| Type | Index | Name | Dir | Description |
|---|---|---|---|---|
| Digital | 0x00 | Flags | S→E | Bit 0:Confirm Filter Changed, Bit 1:unknown |
| Digital | 0x00 | Error Flags | S←E | Bit 0:Filter Warning active, Bit 1:Fan Fault, Bit 2:Aperture Fault |
| Analog | 0x00 | Mode | S→E | Operation mode (0=off, 1=Airing phase, 2=Supply fresh air, 3=Exhaust) |
| Analog | 0x01 | Speed | S→E | Speed of the fan in % (0-100). |
Configuration Version 2:
| Offset | Value | Description |
|---|---|---|
| 8…11 | 2200 | Filter change interval in hours |
| 12…15 | 0 | Time Offset (unknown) |
| 16 | 0 | direction Index (flag for the direction of the fan?) |