10
FREEZER COMPONENTS
Control panel
1. Alarm lamp (ALARM):
This lamp is flashed when unit is in alarm status. See page 18.
2. Digital temperature indicator:
Normally, the current chamber temperature is displayed. In alarm
status, an error code and chamber temperature is displayed alternately. See page 18.
3. Numerical value shift key ( ):
Pressing this key in the set mode causes the numerical value to
shift. ON-OFF of key lock can be selected by pressing this key in the key lock setting mode.
4. Digit shift key ( ):
Pressing this key in the set mode causes the changeable digit to shift. Key
lock setting mode is led by pressing this key for more than 5 seconds in the temperature display mode.
Refer to page 14 for the key lock.
5. Set key (SET):
Temperature setting mode is led by pressing this key. Once the key is pressed, the
changeable digit is flashed. Pressing this key again after setting desired temperature, the setting is
stored into computer memory.
6. Defrost key (DEF):
By pressing this key for 5 seconds, the refrigerating operation is stopped.
Pressing this key again after defrosting leads resumption of the freezomg operation. See page 19 for
details.
Note:
The freezing operation never resume automatically after defrosting.
7. Buzzer stop key (BUZZER):
Buzzer stop key. Should a further abnormality occur, the buzzer will
sound automatically.
8. Alarm test key (ALARM TEST):
Test key for alarm device. By pressing this key, the alarm lamp is
flashed, remote alarm is activated and buzzer sound. This means all alarm function operate correctly.
This key is available only during normal running.
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