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WREM2 transmit appears incompatible with a real Argo Ulisse Eco (WREM2-V1) – original hardware available for validation #2283

Description

@gittjoel

Hello,

first of all, thank you very much for maintaining this excellent library.

I'm not a developer. I'm simply a Tasmota user trying to integrate my original Argo Ulisse Eco into my home automation.

Before opening this issue I spent quite some time trying to isolate the problem and eliminate configuration or hardware issues. While doing so I noticed a few things that might help improve the WREM2 implementation.

Hardware

Air conditioner:

  • Argo Ulisse Eco

Original remote:

  • WREM2-V1

IR transmitter:

  • M5Stack ATOM IR (ESP32)

Firmware:

  • Tasmota 15.5.0.2 (3725d6e-ir)

Receiving

Receiving works correctly.

The original remote is decoded as:

Protocol: ARGO
Model: WREM2
Data: 0xACF5C064

Sending

Tasmota accepts IRHVAC commands without errors.

The IR LED is transmitting correctly (verified using an IR camera).

However, the air conditioner completely ignores every transmitted command.

There is:

  • no beep
  • no LED indication
  • no state change

Already verified

✔ Original remote works

✔ IR receiver works

✔ Decoder correctly identifies WREM2

✔ IR LED transmits

✔ GPIO configuration verified

✔ MQTT verified

✔ Different IRHVAC commands tested

✔ Timing appears correct

Source code observations

While reading the source code I noticed that WREM2 is currently marked as:

"BETA / Probably works"

I also noticed the comment regarding:

sendFooter = false

and

"UNKNOWN for WREM2. Consider using sendFooter=true."

In addition, I noticed the documentation mentioning that no real WREM2 captures were available during development and asking owners of such hardware to get in touch.

That is exactly why I decided to open this issue.

My offer

I own:

  • the original Argo Ulisse Eco
  • the original WREM2-V1 remote

Although I'm not a developer, I'm happy to help.

I can:

  • capture additional IR signals
  • perform requested tests
  • test experimental firmware
  • quickly report the results

If this helps validating or improving the WREM2 implementation, I'd be very happy to assist.

Thank you very much for your work on this excellent project.

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