12
REFRIGERATOR COMPONENTS
Control panel
1. Door alarm indicator (DOOR): The red LED lamp is lit when the outer door is opened.
2 minutes after the door alarm indicator is ON, the alarm buzzer is activated to notice the door opening.
[page 25]
2. Alarm indicator (ALARM): The red LED lamp blinks during an alarm status. [page 25]
3. Battery indicator (BATTERY): The orange LED lamp is lit to notice the timing of battery replacement.
The orange LED lamp blinks to notice the timing of fan motor replacement. [page 26]
4. Temperature display indicator (LOWER): This lamp is lit when the lower monitor bottle temperature
is displayed or when the average temperature of lower and upper monitor bottle temperature is displayed
on the temperature display.
5. Temperature display indicator (UPPER): This lamp is lit when the upper monitor bottle temperature
is displayed or when the average temperature of lower and upper monitor bottle temperature is displayed
on the temperature display.
6. Temperature display: Normally this shows the present chamber temperature and during an alarm
status, this shows a blinking chamber temperature [page 25]. And an error code and a chamber
temperature is displayed alternately when the self diagnostic function detects any abnormality. [page 26]
7. Up arrow key ( ): This key is used at calibration mode of sensor for temperature display. Only a
service personnel can use this key.
8. Scroll key ( ): This key is for service and used by a service personnel only.
9. Calibration key (CAL): This key is used for the calibration of sensor for temperature display. Only a
service personnel can use this key.
10. Temperature display changeover key (UPPER/LOWER): By pressing this key, the displayed
temperature is changed in sequence; upper temperature, lower temperature, and average temperature of
upper and lower temperature. [page 19]
11. Alarm test key (ALARM TEST): This key is used to check the operation of alarm buzzer, alarm
indicator and remote alarm terminal. [page 25 and page27]
12. Alarm buzzer stop key (BUZZER): Pressing this key silences the alarm buzzer when the alarm
buzzer sounds.
The alarm buzzer at the time of power failure cannot be silenced by the alarm buzzer stop key.
12 9 8 7
6 21 4 5
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