Service manual

R-55TS-F
12
CK = Check / RE = Replace
ABCDEEEFFGH I IJ MNOOOOOPQ RERERE RE CK CK CK TEST PROCEDURE
MAGNETRON POWER TRANSFORMER H.V. RECTIFIER ASSEMBLY HIGH VOLTAGE CAPACITOR OVEN THERMOSTAT THERMAL CUT-OUT 125˚C TEMPERATURE FUSE (MAGNETRON) SECONDARY INTERLOCK SWITCH PRIMARY INTERLOCK SYSTEM MONITOR SWITCH MONITOR FUSE UPPER HEATER LOWER HEATER THERMISTOR TOUCH CONTROL PANEL
L
NOISE FILTER SWITCH UNIT RELAY RY1 RELAY RY2 RELAY RY3 RELAY RY4 RELAY RY5 EXPRESS DEFROST FOIL PATTURN ON P.W.B. FAN MOTOR TURNTABLE MOTOR POWER SUPPLY CORD OVEN LAMP SHORTED WIRE HARNESS OPENED WIRE HARNESS MIS-ADJUSTMENT OF SWITCHES
CONDITION PROBLEM
POSSIBLE CASE
AND
DEFECTIVE PARTS
Monitor fuse blows when power
cord is plugged into wall outlet.
Monitor fuse blows when the door
is opened.
Oven lamp does not light when
door is opened. (Display operates.)
Home fuse blows when power cord
is plugged into wall outlet.
"88:88" does not appear in display
when power cord is plugged into wall
outlet.
Display does not operate properly
when STOP/CLEAR pad is pressed.
Oven does not start when the
START pad is pressed. (Display
operates.)
Oven lamp does not light. (Turntable
motor operates.)
Fan motor does not operate. (Oven
lamp lights.)
Turntable motor does not operate.
(Oven lamp lights.)
Oven or electrical parts does not
stop when cooking time is 0 or
STOP/CLEAR pad is pressed.
Oven goes into cook cycle but shuts
down before end of cooking cycle.
Oven seems to be operating but little
or no heat is produced in oven load.
Oven does not operate properly
during variable cooking condition
except 100% cooking condition.
Function of EXPRESS DEFROST
does
not operate properly.
Upper heater does not operate.
Lower heater does not operate.
Upper and lower heaters do not
operate.
Upper heater does not operate.
Lower heater does not operate.
Upper and lower heater do not
operate.
Temperature is lower or higher than
preset.
Oven stops after 4 minutes 15 sec..
OFF
CONDITION
COOKING
CONDITION
(COMMON MODE)
MICROWAVE
COOKING
CONDITION
GRILL
COOKING
CONDITION
BAKE
COOKING
CONDITION