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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

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Homematic IP Local (HCU)Works LocalArm/disarm fixed after PRESENCE/ABSENCE zone rename
Saved copy
Description 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

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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

BrandHomematic IP
CategoryLights