10.2 Cleaning
Cleaning t
he 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.
WARNING
Electrostatic charge
Risk of e
xplosion in hazardous areas if electrostatic charges develop, for example, when
cleaning plastic surfaces with a dry cloth.
• Prevent electrostatic charging in hazardous areas.
10.3 Maintenance and repair work
WARNING
Impermissible repair of explosion protected devices
Risk of e
xplosion in hazardous areas
• Repair must be carried out by Siemens authorized personnel only.
WARNING
Maintenance during continued operation in a hazardous area
Ther
e 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).
WARNING
Impermissible accessories and spare parts
Risk of e
xplosion 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 the
device or enclosed with the accessory or spare part.
Service and maintenance
10.3î™ Maintenance and repair work
SITRANS LR500 series with mA/HART
150 Operating Instructions, 03/2024, A5E51099898-AA