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I'd like to share a solution to a persistent problem I've been having with BrelMotor roller shutters controlled via RFLink in Home Assistant. I hope this helps others facing the same issue.
The Problem:
My BrelMotor covers were not responding to commands sent from Home Assistant, even though:
They were correctly paired with the RFLink gateway.
Controlling them directly from RFLinkLoader worked perfectly.
Home Assistant logs showed that commands were being sent and acknowledged (OK;) by the RFLink gateway.
The Discovery:
After extensive debugging, I discovered a critical difference in the command format.
The command that works in RFLinkLoader requires the SWITCH= prefix:
10;BrelMotor;fa6d5e;SWITCH=05;UP;
However, the Home Assistant RFLink integration, by default, sends a "shorthand" version of the command, without the SWITCH= prefix:
10;BrelMotor;fa6d5e;05;UP;
This second command format was simply ignored by my BrelMotor roller shutters.

The Solution / Workaround:
The solution is to "trick" the Home Assistant RFLink integration into building the correct command string by modifying the device_id in configuration.yaml.
By including SWITCH= as part of the device's switch identifier, you can force the integration to generate the correct payload.
Here is the working configuration for a cover in configuration.yaml:

configuration.yaml

cover:

• platform: rflink
  devices:
  //The key is to include "SWITCH=" before the channel number.
  BrelMotor_fa6d5e_SWITCH=05:
  name: Living Room Shutter

With this configuration, Home Assistant correctly generates the command 10;BrelMotor;fa6d5e;SWITCH=05;UP; and the roller shutters work perfectly.
This seems to be a specific requirement for some BrelMotor devices (or perhaps certain RFLink firmware versions when interacting with them). Adding this information to the documentation or considering this format as a standard for the BrelMotor protocol within the integration could prevent a lot of user frustration.
I hope this information is useful

URL

https://www.home-assistant.io/integrations/cover.template/

Version

2025.6.0

Additional information

No response