Eppendorf New Brunswick -86 °C Freezers Premium - Manual (Page 24)

Premium -86 °C Freezers — Operating manual
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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
The freezer is delivered unlocked. To change the code, the freezer must be unlocked. If a lock
code has already been set (indicated by the LOCK lamp flashing when the LOCK key is
pressed), that same code must be entered to unlock the freezer. When the freezer is unlocked,
the LOCK lamp is on (not flashing).
Once the freezer is unlocked, follow these steps to set a new lock code:
1. Press the CODE CHANGE key.
The lamp will flash and the display will go blank.
2. Using the numerical keys, enter the new four-digit number. Check it on the display.
3. Press the C key to cancel the entry if the display shows it to be incorrect, then enter the
correct number.
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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