Cleaning - Siemens SITRANS F Series Compact Operating Instructions

Service and maintenance

6.2 Cleaning

Leaks in the sample gas path
Risk of poisoning.
When measuring toxic process media, these can be released or collect in the device if there
are leaks in the sample gas path.
● Purge the device as described in Commissioning (Page 49).
● Dispose of the toxic process media displaced by purging in an environmentally friendly
Releasing button lock
Improper modification of parameters could influence process safety.
● Make sure that only authorized personnel may cancel the button locking of devices for
Use of a computer in a hazardous area
If the interface to the computer is used in the hazardous area, there is a risk of explosion.
● Ensure that the atmosphere is explosion-free (hot work permit).
6.2 Cleaning
Cleaning the enclosure
● Clean the outside of the enclosure with the inscriptions and the display window using a cloth
moistened with water or a mild detergent.
● Do not use any aggressive cleansing agents or solvents, e.g. acetone. Plastic parts or the
painted surface could be damaged. The inscriptions could become unreadable.
Electrostatic charge
Risk of explosion in hazardous areas if electrostatic charges develop, for example, when
cleaning plastic surfaces with a dry cloth.
● Prevent electrostatic charging in hazardous areas.
52
WARNING
manner.
CAUTION
safety-related applications.
WARNING
WARNING
Compact Operating Instructions, 09/2019, A5E39940293-AB
SITRANS FC430