RCD1200M
6 – 2
Home fuse blows when power cord is plugged into wall
receptacle
It seems that the output power is lower or higher than
the rated one.
Monitor fuse blows when power cord is plugged into wall
receptacle.
" . " does not appear in display when power cord is first
plugged into wall receptacle.
Oven lamp does not go on for 1 minute after door is opened.
Oven lamp and antenna motors do not go on in cook cycle.
Oven goes into a cook cycle but shuts down before and off
cooking cycle.
Oven does not go into cook cycle when START pad is touched.
Low or no power is produced during cooking condition. (The
food is heated incompletely or not heated at all.)
Variable cooking does not operates properly, except HIGH
power functions.
Fan motor does not operate.
Exhaust fan does not operate.
Exhaust motor does not operate.
Oven doen not go into cook cycle when START pad on the
door is touched.
OFF
CONDITION
CONDITION
PROBLEM
COOKING
CONDITION
POSSIBLE CAUSE AND
DEFECTIVE PARTS
TEST PROCEDURE
MAGNETRON (1), (2)
POWER TRANSFORMER (1), (2)
H.V. RECTIFIER ASSEMBLY (1), (2)
HIGH VOLTAGE CAPACITOR (1), (2)
SECONDARY INTERLOCK SWITCH (1), (2)
PRIMARY INTERLOCK SYSTEM
DOOR SENSING SWITCH
MONITOR SWITCH (1), (2)
MONITOR FUSE
MAGNETRON TEMP. FUSE (1), (2)
OVEN TEMPERATURE FUSE
OVEN LAMP OR SOCKET
FAN MOTORS
EXHAUST FAN
EXHAUST MOTOR
FUSE 12A (1), (2)
EXHAUST THERMISTOR
MAGNETRON THERMISTOR
NOISE FILTER
KEY UNITS
POWER UNIT
RELAY UNIT
CONTROL UNIT
SWITCH UNIT.
AIR FLOW BLOCKED
LOOSE WIRING
SHORT IN POWER SUPPLY CORD
NO POWER AT OUTLET
LOW POWER SUPPLY VOLTAGE
ABCDEF FG
H
JJ I LK NPQO
M
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