If the 4-digit display shows error codes or the door is not operating correctly, the section provides specific, actionable steps. Common Issues:
This controller is the standard partner for the and WA 400 M shaft drives, as well as the ITO 400 chain drive, all from Hörmann. Equipped with a digital display and control buttons, the A445 allows for straightforward programming and status monitoring.
Integrated SKS (Closing Edge Safety Device) and photocell connections. Operating Temp: -20°C to +60°C . Installation and Commissioning
Industrial door systems require periodic checks to stay compliant with workplace safety regulations.
Safety device configuration (e.g., photo-eye behavior). 3.2 Setting Limit Positions hormann a445 manual
The control unit has lost communications with the digital encoder on the motor shaft.
The installation and wiring of the A445 are detailed in the official manual and involve several key components:
| LED Blink Pattern | Meaning | Solution (from manual) | | --- | --- | --- | | 1 blink, pause | Travel limit not set | Program open/close limits (see Part 5). | | 2 blinks | Force exceeded (obstruction) | Check door balance. Remove obstruction. Re-learn force. | | 3 blinks | Photo eye error | Clean lenses. Align sensors. Check wiring. | | 4 blinks | Motor temperature too high | Wait 20 minutes for cooling. Improve ventilation. | | 5 blinks | Internal logic board fault | Cycle power. If persists, replace control PCB. | | Continuous fast blink | Radio interference | Change remote channel or move large metal objects away. |
Next time you’re troubleshooting, don’t just scan the error codes. Read the descriptive text around the diagrams. Hörmann hides operational philosophy there—like why the A445 slows down before stopping (to prevent a whip effect on the leaf). That one insight can save you from misdiagnosing a “slow gate” as a motor problem when it’s actually a design feature. If the 4-digit display shows error codes or
IP 65 (dust-tight and protected against water jets).
If your handheld transmitter isn't working, the manual explains the pairing process. For most Hörmann operators, this involves:
However, like any sophisticated electro-mechanical device, the A445 requires proper setup, regular maintenance, and occasional troubleshooting. This is where the becomes your most valuable tool.
Press and hold the on the internal display circuit board for approximately 3 seconds until the display switches from standard monitoring to menu indicators. Step 2: Essential Parameter Menus Use the arrow keys to cycle through vital system menus: Integrated SKS (Closing Edge Safety Device) and photocell
: For 3-phase motor configurations, mains wiring must establish a strict clockwise/right-hand field of rotation .
Adjusts how long the door stays open before closing automatically. Setting this to 0 disables auto-close, requiring manual push-button activation.
The control unit is receiving invalid data from the absolute encoder or mechanical limit switches.
