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R-310AK
R-330AK
R-330AW
PROCEDURE
LETTER
K
KEY UNIT TEST
If the display fails to clear when the STOP/CLEAR pad is depressed, first verify the flat ribbon is making
good contact, verify that the door sensing switch (stop switch) operates properly; that is the contacts are
closed when the door is closed and open when the door is open. If the door sensing switch (stop switch)
is good, disconnect the flat ribbon cable that connects the key unit to the control unit and make sure the
door sensing switch is closed (either close the door or short the door sensing switch connecter). Use the
Key unit matrix indicated on the control panel schematic and place a jumper wire between the pins that
correspond to the STOP/CLEAR pad making momentary contact. If the control unit responds by clearing
with a beep the key unit is faulty and must be replaced. If the control unit does not respond, it is a faulty
and must be replaced. If a specific pad does not respond, the above method may be used (after clearing
the control unit) to determine if the control unit or key pad is at fault.
G 8
5
0
KITCHEN
TIMER
START
TOUCH
ON
L
RELAY TEST
Remove the outer case and check voltage between Pin No. 3 of the 2 pin connector (A) and the common
terminal of the relay RY2 on the control unit with an A.C. voltmeter.
The meter should indicate 120 volts, if not check oven circuit.
RY1 and RY2 Relay Test
These relays are operated by D.C. voltage
Check voltage at the relay coil with a D.C. voltmeter during the microwave cooking operation.
DC. voltage indicated ............. Defective relay.
DC. voltage not indicated ........ Check diode which is connected to the relay coil. If diode is good, control
RELAY SYMBOL
M
COMPU DEFROST TEST
(1) Place one cup of water in the center of the turntable tray in the oven cavity.
(2) Close the door, touch the " COMPU DEFROST " pad twice and touch the Number pad "5". And then
touch the "START" pad. (for R-310AK)
Close the door, touch the " COMPU DEFROST " pad and touch the Number pad "2", and touch
Number pad "5". And then touch the "START" pad. (for R-330AK/AW)
(3) The oven is in Compu Defrost cooking condition.
(4) The oven will operate as follows
WEIGHT
0.5lbs
(5) If improper operation is indicated, the control unit is probably defective and should be checked.
TEST PROCEDURES
G 7
G 6
G 5
G 4
G 3
4
3
2
1
REHEAT
FROZEN
9
8
7
6
DINNER
MINUTE
FRESH VEG
FROZEN
GROUND
SOUP
PLUS
SOFT
VEG
MEAT
COMPU
COMPU
HOT
RICE
CLOCK
COOK
DOG
DEFROST
R-330AK/AW
unit is defective.
OPERATIONAL VOLTAGE
R-330AK/AW
RY1
Approx. 24.0V D.C.
RY2
Approx. 23.0V D.C.
1ST STAGE
LEVEL
TIME
LEVEL
70%
40sec.
COMPONENT TEST
G 2
G 1
G 8
CUSTOM
5
POPCORN
HELP
BAKED
POWER
0
POTATO
LEVEL
START
FRESH VEG
STOP
COMPU
MINUTE
HARD
CLEAR
DEFROST
PLUS
FISH
POWER
LEVEL
SEA FOOD
CLOOK
R-310AK
Approx. 15.5V D.C.
Oven lamp / Turntable motor / Cooling fan motor
Approx. 12.0V D.C.
Power transformer
2ND STAGE
3RD STAGE
TIME
LEVEL
50%
38sec.
30%
14
G 7
G 6
G 5
G 4
G 3
4
3
2
1
9
8
7
6
POPCORN
FRESH
REHEAT
DINNER
BEVERAGE
VEGETABLE
CASSEROLE
PLATE
FROZEN
FRESH
STOP
TIMER
BAKED
ROLL
ROLL
POTATO
CLEAR
/ MUFFIN
/ MUFFIN
R310AK
CONNECTED COMPONENTS
TIME
43sec.
G 2
G 1
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