10
REFRIGERATOR COMPONENTS
Control panel components
1. Door check indicator (DOOR):
The red LED lamp is lit when the outer door is opened.
2 minutes after the door check indicator is ON, the alarm buzzer is activated to notice the door opening.
[page 19]
2. Alarm indicator (ALARM):
The red LED lamp blinks during an alarm status. [page 19]
3. 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.
4. 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.
5. Temperature display:
Normally this shows the present chamber temperature and during an alarm
status, this shows a blinking chamber temperature [page 19]. And an error code and a chamber
temperature is displayed alternately when the self diagnostic function detects any abnormality. [page 20]
6. Up arrow key ( ):
This key is used at calibration mode of sensor for temperature display. Pressing
this key at calibration mode causes the numerical value to change.
[page 18]
7. Scroll key ( ):
This key is for service and used by a service personnel only.
8. Calibration key (CAL):
This key is used for the calibration of sensor for temperature display.
Pressing this key for more than 5 seconds leads “calibration mode”. [page 18]
Use this key only when the calibration of sensor for temperature display is necessary.
9. 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 16]
10. Alarm test key (ALARM TEST):
This key is used to check the operation of alarm buzzer, alarm
indicator and remote alarm terminal. [page 19]
11. Alarm buzzer stop key (BUZZER):
Pressing this key silences the alarm buzzer when the alarm
indicator blinks and the alarm buzzer sounds.
11
8
7
6
5
2
1
3
4
9
10
Summary of Contents for MBR-305GR
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