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Showing content from https://github.com/crankyoldgit/IRremoteESP8266/issues/1376 below:

Fujitsu AR-RAHxx setSwing freezes the AC unit · Issue #1376 · crankyoldgit/IRremoteESP8266 · GitHub

Version/revision of the library used

2.7.2 and 2.7.13

Describe the bug

Fujitsu AC wall unit with remote AR-RAH1U (similar to AR-RAH2E but doesn't have horizontal swing support). I've been able to get the tilt to be changed from ESP, but when trying to set the swing mode to ON (kFujitsuAcSwingVert), the AC receives the command and freezes, it will continue to operate as previously set, but not able to receive further commands either from original remote or from ESP.

Note that all other functions (setTemp, setMode, setFan, On/Off) functions works properly until I try to setSwing(kFujitsuAcSwingVert), then nothing works anymore

To Reproduce

It happens each and every time I try to send the swing mode command, also, tried a ac.toggleSwingVert(true) and got the same issue.

Example code used

if (state)
  ac.setSwing(kFujitsuAcSwingVert);
else
  ac.setSwing(kFujitsuAcSwingOff);

Also tried both of those:

ac.toggleSwingVert(true);
//ac.toggleSwingVert(false);

Expected behaviour

Expecting the AC unit to switch to swing mode as it does with the original remote (it works fine with the remote)

Output of raw data from IRrecvDumpV2.ino or V3 (if applicable)

Include some serial text of the raw dumps of what the device saw.

Note: Output from Tasmota is not acceptable. We can't easily use their raw format.

I don't have any IR receiver on hand, I only bought IR leds :(

What brand/model IR demodulator are you using?

None, I simply plugged the IR LED through a transistor/resistor to GPIO4 on ESP8266-07, and pointed it toward the AC unit

Circuit diagram and hardware used (if applicable)

I simply plugged the IR LED through a transistor/resistor to GPIO4 on ESP8266-07, and pointed it toward the AC unit

I have followed the steps in the Troubleshooting Guide & read the FAQ

Yes

Has this library/code previously worked as expected for you?

Yes, but never the setSwing function. Tried with 2.7.2, and just updated to 2.7.13 to test, and issue is the same.

Other useful information

I believe that maybe the setSwing function send the wrong IR code? It completely freeze the AC unit and all I can do is to turn off the breaker and put it back on, then everything goes back to working state until I retry setSwing.

I realize that I'll need to get a IR receiver and test what the remote is sending, probably just a wrong constant, but I'm sending this issue in in order for others who could have this issue to chime in...

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