Heidolph LABOROTA 20 compact and safety - Manual (Page 93)

93
E
Emergency LED illuminates, Akt Vacuum LED blinks, and “SAFE” is shown in the Vacuum Display
alternating with the actual pressure.
Reset the Emergency-Function by switching the master switch on and off again.
Limit value:
Depending upon the desired vacuum, at which distillation should occur, it can be advantageous to
adjust the limit value. From the factory, the limit value is set at 900 mbar. The limit value can be
changed from 0 to 1200 mbar.
Pay attention that the limit value is never set lower than the value, at which
distillation should occur, as an „Emergency“ will be triggered otherwise.
Change limit value:
Switch off the LABOROTA 20 control with the master
switch „Power“.
Simultaneously press the Select key and the Start Stop
key in the „Speed“ field and switch on the master
switch „Power“. Wait until all LED´s light up and then