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4-3. Sound function
1) Sound function
1-1) To make sure a command input, whenever a button is pressed, a “Beep” sounds.
1-2) When two or more buttons are pressed simultaneously or if a wrong button is pressed,
there is no sound.
2) Door Open Alarm
2-1) When the doors remain open for 2 minutes, there are 10 times beeps.
2-2) If the doors continue to remain open more than 2 minutes, the additional 10 beeps interval
will change to 1 minute.
2-3) The beeps will cease immediately when the doors are closed.
4. Troubleshooting and major adjustment
4-4. Cooling Off Function
This function is for a display purpose on the floor of show room or store.
1) Mode ON/OFF
1-1) For the Cooling Off mode, press Power Freeze and Freezer Temp, buttons simultaneously
for 3 seconds until a “ding-dong” sounds.
1-2) Press the same time buttons again for 3 seconds to cancel this mode put with a “ding-
dong” sound.
2) Operation
2-1) Most of the system function except the compressor operation are working properly.
2-2) There is no defrost cycle in this mode.
2-3) “OF” is displayed on F, R Display.
2-4) Cooling Off mode is not cleared even if power is reset.
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