Homematic IP
Homematic IP alarm system (HCU firmware 1.79)
Lights · Lighting
WorksLocal
1 report: 1 says it works.
Reported with 1 integration: Homematic IP Local (HCU).
What people report
| Integration | In Home Assistant | In Apple Home | What they said | Source |
|---|---|---|---|---|
| Homematic IP Local (HCU) | Works Local | Arm/disarm fixed after PRESENCE/ABSENCE zone renameSaved copyDescription HmIP's 1.79 HCU firmware update introduced a new alarm system that renamed the security zone groups used by `setExtendedZonesActivation`: `INTERNAL`/`EXTERNAL` became `PRESENCE`/`ABSENCE`. Arm/disarm requests built with the old names now fail with `HTTP 400 UNKNOWN_GROUP`. This PR: - Detects which zone names the HCU currently reports in `securityZones` (`INTERNAL`/`EXTERNAL` on older firmware, `PRESENCE`/`ABSENCE` on 1.79+) and uses those for both reading and setting the alarm state, so the integration keeps working across the firmware rollout. - On 1.79+ firmware, … Excerpt saved from GitHub on 2026-10-23. | PR #418 · 2026-07 |
Each row is one report from a GitHub thread, an integration’s docs, or r/homeassistant. Check the date and the linked source before you buy.
In ReReHome
Once Home Assistant’s HomeKit Bridge shares it, this device reaches Apple Home as a HomeKit accessory behind your Home Assistant bridge, so ReReHome shows and controls it like any other.
Identifiers
| Brand | Homematic IP |
|---|---|
| Category | Lights |

