![Siemens SITRANS FC430 Operating Instructions Manual Download Page 183](http://html.mh-extra.com/html/siemens/sitrans-fc430/sitrans-fc430_operating-instructions-manual_374486183.webp)
Service and maintenance
9
9.1
Basic safety notes
Note
The device is maintenance-free.
The device is maintenance-free. However, a periodic inspection according to pertinent
directives and regulations must be carried out.
An inspection can include check of:
● Ambient conditions
● Seal integrity of the process connections, cable entries, and cover screws
● Reliability of power supply, lightning protection, and grounds
WARNING
Impermissible repair and maintenance of the device
● Repair and maintenance must be carried out by Siemens authorized personnel only.
WARNING
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.
NOTICE
Penetration of moisture into the device
Device damage.
● Make sure when carrying out cleaning and maintenance work that no moisture penetrates
the inside of the device.
FC430 (From firmware 4.0)
Operating Instructions, 06/2017, A5E39789392-AA
183