Safety Symbols; Residual Risks - Häfele DT 100 Mode D'emploi

3.2 Safety symbols

3.3 Residual risks

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The following stickers are located on one or more components of the access control
system. They relate to the immediate environment of where they are located.
Electric voltage
Only qualified electricians are permitted to work on such marked
components.
Unauthorised persons may not open the such marked cabinet.
Crossed-out dustbin
This image indicates that the respective component must not be
disposed of with residential waste.
Do not touch
Components with this marking could be damaged by touching.
Lead
The circuit board does not contain lead.
The components have been designed according to the latest state of technology and
current safety requirements.
However, there remain residual risks that require careful handling. Below the
residual risks and the resulting behaviours and actions are listed.