Enclosure Open - Siemens SITRANS LR560 Compact Operating Instructions

Service and maintenance
7.3 Maintenance and repair work
7.3.1

Enclosure open

Enclosure open
Risk of explosion in hazardous areas as a result of hot components and/or charged capacitors
inside the device.
To open the device in a hazardous area:
1. Isolate the device from power.
2. Visually inspect sensor inlet and outlet.
Exception: Devices exclusively having the type of protection "Intrinsic safety Ex i" may be
opened in an energized state in hazardous areas.
Hazardous voltage at open device
Risk of electric shock when the enclosure is opened or enclosure parts are removed.
● Before you open the enclosure or remove enclosure parts, de-energize the device.
● If maintenance measures in an energized state are necessary, observe the particular
Hot, toxic or corrosive process media
Risk of injury during maintenance work.
When working on the process connection, hot, toxic or corrosive process media could be
released.
● As long as the device is under pressure, do not loosen process connections and do not
● Before opening or removing the device ensure that process media cannot be released.
Improper connection after maintenance
Risk of explosion in areas subject to explosion hazard.
● Connect the device correctly after maintenance.
● Close the device after maintenance work.
Refer to Connecting (Page 23).
50
WARNING
CAUTION
precautionary measures. Have maintenance work carried out by qualified personnel.
WARNING
remove any parts that are pressurized.
WARNING
Compact Operating Instructions, 06/2018, A5E39693895-AA
LR560