Message in the
Meaning
cycle display
Display
The temperature-dependent contrast
unreadable
setting of the control unit is not
working properly.
Control unit does
Control unit does no longer respond
no longer
respond to
program input, if
it is not running
Sterilizer has performed 400
sterilization cycles.
Table 2: Error codes and their meanings
Thermo Scientific
14 Troubleshooting
77
Remedy
Contact after-sales
service.
Disconnect the sterilizer
from mains, and
immediately reconnect
to mains.
Or press the Preheating
key (22) and the ▼ key
(16) concurrently.
Contact after-sales
service.
Replace the sterile air
filter (see maintenance
instructions).
50112712_082007_GB