Christ Alpha 3-4 LSCbasic Operating Manual page 64

Freeze-dryer Alpha 3-4 LSCbasic
6 Operation
CAUTION
NOTE
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Maintenance (4)
The maintenance interval of the freeze-dryer is set at 3,000 operating hours
or at least one maintenance per year.
When the end of a maintenance interval is reached, a corresponding
message will be displayed.
•
Acknowledge the message.
•
Make an appointment for the maintenance of your freeze-dryer.
•
After the maintenance, our service engineer will reset the operating
hour counter in the dialogue box "Maintenance".
Fig. 48: Dialogue box "Maintenance"
Sensor adjustment (5)
In this dialogue box, the sensors are adjusted based on a predefined
reference value.
Sensors that are not properly adjusted will lead to incorrect measurements
which, in turn, will have a negative effect on the process control.
Only specialised personnel are authorised to perform the sensor
adjustment.
Version 11/2018, Rev. 1.2 of 05/03/2019 • sb-pe
Translation of the original operating manuel