Siemens SITRANS FS230 Compact Operating Instructions page 89

Humid environment
Risk of electric shock.
• Avoid working on the device when it is energized.
• If working on an energized device is necessary, ensure that the environment is dry.
• Make sure when carrying out cleaning and maintenance work that no moisture penetrates
Hot surfaces
Risk of burns during maintenance work on parts having surface temperatures exceeding 70 °C
(158 °F).
• Take corresponding protective measures, for example by wearing protective gloves.
• After carrying out maintenance, remount touch protection measures.
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. Observe the wait time specified in Technical specifications (Page 93) or on the warning
3. Visually inspect sensor inlet and outlet.
Exception: Devices exclusively having 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
SITRANS FS230
Compact Operating Instructions, 05/2021, A5E38755607-AC
WARNING
the inside of the device.
CAUTION
WARNING
sign before opening the device.
CAUTION
precautionary measures. Have maintenance work carried out by qualified personnel.
Service and maintenance
6.3 Maintenance and repair work
89