ThermoFisher Scientific HERASAFE 2025, Operating Instructions Manual

Page: 41 / 76

Herasafe 2025 50161258 | 41
Operation |
Chapter 6
Description of the Operating Modes
Following operating modes exists for the device:

OFF-Mode

Work-Mode

Window-Open-Mode

Stand-By-Mode

UV-Mode
OFF-Mode: The device is at "idle". Utilized for charging the sample chamber or for
cleaning and disinfection, the front cover can be opened when the front window is
completely closed.

The air system blowers are switched off.

The sample chamber illumination is available.
The internal power supply within the sample chamber is available:

If the internal power supply is activated, the blue status indicator INTERNAL
POWER SUPPLY ACTIVATED is illuminated.

Time is shown at the display.

The contact for the external device connection is not available.
Work-Mode: Ensures personal and material protection. In this operating mode, the work
process is run within the sample chamber. The device is in the work mode when the front
window has been moved into the working position and the airflow is steady.

The front window is in the working position:

The green status indicator FRONT WINDOW IS IN WORKING POSITION is
illuminated.

No audible alarm signal.

The air system blowers are switched on to ensure steady airflow:

The green status indicator AIRFLOW STEADY is illuminated.

The sample chamber illumination is available.

The power supply for the sample chamber outlets is available:
ER 82 Current too high moving front window up
ER 83 Current too high moving front window down
ER 84 Fan speed faulty
Table 1. Fehlermeldungen
Error code Fault cause