Description Of Function & Circuit Of Micom; Function - Kenmore 795.77302.600 Service Manual

8. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM

8-1 FUNCTION

8-1-1 Function
1. When the appliance is plugged in, it defaults 37 ° F, for the refrigerator and 0°F for the freezer.
You can adjust the refrigerator and the freezer control temperature by pressing the ADJUST button.
2. When the power is initially applied or restored after a power failure, it is automatically set to 37 & 0.
8-1-2 How to toggle the Display between ºF & ºC
1. The display temperature mode can be changed from °F to °C or °C to °F by pressing and holding the COLDER FREEZER TEMP
and the COLDER REFRIGERA TOR TEMP keys at the same time for over one second.
2. The initial setting is °F. Whenever the mode is changed, the appropriate LED is it.
8-1-3 Control of freezer fan motor
1. Freezer fan motor runs at either regular or high speed (2,400 or 2,700 rpm.)
2. High RPM is used when electricity is first on, for ULTRA ICE, and when refrigerator is overloaded.
Standard RPM is used for normal usage.
3 . . The fan motor is stopped when refrigerator door is opened
4. The fan motor is stopped when freezer door is opened (only if compressor is OFF.)
8-1- 4 ULTRA ICE
1. The purpose of this function is to intensify the cooling speed of freezer and to increase the amount of ice.
2. Whenever selection switch is pressed, selection/release, the LED will turn ON or OFF.
3. If there is a power outage and the refrigerator is powered on again, ULTRA ICE will be canceled.
4.To activate this function you need to press the ULTRA ICE key and the LED will turn ON. This function will remain
activated for 24 hrs. The first three hours the compressor and Freezer Fan will be ON. The next 21hours the freezer will
be controlled at the lowest temperature. After 24 hours or if the ULTRA ICE key is pressed again, the freezer will
return to its previous temperature.
5. During the first 3 hours:
(1) Compressor and freezer fan (HIGH RPM) run continuously.
(2) If a defrost cycle begins during the first 90 minutes of ULTRA ICE, the ULTRA ICE cycle will complete its
cycle after defrosting has ended. If the defrost cycle begins when ULTRA ICE has run for more than 90 minutes,
ULTRA ICE will run for two hours after the defrost is completed.
(3) If ULTRA ICE is pressed during defrost, ULTRA ICE LED is on, this function will start seven
minutes after defrost is completed and it shall operate for three hours.
(4) If ULTRA ICE is selected within seven minutes after compressor has stopped, the compressor (compressor
delays seven minutes) will start after the balance of the delay time.
(5) The fan motor in the freezer compartment rotates at high speed during ULTRA ICE.
6. For the rest of 21 hours, the freezer will be controlled at the lowest temperature.
8-1-5 Refrigerator Lamp Auto OFF
1. To protect the risk of lamp heat, when refrigerator door is opened for 7 minutes be turned off automatically .
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