ULTRAMAT 23
Manual, 3/2016, A5E37100388-003
165
Safety instructions
10.1.1
General safety instructions
Dangerous voltage at open device
Danger 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
precautionary measures. Have maintenance work carried out by qualified personnel.
Hot, toxic or corrosive process media
Danger 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
remove any parts that are pressurized.
• Before opening or removing the device ensure that process media cannot be released.
Impermissible repair and maintenance of the device
• Repair and maintenance must be carried out by Siemens authorized personnel only.
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