Manual Better — Hormann A445
External push buttons, key switches, or pull cords connect to the low-voltage terminal strip:
The A445 acts as the "brain" of the sectional door, managing power distribution and safety signals. 400V AC / 3-phase / N / PE.
The rain had been steady all week, drumming a soft, steady rhythm against the workshop windows. In the dim light, Jonas wiped his hands on an oil-stained rag and looked at the quiet shape resting on the bench: a Hörmann A445 garage door opener, its metal casing dulled from years of reliable duty. He remembered the day he installed it in his first house — the satisfying click when the motor engaged, the way the door rose with practiced grace. It had been more than a machine; it was a small miracle that made coming home feel complete.
Connect phases to terminals L1, L2, L3 , and the neutral to N . Connect the ground wire to the PE terminal. hormann a445 manual
A single press opens or closes the door fully (requires safety devices). Common Programming Menus
Limit switch error (the control doesn't know the door's position). 20: Internal system fault or power surge. Installation & Safety Notes
: Initial setup involves long-pressing the program button to set upper and lower travel limits. troubleshooting guide for specific error codes on the A445 display? Hörmann A445 Instruction manual - Remootio External push buttons, key switches, or pull cords
What is it operating (sectional, rolling shutter, high-speed)?
As per BiSecur manual supplement:
To ensure continuous operational safety according to European Standards (EN 12453), the control system must undergo annual inspections. In the dim light, Jonas wiped his hands
The 7-segment display on the cover of the Hörmann A445 acts as a diagnostic center. When the unit encounters an issue, it flashes an alphanumeric error code. Common Error Codes and Fixes Error 01 or E01 : Emergency Stop Tripped The emergency stop circuit is broken.
Connect the main power supply lines to the primary terminal block. For a standard 3-phase configuration, connect lines L1, L2, and L3 to the main switch terminals, ensuring the Protective Earth (PE) wire is securely grounded to the chassis. Safety Devices Wiring
Uses an electronic encoder via a CAN bus system. Temperature Range: -20ºC to 60ºC. Core Functional Features: Easy Programming: Menu-driven interface.
The Hormann A445 manual provides detailed operating instructions, including:
