Control Of Variable Type Of Freezing Fan; Control Of Cooling Fan Motor; Door Opening Alarm; Ringing Of Button Selection Buzzer - Kenmore 795.58812.900 Service Manual

2-6 Control of variable type of freezing fan

1. To increase cooling speed and load response speed, MICOM variably controls freezing room fan motor at the high speed
of RPM and standard RPM.
2. MICOM only operates in the input of initial power or express freezing operation or load response operation for the high
speed of RPM and operates in the standard RPM in the other general operation.
3. If opening doors of freezing / cold storage room while fan motor in the freezing room operates, the freezing room fan
motor normally operates (if being operated in the high speed of RPM, it converts operation to the standard ROM).
However, if opening doors of freezing room of freezing room, the freezing room fan motor stops.
4. As for monitoring of BLDC fan motor error in the freezing room, MICOM immediately stops the fan motor by determining
that the BLDC fan motor is locked or fails if there would position signal for more than 115 seconds at the BLDC motor.
Then it displays failure (refer to failure diagnosis function table) at the display part of refrigerator, the BLDC motor doesn't
operate more. If you want to operate the BLDC motor, turn off and on power resource.

2-7 Control of cooling fan motor

1. The cooling fan motor performs ON/OFF control by linking with the COMP.
2. It controls at the single RPM without varying RPM.
3. Failure sensing method is same as in fan motor of freezing fan motor (refer to failure diagnosis function table for failure
display).

2-8. Door opening alarm

1. Buzzer generates alarm sounds if doors are not closed even when more than a minute consecutively has passed with
doors of freezer / refrigerator opened.
2. After the door has been open for one minute, the buzzer sounds for ½ second and then sounds three times every 30
seconds.
3. If all doors are closed when the alarm sounds, it is cancelled immediately.

2-9. Ringing of button selection buzzer

1. The ding ~ will sound whenever a button is pressed.
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