Hormann A445 is a control unit designed for industrial sectional door drives, including the WA 400, WA 400 M, and ITO 400 models . It is characterized by its high protection class (
) and integrated 4-digit display for easy programming and diagnostics. Parkeerapparatuur.nl Core Specifications Power Supply : Requires a 3-phase 400V AC (+N +PE) connection. Operating Voltage : 24 V control voltage with a maximum load of Temperature Range : Built for extreme environments, operating between -20ºC and 60ºC Limit Settings : Uses an electronic encoder via rather than mechanical limit switches. Parkeerapparatuur.nl Programming & Initial Setup
To set up or program the A445 control unit, follow these general steps found in the Hormann programming guides Enter Programming Mode : Long-press the program button until the display shows Select Function : Navigate to to begin limit adjustment. Set Limits
Set the upper limit first; the display will show an upper dash symbol. Set the lower limit (stopping roughly 5 cm before the ground
: 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
The A445 unit displays specific codes to identify system issues: : Indicates the RSK (Safety Circuit)
is open; typically requires checking jumpers in plugs X1 or X3. Sensor Obstruction
. Check for blockages in the door’s path or the closing edge safety device. Power Supply Issue . Check main power connections and circuit breakers. Motor Overload
. Often caused by mechanical binding or excessive strain on the motor. Shakti Hormann
For remote operation, the A445 is compatible with smart accessories like ismartgate
, allowing control via smartphone and integration with HomeKit or Alexa. wiring diagram for an external accessory? Hörmann A445 Instruction manual - Remootio
Hörmann A445 is a 3-phase industrial door control unit typically used with shaft operators like the Parkeerapparatuur.nl Official Manuals & Resources Full Technical Manual (English)
: A comprehensive guide covering installation, electrical connections, and programming steps can be found at Quick Reference & Wiring : Third-party providers like ismartgate
offer simplified instruction manuals and wiring diagrams for smart controller integration. Official Media Centre
: For the latest technical manuals and spare parts overviews, visit the Hörmann UK Media Centre Key Technical Specifications : 400Vac / 3-phase / N / Pe. Power Consumption : Maximum 4350W at 400V.
: Integrated 7-segment display with Up-Stop-Down buttons on the housing. Protection Rating : IP 65 (dust-tight and protected against water jets). Connectivity
: Supports photocells, wicket door sensors, and electronic encoders via CAN bus. Parkeerapparatuur.nl Common Programming & Maintenance Tasks Limit Settings
: Menus 03 and 04 are used for fine-tuning the "Door Open" and "Door Closed" end-of-travel positions. Error Codes
: Status and error messages are displayed on the 7-segment screen. For example, a flashing "11" often indicates a safety device failure at socket X30. Manual Operation
: In the event of a power failure, the operator can be released for manual use. Step-by-step video guides are available on the ABi Garage Doors YouTube channel explanation or a wiring diagram for a particular accessory?
The Hörmann A 445 is a industrial control unit designed for three-phase door operators like the WA 400, WA 400 M, and ITO 400. Key Technical Specifications Voltage: 400V AC / 3-phase / N / PE.
Protection Class: IP 65 (dust-tight and protected against water jets).
Display: Integrated 4-digit or 7-segment display for status and error codes. Operating Temp: -20ºC to 60ºC. hormann a445 manual
Limit Switches: Uses electronic encoders via CAN bus rather than mechanical switches. Notable Features & Smart Integration
Frequency Controller: Standard in the A 445, allowing for smooth door movement.
Smart Upgrades: While the unit is a traditional industrial controller, it can be made "smart" using third-party accessories like Remootio or ismartgate. These allow for: Control via Bluetooth, Wi-Fi, or Internet.
Integration with Apple HomeKit, Amazon Alexa, and Google Home. Geofencing to open the gate automatically upon arrival.
Remote Programming: Standard Hörmann remotes can be programmed by holding the working remote next to a new one and mirroring the button press until the LED flashes rapidly. Common Error Codes & Troubleshooting
The A 445 uses numeric codes to communicate status. A common "interesting" diagnostic code found in technical manuals is:
Code 21: Indicates the operator is blocked or the motor will not start.
Manual Override: In the event of a power failure, the door can be released by pulling the green/red toggle on the traveler to operate it manually. Resources & Manuals
The Hörmann A445 is a versatile industrial door control unit designed primarily for use with drives like the WA 400, WA 400 M, and ITO 400. This guide provides a detailed overview of its technical specifications, installation requirements, programming steps, and troubleshooting codes found in the official manual. Technical Specifications
The A445 is engineered for heavy-duty industrial environments, featuring a robust housing with an IP 65 protection rating, making it resistant to dust and low-pressure water jets. Supply Voltage: Operating Temperature: Effective between
Interface: Features a 2-digit 7-segment display for status monitoring and menu navigation.
Control Panel: Integrated buttons for Open, Stop, and Down functions directly on the housing.
Safety Inputs: Supports optical sensing edges, photo eyes, and resistive sensing edges (8k2). Installation and Setup
Installation must be performed by qualified personnel to ensure electrical safety and proper door function.
Mounting the Housing: The control unit should be mounted in a position where the door is visible at all times during operation. Electrical Connection: Mains voltage must be within of the nominal working voltage.
For three-phase motors, a clockwise phase rotation is required.
Connect the power cable (typically 400V) through the bottom of the housing to prevent moisture entry.
Sensor Wiring: All sockets, such as X30 (safety devices) and X31, must be correctly assigned. If an 8k2 resistance contact strip is not used at X33, a jumper plug is required at X34. Programming the A445
Programming is conducted using the internal 7-segment display and navigation buttons. Control A445 Hörmann in housing - Parkeerapparatuur.nl
The Hörmann A445 is a versatile industrial door control unit designed for high-performance use with sectional, rolling, and folding doors. It is characterized by its digital display and 3-phase power compatibility. Core Technical Specifications
Operating Voltage: 3-phase 400V AC or 1-phase 230V AC (depending on configuration).
Control Type: Microprocessor-based control with a 7-segment display. Hormann A445 is a control unit designed for
Protection Category: IP 65 (protected against dust and low-pressure water jets).
Compatibility: Works specifically with Hörmann WA 400 or ITO 400 operators. Key Features & Functions
Menu-Driven Programming: Settings are adjusted via a three-button keypad (Open, Stop, Close) and a digital menu system.
Automatic Timer: Features an integrated "automatic timer" (Menu 01) that can be set to close the door after a specific hold-open time.
Safety Integration: Includes connections for optosensors (leading-edge protection), light barriers, and emergency stop circuits. Operational Modes: Deadman: Constant pressure required to move the door.
Impulse: A single press opens or closes the door fully (requires safety devices). Common Programming Menus
The manual categorizes settings into numbered menus. Some of the most frequently used include: Menu 00: Displays the current status or error codes. Menu 01: Hold-open time (automatic closing). Menu 02: Pre-warning time (flashing light before movement).
Menu 11: Reversing limit (adjusts where the door stops sensing obstructions near the floor). Standard Error Codes
If the A445 encounters a fault, the 7-segment display will flash a code: 01: Emergency stop circuit is open. 02: Safety edge (SKS) has been triggered or is faulty.
11: Limit switch error (the control doesn't know the door's position). 20: Internal system fault or power surge. Installation & Safety Notes
Mains Disconnect: Always switch off the main power before opening the control box to avoid high-voltage shock.
Cable Routing: Ensure low-voltage control cables (sensors) are routed separately from high-voltage power lines to prevent interference.
End Limits: The A445 typically uses electronic limit switches (AWG). If you replace an operator, you must re-learn the "Open" and "Close" positions in the programming menu.
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.
When the call came from his neighbor, Marta, Jonas walked across the slick sidewalk, the A445 tucked under his arm like a loyal companion. Marta stood in her driveway, sleeves rolled up, worry etched in the lines of her face. Her opener had stopped responding — the light blinked, the motor hummed, but the door refused to budge. She frowned at the stubborn mechanism, feeling suddenly powerless.
Jonas set the A445 on her workbench and studied it. He traced the wiring with a practiced eye, noting the tiny scuffs and a faint scorch mark near the terminal block. He opened the manual in his head — the model’s quirks and tolerances catalogued by countless afternoons spent fixing neighbors' small emergencies. There was a patience that came with this work, a steady confidence that parts could be understood and coaxed back into harmony.
“Let’s take it step by step,” he said. He adjusted the limit switches, listening for the subtle change in resistance as the gear train aligned. He replaced a tired capacitor with one from his spare box and tightened a loose screw hidden under the control board. Marta watched, grateful and a little awed, as his hands moved with the certainty of someone who had spent a lifetime translating metal and electricity into motion.
A beep, a flash of the LED, then the soft whir that meant life again. The garage door rose smoothly, the same elegant arc Jonas had loved since day one. Marta clapped her hands, laughter spilling through the driveway like bright sunlight. She offered him a cup of tea as thanks, but Jonas just smiled and shook his head. The real reward, he said, was knowing the A445 would be there for her now — another chapter in its quiet service.
As they sat under the awning, rain pattering around them, Marta asked about the manual — the little booklet she’d found folded in the opener’s box when she moved in. Jonas explained the essentials: the safety features that stop the door if something blocks its path, the travel limits that prevent overrun, the routine checks to keep springs and cables in balance. He spoke not like a dry instructor but like a storyteller, weaving in small, practical tips: test the reversing mechanism monthly, keep the tracks clear, replace frayed cables promptly.
“That old manual saved me once,” he said, tapping the opener gently. “But knowing what to listen for — the sounds, the hesitations — that’s the real guide.” Marta nodded, comforted and newly attentive to the machine at the heart of her home.
When Jonas left, the rain had softened to a mist. The A445 went back to its steady duties, carrying on with the quiet reliability that had defined it through winters and moves and small repairs. For Marta, the manual was no longer just a sheet of instructions — it was an introduction to stewardship. For Jonas, every fix was a small affirmation: that things designed well, tended well, keep opening possibilities, again and again.
Outside, the streetlights blinked awake, and the garage door descended with a smooth, final thud. The A445 hummed on, a modest, steadfast presence in the night — a machine and a memory, both functioning exactly as they were meant to. Hörmann A445 — A Short Story The rain
The Hörmann A445 (and its variant B445) is an industrial door control unit typically used with shaft operators like the WA 400, WA 400 M, or ITO 400. It is a professional-grade system designed for heavy-duty sectional doors or rolling grilles. Core Features
Power Supply: Requires a 3-phase supply (400V/3Ph/N/Pe) with a maximum power consumption of approximately 4350W.
Interface: Features a 2-digit 7-segment display on the housing for easy programming and error code reading.
Protection: Housed in an IP 65-rated casing, making it highly resistant to dust and water.
Connectivity: Supports connections for photocells, wicket door sensors, pulse buttons, and traffic lights (via optional expansion modules). Programming Overview
The A445 uses an electronic encoder via CAN bus to set travel limits. A general programming sequence for shutter doors typically involves:
Enter Programming Mode: Long-press the program button until the display shows 0 0.
Set Limits: Select the appropriate menu (e.g., 01) and use the up/down buttons to position the door at its upper and lower limits.
Confirm and Test: Navigate through status menus (like 02 or 05) to verify the set positions automatically.
Save: Long-press the button until a confirmation symbol (like a 1 with a lower dash) appears to lock in settings. Manual & Smart Upgrades
Official Manuals: You can find comprehensive fitting and operating instructions on platforms like Scribd or through local suppliers.
Smart Integration: The unit can be modernized using accessories like the Remootio or ismartgate, which add Wi-Fi/Bluetooth control, smartphone notifications, and voice assistant compatibility.
Emergency Operation: In case of power failure, the doors can typically be released manually via an emergency release string or handle. Hörmann A445 Instruction manual - Remootio
This is the most common "panic" moment. If the door opens but won't close, and the light on the motor is flashing, it’s usually a safety sensor issue.
The Hörmann A445 is a high-quality, maintenance-free tubular motor drive designed specifically for sectional garage doors. Known for its quiet operation and integrated soft-start/soft-stop technology, the A445 is a staple in European garage automation.
This guide covers the essential technical data, installation steps, programming of the internal shuttle, and troubleshooting for the ProMatic series logic.
The A445 utilizes an analog potentiometer system for force and limit settings. Unlike modern digital drives, this requires manual tuning.
The Control Panel Layout:
Setting the Force (Force Adjustment):
Setting the End Limits (Travel Distance): Note: On earlier models, limits are set via screws on the motor shaft or limit spool. On later ProMatic versions, they may be set via the 'Open' and 'Close' buttons on the board.
If the A445 is opening too far (pulling the door off the tracks) or not closing fully, you need to adjust the limit switches. The manual is very clear: set the force first, then the limits.