord is plugged into wall outlet.
Nothing appears in display when power cord is plugged into wall
outlet and the door is opened and closed.
Display does not operate properly when STOP/CLEAR key is
touched.
Oven lamp does not light when door is opened. (Display operates.)
Oven does not start when the START key is touched. (Display
operates.)
Oven lamp does not light and turntable motor does not operate.
Fan motor does not operate. (Oven lamp lights.)
Turntable motor does not operate. (Oven lamp lights.)
Oven or any electrical parts (except fan motor) does not stop when
cooking time is 0 or STOP/CLEAR key is touched.
Oven stops after 4 minutes and 15 seconds since START key is
touched.
(Except Microwave mode)
Display operates properly but all electrical parts do not operate.
Oven goes into cook cycle but shuts down before end of cooking
cycle.
After cooking, the temperature of oven cavity is higher than 105
˚C
but fan motor does not operate.
Oven seems to be operating but little or no heat is produced in
oven load. (Microwave power control is set at HIGH)
Oven does not seem to be operating properly during variable
cooking condition except HIGH cooking condition.
Oven goes into cook cycle but shuts down before end of cooking
cycle.
Oven seems to be operating but the temperature in the oven cavity
is lower or higher than preset one.
Grill heating element does operate.
Oven goes into cook cycle but shuts down before end of cooking
OFF
CONDITION
COOKING
CONDITION
(COMMON MODE)
MICROWAVE
COOKING
CONDITION
GRILL COOKING
CONDITION
OVEN COOKING
CONDITION
DUAL COOKING
CONDITION
CONDITION
PROBLEM
BLOCKED COOLING FAN
NO POWER AT WALL OUTLET
HOME FUSE OR BREAKER
MIS-ADJUSTMENT OF SWITCHES
BLOCKED VENTILATION OPENINGS
OPENED WIRE HARNESS
SHORTED WIRE HARNESS
OVEN LAMP
POWER SUPPLY CORD
FOIL PATTERN ON P.W.B.
RELAY RY6
RELAY RY5
RELAY RY4
RELAY RY3
RELAY RY2
RELAY RY1
KEY UNIT
TOUCH CONTROL PANEL
TC TRANSFORMER
BOTTOM GRILL HEATING ELEMENT
TOP GRILL HEATING ELEMENT
FUSE F8A
FUSE 20A
NOISE FILTER
FAN MOTOR
TURNTABLE MOTOR
THERMAL CUT-OUT 145˚C (OVEN)
THERMAL CUT-OUT 125˚C (MG.)
THERMISTOR
MONITOR SWITCH
STOP SWITCH
MONITORED LATCH SWITCH
HIGH VOLTAGE CAPACITOR
H.V. HARNESS
H.V. RECTIFIER ASSEMBLY
HIGH VOLTAGE TRANSFORMER
MAGNETRON
NO POWER AT WALL OUTLET
HOME FUSE OR BREAKER
MIS-ADJUSTMENT OF SWITCHES
BLOCKED VENTILATION OPENINGS
OPENED WIRE HARNESS
SHORTED WIRE HARNESS
OVEN LAMP
POWER SUPPLY CORD
FOIL PATTERN ON P.W.B.
RELAY RY6
RELAY RY5
RELAY RY4
RELAY RY3
RELAY RY2
RELAY RY1
KEY UNIT
TOUCH CONTROL PANEL
TC TRANSFORMER
BOTTOM GRILL HEATING ELEMENT
TOP GRILL HEATING ELEMENT
FUSE F8A
FUSE 20A
NOISE FILTER
FAN MOTOR
TURNTABLE MOTOR
THERMAL CUT-OUT 145˚C (OVEN)
THERMAL CUT-OUT 125˚C (MG.)
THERMISTOR
MONITOR SWITCH
STOP SWITCH
MONITORED LATCH SWITCH
HIGH VOLTAGE CAPACITOR
H.V. HARNESS
H.V. RECTIFIER ASSEMBLY
HIGH VOLTAGE TRANSFORMER
MAGNETRON
ABC
D
EEE
F
G
G
H
H
I
J
K
L
L
M
N
O
O
O
O
O
O
P
TEST PROCEDURE
POSSIBLE CAUSE
AND
DEFECTIVE PARTS
TROUBLESHOOTING GUIDE
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