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TEST PROCEDURES
(CONT'O)
PROCEDURE
LETTER
COMPONENT
TEST
0
AH SENSOR
TEST
Checking
the initial
sensor
cooking
condition
(1)
The oven should
be plugged
in at least five minutes
befor sensor cooking.
(2)
Room temperature
should
not exceed 35 "C.
(3)
The unit should
not be installed
in any area where heart and steam are generated.
The
unit should
not be installed,
for example,
next to a conventional
surface unit. Refer to the
"INSTALLATION
Instruction".
(4)
Exhaust vents are providend
on the back of the unit for proper cooling
and air flow in the
cavity.To
permit adequate
ventilation,
be sure to install
so as not to block these vents,
There should
besome
space for air circulation.
(5)
Be sure the exterior
of the cooking
container
and the interior
of the oven are dry. Wipe
off any moisture
with a dry cloth or paper towel.
(6)
The Sensor works with food at normal storage temperature.For
example,
chicken
pieces
would
be at refrigerator
temperature
and canned soup at room temperature.
(7)
Avoid
using aerosol sprays or cleaning
solvents
near the oven while
using Sensor set-
tings. The sensor will detect the vapor given of by the spray and turn off befor food is
properly
cooked.
(8)
After 30 minutes
if the sensor has not detected the vapor of the food, ERROR will appear
and the oven will shut off.
Water
load cooking
test
Make sure the oven has been plugged
in at least five minutes
before checking
sensor cook op-
eration
The cabinet
should
be installed
and screws tightened.
(1) Fill approximately
200 milliliters
(7.2 oz) of tap water in a 1000 milliliter
measuring
cup.
(2) Place the container
on the center of tray in the oven cavity.
(3) Close the door.
(4) Touch
SENSOR
COOK pad and number
pad I. Now, the oven is in the sensor cooking
condition
and SC-l
will appear in the display.
(5) Touch Start pad.The oven will operate for the first 16 seconds, without
generating
micro-
wave energy.
When the AH sensor is defective
(open or short),
ERROR will appear in the display
after 16
seconds cooling
time.
If ERROR appears check sensor wire connections
and/or
AH sensor.
NOTE:
ERROR will
appear if the door is opend or STOP/CLEAR
pad is touched
during
first
stage of sensor cooking.
(6) After approximately
16 seconds, microwave
energy is produced,
oven should turn off when
water is boiling
(bubling).
If the oven does not turn off, replace the AH sensor or check the control
unit, refer to expla-
nation below:
TESTING
METHOD
FOR AH SENSOR
AND/OR
CONTROL
UNIT
To determine
if the sensor is defective,
the simplest
method
is to replace it with
a new re-
placement
sensor.
(1) Disconnect
oven from power supply and remove outer case.
(2) Discharge the high voltage capacitor.
(3) Remove the AH sensor.
(4) Install the new AH sensor.
(5) Re-install
the outer case.
(6) Reconnect
the oven to the power supply
andcheck
the sensor cook operation
proceed
as
follows:
6-1. Touch SENSOR COOK pad and number 0 pad.
6-2. Touch Start pad. The control
panel is in automatic
Sensor operation.
6-3. The oven will turn off automatically
when the water is boiling
(bubling).
If new sensor dose not operate properly,
the problem
is with the control
unit.
20
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