Sharp Carousel R-995J Instrukcja serwisowa - Strona 8

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R-995J

sensor "senses" the vapour and its resistance increases

gradually. When the resistance reaches the value set

according to the menu, supplementary cooking is started.

The time of supplementary cooking is determined by

experiment with each food category and inputted into the

LSI.

An example of how sensor works:

1. Potatoes at room temperature. Vapour is emitted very

slowly.

2. Heat potatoes. Moisture and humidity is emitted rapidly.

You can smell the aroma as it cooks. ;

AH SENSOR

3. Sensor detects moisture and humidity and calculates

cooking time and variable power.

AH SENSOR COOKING SEQUENCE

1. In case the AH sensor cooking condition is started, the

coil of shut-off relays (RY1+RY6) are energized, the

oven lamp and cooling fan motor are turned on, but the

power transformer is not turned on.

NOTE: The oven should not be operated on AH SENSOR

COOKING immediately after plugging in the unit.

Wait five minutes before cooking on AH SENSOR

COOKING CONDITION.

2. After about 16 seconds, the cook relay (RY2) is

energized. The power transformer is turned on,

microwave energy is produced and first stage is started.

The 16 seconds is the cooling time required to remove

any vapour from the oven cavity and sensor. Figure O-

NOTE: During this first stage, do not open the door or

touch STOP/CLEAR pad.

3. When the sensor detects the vapour emitted from the

food, the display switches over to the remaining cooking

time and the timer counts down to zero. At this time, the

door may be opened to stir food, turn it or season, etc.

NOTE: In case where a small quantity of food is cooked,

the oven will stop without displaying the remaining

cooking time.

4. When the timer reaches zero, an audible signal sounds.

The shut-off relay (RY1+RY6) and cook relay (RY2)

are de-energized and the power transformer, oven

lamp, etc. are turned off.

5 Opening the door or touching the STOP/CLEAR pad,

the time of day will reappear on the display and the

oven will revert to an OFF condition.

WEIGHT SENSOR COOKING CONDITION

In case where the weight sensor is used, the foods are

cooked without figuring cooking mode, time, power level-

ler weight. When the oven sense the weight of food, it

relays the information to its microprocessor which will set

the cooking mode and will calculate the cooking time and

power level needed for best results.

ACTIVATED SENSOR FOR SENSOR COOKING

The weight sensor and AH. sensor should be worked as

following table.

Sensor

Cooking

Roast beef, Roast beef dinner

Roast lamb, Roast lamb dinner

S E N S O R

I N S T A N T

Roast chicken

ACTION

Roast chicken dinner

Fresh vegetable, Jacket Potato

Beverage, Soup

Dinner plate, Casserole

S E N S O R

Canned food

REHEAT

Pie

Pizza

Seasoned roast, Grilled fish

Roast turkey, Roast pork

Grilled steak/Chops, Biscuits

Grilled Kebabs, Roast vegetable

Frozen vegetables, Casseroles

Fish fillets, Corned meat

Rice/Pasta, Desserts

I N T E L L I -

Soup, Preserves

GENT SEN-

SOR

Cake

Fresh vegetables Hard

White Rice

Fresh Pasta, Dry Pasta

Instant Noodles

Frozen Pasta

Porridge

Stewed Fruit

D E F R O S T

All menus

SENSOR

The menu "Cake" of Intelligent sensor does not use

neither the weight sensor nor the AH sensor.

FIRE SENSING FEATURE (MICROWAVE MODE)

This model incorporates a sensing feature which will stop

the oven's operation if there is a fire in the oven cavity

during microwave cooking.

This accomplished by the LSI repeatedly measures the

voltage across the temperature measurement circuit (ther-

mistor) during it's 32-seconds time base comparing the

obtained voltage measurements. If the most recent volt-

age measured is 300mV grater than the previous voltage

measured, the LSI judges it as a fire in the oven cavity and

switches off the relays to the power transformer, fan motor

and convection motor. The LSI also stops counting down

and closes the damper door so that no fresh air will enter

the oven cavity. Please refer to the following section for a

more detailed description.

Weight

AH.

Sensor