Labconco Type C1 Biosafety Cabinet Models 30468 - Manual (Page 72)

Product Service 1-800-522-7658 72
Timer Operation
NOTE: The timer button allows activation of an interval (countdown) or
stopwatch (elapsed) timer. The timers cannot be operated simultaneously.
To access the main timer menu, press the Timer button anytime during normal
operation. The main timer menu is shown on the LCD display. Use the ▲ and ▼ buttons
to highlight the Interval or Stopwatch Timer. Press the OK/MUTE button to select the
highlighted timer function.
Interval Timer Operation
1. When selected, the Interval Timer menu is displayed on the LCD. The timer
defaults to 0:00:00 (hours:minutes:seconds).
2. Press and hold the ▲ or ▼ buttons to increase or decrease the timer interval.
3. When the proper interval is entered on the display, press the OK/MUTE button
to start the timer.
4. When the timer reaches 0:00:00, an audible alarm will sound, and the timer will
reset itself and repeat the countdown.
5. Press the OK/MUTE button to pause the timer.
6. Press the Menu button to clear the interval timer and return to the main timer
menu.
Stopwatch Timer Operation
1. When selected, the Stopwatch Timer menu is displayed on the LCD. The timer
defaults to 0:00:00.
2. Press the OK/MUTE button to start the timer.
3. Press the OK/MUTE button again to zero the timer.
4. Press the Menu button to clear the stopwatch timer and return to the main
timer menu.
If An Airflow Alert Activates
The most common causes of an Airflow Alert are:
 Blockage of the inlet grilles or exhaust outlet.
 Removal of the work surface or grille during operation.
Resetting the Airflow Alert System
The Airflow Alert automatically resets to normal operation once the motor speed has
stabilized.