Koenkk / Koenkk/zigbee2mqtt

ZBM5 No-Neutral Device Cannot Receive Group Broadcasts Using Address 0xFFFD

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problem
Dominant language
TypeScript
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Description

What happened?

I have a SONOFF ZBM5 device operating in no-neutral mode. The device can be successfully added to a Zigbee group through Zigbee2MQTT (Z2M). However, when a group control command is sent to the group, the ZBM5 does not receive to the command correctly.

What did you expect to happen?

No response

How to reproduce it (minimal and precise)
  1. Add the ZBM5 device operating in no-neutral mode to a Zigbee group.
  2. Send a control command to the Zigbee group.
  3. Observe that the ZBM5 device does not respond to the group command.
Zigbee2MQTT version

2.10.1

Adapter firmware version

8.0.2

Adapter

ember (Dongle-M)

Setup

windows

Device database.db entry

No response

Debug log

No response

Notes

No response

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

No source file or test is identified in the report. Start by reproducing the group command with a ZBM5 in no-neutral mode on Zigbee2MQTT 2.10.1, then inspect the device database entry and collect debug logs; done means the device receives and responds to broadcasts sent to the group.

Written by the indexing model from the issue text.

Assessment

Tech stack
typescript
Domain
embedded-iot
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
38/100

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