Endress+Hauser RN221N Bedienungsanleitung Seite 17

Safety symbols
The unit could become dangerous if it is incorrectly installed or used. There-
fore please take note of all the safety hints and pictograms shown in these
installation and operating instructions. The meaning of the pictograms is as
follows:
!
Hint! - means activities or sequences that, if not done correctly
could have an indirect influence on the unit's operation or could
release an unforeseen unit reaction.
#
Warning! - means activities or sequences that, if not done correctly
could lead to serious personal injury, to a safety risk or total
damage to the unit.
Returns and disposal
When returning the unit for repair, please add a description of both the fault
and the application. Due to its construction, the unit cannot be repaired.
When disposing of the unit please take note of the local disposal regulations.
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