4 checking temperature and alarm setpoint settings, 5 setting the alarm delay, 6 changing lock codes – Eppendorf New Brunswick -86 °C Freezers G User Manual
Page 25: Checking temperature and alarm setpoint settings, Setting the alarm delay, Changing lock codes, See changing lock codes on p. 25), Hef® and g -86 °c freezers — operating manual, Oper at ion
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HEF® and G -86 °C Freezers — Operating manual
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.
6.2.5
Setting the alarm delay
The HIGH ALARM audible alarm and the REMOTE ALARM monitoring socket can be
programmed to a time delay set between 0 and 40 minutes.
The default time delay is 30 minutes. If the time delay is set to 0 minutes, the system will program
it as 15 seconds.
To set the audible HIGH ALARM delay (KEY 8):
1. Press the LOCK key.
The LOCK lamp illuminates, indicating the system is unlocked and parameters can be
changed.
2. Press keypad button 8.
pp flashes on the display.
3. Enter the desired value (e.g., press keypad buttons 1 and 0 to designate 10 minutes).
4. Press the E (Enter) key.
The LOCK lamp goes out.
To set the REMOTE ALARM socket time delay (KEY 9):
1. Press the LOCK key.
The LOCK lamp illuminate, indicating the system is unlocked and parameters can be
changed.
2. Press keypad button 9.
pp flashes on the display.
3. Enter the desired value (e.g., press keypad button 5 to designate 5 minutes).
4. Press the E (Enter) key.
The LOCK lamp goes out.
If the number entered is valid, --- flashes on the display, the value has been stored, and the
LOCK lamp goes out. (This is a one-shot operation.)
If the number entered is out of range, –EE– shows on the display and the operation will need to
be repeated using a valid number.
6.2.6
Changing lock codes
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.
Hint!
Press KEY 8 to display the High Temperature audible alarm delay, and press KEY 9 to display
the Remote Alarm Socket switching delay.
Hint!
If you enter a lock code when there is none, or if you replace an existing lock code with a new
one, take note of the new code before you enter it.
If the code is forgotten, you will need to contact Customer Service to regain access to the
programming mode of the freezer.
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