R-22GT-F
R-22GV-F
11
CK = Check / RST = Reset / RE = Replace
Home fuse blows when power
cord is plugged into wall
receptacle.
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.
Blower motor does not operate.
(Oven lamp and stirrer motors
go on for 1 minute after door is
opened.)
Blower motor, oven lamp and
stirrer motors do not go on for 1
minute after door is opened.
Blower motor and stirrer motors
go on but oven lamp do not light
for 1 minute after door is
opened.
Blower motor, oven lamp and
stirrer motors keep going on
after more than 1 minute when
door is opened and closed.
Blower motor, oven lamp and
stirrer 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.)
Extremely uneven heating is
produced in oven load (food).
Variable cooking does not
operates properly, except HIGH
power functions.
"EE1" Magnetron (1) failure.
"EE2" Magnetron (2) failure.
"EE3" Magnetron (1) and (2)
failure.
"EE6" Oven thermistor failure.
"EE7" Exhaust air temperature
is too high.
"EE8" Relay melt short.
"EE9" Maximum time is
exceeded.
"EE16" Magnetron thermistor is
open.
"EE17" Magnetron temperature
is too high.
PROBLEM
POSSIBLE CAUSE AND
DEFECTIVE PARTS
TEST PROCEDURE
MAGNETRON (1), (2)
POWER TRANSFORMER (1), (2)
H.V. RECTIFIER (1), (2)
HIGH VOLTAGE CAPACITOR (1), (2)
SECONDARY INTERLOCK SWITCH (1), (2)
PRIMARY INTERLOCK SYSTEM (1), (2)
DOOR SENSING SWITCH
MONITOR SWITCH (1), (2)
MONITOR FUSE
MAGNETRON TEMP. FUSE (1), (2)
OVEN TEMPERATURE FUSE
OVEN LAMP OR SOCKET
BLOWER MOTOR
OVEN THERMISTOR
MAGNETRON THERMISTOR
NOISE FILTER
TOUCH CONTROL PANEL
KEY UNIT
RELAY (RY-1)
RELAY (RY-2)
RELAY (RY-3)
OPEN FOIL PATERN ON P.W.B.
STIRRER MOTORS
AIR FLOW BLOCKED
LOOSE WIRING
SHORT IN POWER SUPPLY CORD
NO POWER AT OUTLET
LOW POWER SUPPLY VOLTAGE
EXCEED MAX. HEATING TIME
NO LOAD OPERATION
A B
C D E F
F G H
I
I CK CK
J
K L
M N N N O CK CK CK CK CK
RST RST
CK
J
C
O
N
D
I
T
I
O
N
C
O
N
D
I
T
I
O
N
I
D
L
E
C
O
N
D
I
T
I
O
N
O
F
F
C
O
N
D
I
T
I
O
N
C
O
O
K
I
N
G
M
O
D
E
E
R
R
O
R
(1)
(2)
(1)
(2)
(1)
(2)
(1)
(2)
(1)
(2)
(1)
(2)