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ABB

ABB Terra AC-W22-T-0

Air Conditioners and Heaters · Climate

Works

1 report: 1 says it works.

Reported with 1 integration: Open Charge Point Protocol (OCPP).

What people report

IntegrationIn Home AssistantIn Apple HomeWhat they saidSource
Open Charge Point Protocol (OCPP)WorksBootloop on firmware 1.8.21 with OCPP 0.5.8; fixed after report
Saved copy
Describe the bug ABB Terra AC-W22-T-0 (listed as supported) keeps booting with these notifications showing up. Controls are avaliable for a few seconds, until it reboots again. Screenshots Versions etc. OCPP v0.5.8 HA 2024.8.1 Charger firmware: V1.8.21 (Newest) Debug logging from HA (Not really sure if I'm including enough?) Traceback (most recent call last): File "/usr/local/lib/python3.12/site-packages/websockets/legacy/protocol.py", line 963, in transfer_data message = await self.read_message() ^^^^^^^^^^^^^^^^^^^^^^^^^ File …

Excerpt saved from GitHub on 2026-10-23.

Issue #1275 · 2024-08

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

BrandABB
ModelTerra AC-W22-T-0
CategoryAir Conditioners and Heaters