Cleaning - Siemens SITRANS FC430 Operating Instructions Manual

9.3

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.
9.4 Maintenance and repair work
Impermissible repair of explosion protected devices
Risk of explosion in hazardous areas
● Repair must be carried out by Siemens authorized personnel only.
Maintenance during continued operation in a hazardous area
There is a risk of explosion when carrying out repairs and maintenance on the device in a
hazardous area.
● Isolate the device from power.
- or -
● Ensure that the atmosphere is explosion-free (hot work permit).
Impermissible accessories and spare parts
Risk of explosion in areas subject to explosion hazard.
● Only use original accessories or original spare parts.
● Observe all relevant installation and safety instructions described in the instructions for
FC430 (From firmware 4.0)
Operating Instructions, 06/2017, A5E39789392-AA
WARNING
WARNING
WARNING
WARNING
the device or enclosed with the accessory or spare part.
Service and maintenance
9.4 Maintenance and repair work
185