Service And Maintenance; Basic Safety Notes; Maintenance - Siemens SITRANS F Series Operating Instructions Manual

Service and maintenance

10.1

Basic safety notes

Note
The device is maintenance-free.
10.1.1

Maintenance

The device is maintenance-free. However, a periodic inspection according to pertinent directives
and regulations must be carried out.
An inspection can include, for example, check of:
• Ambient conditions
• Seal integrity of the process connections, cable entries, and cover
• Reliability of power supply, lightning protection, and grounds
Dust layers above 5 mm
Risk of explosion in hazardous areas.
Device may overheat due to dust build up.
• Remove dust layers in excess of 5 mm.
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).
NOTICE
Penetration of moisture into the device
Damage to device.
• Make sure when carrying out cleaning and maintenance work that no moisture penetrates
SITRANS FST090
Operating Instructions, 11/2021, A5E50387341-AA
WARNING
WARNING
the inside of the device.
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