Leica Biosystems CM1860/CM1860 UV - Manual (Page 29)

29 Leica CM1860/CM1860UV – Cryostat
To start disinfection, the sliding window must be completely closed.
Press the UVC button once briefly, 30 min. mode
Press the UVC button once for a longer time (approx. 4sec) to start the 180 min. mode
Both LEDs on the display for short and long disinfection indicate the status of the disinfection process:
Status LED LED UVC lamp
Short disinfection Long disinfection
Ready 1 OFF OFF OFF
Service life alternating flashing OFF
expired 2
Short disinfection ON OFF ON
active
Long disinfection
OFF ON ON
active
Short disinfection
Flashing OFF OFF
interrupted 3
long disinfection OFF Flashing OFF
interrupted 4
1 Status: Ready
Both LEDs and the UVC lamp are off.
• Start short disinfection: Press the UVC button briefly (<1 second). The LED for the short disinfection
cycle will illuminate.
• Start long disinfection: Press the UVC button for longer (>1 second). The LED for the short disinfec-
tion goes out and the LED for the long disinfection goes on.
2 Status: Service life of the UVC lamp expired
The LEDs for the short and long disinfection modes illuminate alternately, and the UVC lamp is off.
This status is displayed as soon as the service life of the UVC lamp (9000 hours) has been reached.
For replacing the UVC lamp, refer to Chapter 9.3.3.
6. Operating the Instrument