CO
2
Incubator BB 150 Operating Instructions
39
6.
Handling and control
1. The audible alarm sounds.
2. Silence the audible alarm:
Press any key.
The audible alarm is silenced.
3. Read failure codes:
Keep the
key depressed.
If no failure is detected, each display shows three hyphens.
If the system detects a failure, the display that is assigned to the corre-
sponding control circuit shows a failure code. Example: If the tempera-
ture display shows failure code 101, a failure in the temperature con-
trol circuit was detected.
NOTE – Failure codes
For a list and a description of the failure codes,
please refer to Section 6.8, "Failure code list".