4-digit or 2-digit display options (depending on version) for error reporting and configuration. 2. Technical Data & Features Hormann A445 control unit
Check the 24V AC output on the control board. If voltage is present, the wall button is faulty. If not, the logic board may have a blown fuse (often located next to the terminal strip).
The A445 features a 3-phase power supply and an integrated 2-digit 7-segment display for status and programming. 400V / 3Ph / N / PE.
Features a 2-digit 7-segment display for status monitoring and menu navigation. hormann a445 manual
If your A445 is acting erratically, do not guess. Download the official PDF, start at the "Faults" table (Section 11), and work backwards. When in doubt, the emergency release cord is your best friend—it disconnects the motor so you can use the door manually.
The A445 is compatible with Hörmann's , WA 400 M , and ITO 400 shaft operators, which are designed for industrial sectional doors.
Set the upper limit first; the display will show an upper dash symbol. Set the lower limit (stopping roughly 5 cm before the ground 4-digit or 2-digit display options (depending on version)
Only qualified electricians should perform the electrical setup to avoid life-threatening hazards.
Here are the key technical specifications of the Hormann A445:
: Enables setting an auto-close interval, adjustable from 0 up to several minutes depending on building requirements. Diagnostic Codes & Troubleshooting If voltage is present, the wall button is faulty
Despite its reliability, the Hormann A445 may occasionally encounter issues. The manual provides guidance on troubleshooting common problems, including:
Electronic adjustment of the final "Open" and "Close" positions. Automatic Timed Close
: Uses an electronic encoder via CAN bus rather than mechanical limit switches. Parkeerapparatuur.nl Core Features & Functionality Programming & Display
: Use the enter button to save each position. The display should return to a '1' with a lower dash once programming is finalized. Troubleshooting & Error Codes
Typically 230 V / 400 V, depending on configuration.