Sharp R-480J 用户手册

8

CK = Check / RE = Replace

Home fuse blows when power 
supply cord is plugged into wall 
outlet.

FUSE F10A blows when power 
supply cord is plugged into wall 
outlet.

Display does not show 
anything when power supply 
cord is plugged into wall outlet.

Display  does not operate 
properly when STOP/CLEAR 
pad is touched.

Oven lamp does not light at 
door opened. (Display 
appears.)

Oven does not start when the 
START pad is touched.  
(Display appears)

Oven lamp does not light 
(Display appears.)

Fan motor does not operate. 
(Display appears.)

Turntable motor assembly 
does not operate. (Display 
appears.)

Oven or any electrical parts 
does not stop when cooking 
time is 0 or STOP/CLEAR pad 
is touched.

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 
MEDIUM HIGH, MEDIUM, 
MEDIUM LOW or LOW is set. 
(Oven operates properly at HIGH 
and when the STOP/CLEAR pad 
is touched the oven stops.)

Oven goes into cook cycle but 
shuts down before end of 
cooking cycle.

Oven stops as soon as when 
the START pad is touched.

AH sensor does not end during 
Sensor Cooking condition. 
(Oven does not shut off after a 
cup of water is boiling by sensor 
cooking.)

Oven stops at 16 sec. after 
starting.

MAGNETRON

POWER TRANSFORMER

H.V. RECTIFIER ASSEMBLY

HIGH VOLTAGE CAPACITOR

1ST. LATCH SWITCH

2ND. N D. INTERLOCK RELAY 

CONTROL SWITCH

MONITOR SWITCH

NOISE FILTER 

THERMAL CUT-OUT (MAGNETRON)

THERMAL CUT-OUT (OVEN)

FAN MOTOR

TURNTABLE MOTOR

FUSE F10A

HIGH VOLTAGE FUSE

TOUCH CONTROL PANEL

KEY UNIT

RELAY (RY-1, RY-2)

FOIL PATERN ON P.W.B.

POWER SUPPLY CORD

OVEN LAMP OR SOCKET

SHORTED WIRE HARNESS

OPENED WIRE HARNESS

WALL OUTLET

HOME FUSE OR BREAKER

WRONG OPERATION

MISADJUSTMENT SWITCH

BLOCKED COOLING FAN

BLOCKED VENTILATION OPENING

AH SENSOR

PROBLEM

SENSOR
COOKING 
CONDITION

CONDITION

OFF 
CONDITION

ON 
CONDITION