Eppendorf New Brunswick -86 °C Freezers Premium - Manual (Page 23)

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Premium -86 °C Freezers — Operating manual
3. Using the numerical keys, enter a new alarm setpoint temperature.
The selected temperature will appear in the TEMPERATURE display.
4. When the correct temperature is displayed, press the E (Enter) key to enter the data. To set
the low alarm setpoint skip to (see Setting low alarm setpoint on p. 23), step 2.
The HIGH ALARM indicator will turn off.
5. Press the LOCK key to exit programming.
The LOCK lamp will go off and the freezer will return to normal mode.
6.2.3 Setting low alarm setpoint
The low alarm setpoint may not be colder than -91 °C and may not be more than within -5° of the
operating temperature. The default setting is -5 °C from the temperature setpoint.
1. Press the LOCK key.
The LOCK lamp will illuminate, indicating the system is unlocked and parameters can be
changed.
2. Press the LOW ALARM key.
Its indicator will flash and the display will indicate 0.
3. Using the numerical keys, enter a new alarm setpoint temperature.
The selected temperature will appear in the TEMPERATURE display.
4. When the correct temperature is displayed, press the E (Enter) key to enter the data.
The LOW ALARM indicator will turn off.
5. Press the LOCK key to exit programming.
The LOCK lamp will go off and the freezer will return to normal mode.
6.2.4 Checking temperature and alarm setpoint settings
To view the currently set operating temperature, high alarm setpoint, or low alarm setpoint for the
freezer.
 Press the SET TEMP key, HIGH ALARM key, or the LOW ALARM key and read the display.
Hint!
Press the C key to clear the display during programming.
Hint!
The LOCK lamp will flash if a lock code (password protection) is required, (see Changing lock
codes on p. 24).
Hint!
Press the C key to clear the display during programming.
Hint!
If you press the SET TEMP, HIGH ALARM or LOW ALARM key while the LOCK key lamp is
flashing, the display will read ---- , which indicates that the freezer is locked.
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