Do you have a question about the G-U Secury 21 EK and is the answer not in the manual?
Explains hazard levels DANGER, WARNING, CAUTION, ATTENTION for safety communication.
Critical safety notes regarding power supply units and cable handling during preparation.
Details wiring diagrams, cable paths, and cross-sections for electrical installation.
Step-by-step procedure to verify lock functionality before initial use.
Common issues and their solutions for different SECURY lock models.