Brand: ABB
Category: Smart Home
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for M2231
Uploaded: April 20, 2026, 7:46 p.m.
Manual Publish Date: 2020-10-16
Warranty Information
ABB accepts no responsibility for possible errors or incompleteness in this document.
Incoming Call: Press the communication button (1) to answer. Press again to end. Press the mute button (4) to silence incoming ringtone or mute the microphone during conversation. Press the lock release button (2) for the default lock. Press the surveillance button (3) to initiate surveillance, hold to take a snapshot. The program button (5) can be assigned functions (see Ch. 8.4). Press the screen brightness/volume button (6) to enable full screen or hold to adjust brightness and volume. The display shows call duration and ID (7, 8).
Display and Volume Settings: During an incoming call, hold the button (6) for 3 seconds. Use '+' or '-' to adjust volume (1), saturation (3), and brightness (4). The current values are displayed (2).
Intercom: Access operation screen via button (9.2). Select intercom from list and press "√" to initiate call.
Call Guard Unit: Access operation screen via button (9.3). Select "Call Guard Unit" and press "√".
Broadcast: Access operation screen via button (9.4). Long-press "√" for 3 seconds to initiate broadcast.
Control Switch Actuator: Access operation screen via button (9.5). Select "Actuator", then the desired actuator, and press "√" to release.
Troubleshooting and error codes
| Error/Problem | Possible Cause | Solution |
|---|---|---|
| No display | Power supply faulty | Check power supply connection. |
| No audio | Wiring faulty / Device faulty | Check wiring. Replace device if faulty. |
| Cannot connect | Incorrect settings / Device faulty | Check system settings. Replace device if faulty. |