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LED lamp with Meko and Tuya TYWE3L module does not respond to remote control. What to do?

jakoku 273 13
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  • #1 21429202
    jakoku
    Level 11  
    Led lamp - with Meko LED Driver module MKP060C1450BLTG-1.
    The lamp has stopped responding to the remote control.
    Inside the module ł Tuya TYWE3L .

    LED driver module with electronic components and Tuya TYWE3L module. .
    Nameplate of LED lamp with technical data.
    Meko MKP060C1450BLTG-1 LED driver module on a wooden surface. .
    Tuya TYWE3L module on a green circuit board. .

    Added after 43 [minutes]:

    The lamp works. Lights. Since the remote control malfunctioned it has been able to start in sequence off - on, off - on.
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  • #2 21430251
    p.kaczmarek2
    Moderator Smart Home
    With the Tuya app still working?

    No swollen capacitors?
    How do I fix a smart device that crunches, squeaks and makes strange noises?
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  • #3 21430527
    jakoku
    Level 11  
    It has stopped working.

    Added after 4 [minutes]:

    The application does not see the lamp.
    No damage was visible.
  • #4 21430566
    p.kaczmarek2
    Moderator Smart Home
    Is it not possible to enter pairing mode?
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  • #5 21430603
    jakoku
    Level 11  
    Absolutely nothing.
  • #6 21430614
    p.kaczmarek2
    Moderator Smart Home
    The first thing I would start with is to disconnect the whole thing from the 230V mains and supply power (AFTER DISCONNECTING FROM THE NETWORK) from a good source of 3.3V to the GND and VDD pins from TYWE3L. This 3.3V must be able to provide adequate current, so do not take it e.g. the output of a USB to UART converter.
    Diagram of TYWE3L ESP8266 module with pin labels. .
    If the hardware then appears in the application, you can suspect that there is something wrong with the power supply. In the opposite situation, the WiFi module itself is to blame, maybe something software is broken.

    The TYWE3L is simply an ESP8266, so you can simply connect a USB to UART converter to it, connect GPIO0 to ground and read the flash. Make a copy of the 2MB batch and try uploading Tasmota, maybe with Tasmota this flash will work. It's hard to determine what's at fault for now. Of course Tasmota is not Tuya, but at least you will revive the hardware....
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  • #7 21430743
    jakoku
    Level 11  
    Thanks. Always something...
  • #8 21430753
    p.kaczmarek2
    Moderator Smart Home
    And what kind of remote control did you have for that lamp there? I don't see an IR receiver on the board so I wonder if Tasmota will support it.

    If the WiFi module is quite damaged, you could solder a matching ESP12 in its place.
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  • #11 21449057
    p.kaczmarek2
    Moderator Smart Home
    What exactly are you asking?

    Then dismantle the power supply and check the board, maybe it's something trivial, an electrolytic capacitor?
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  • #12 21450487
    jakoku
    Level 11  
    >>21449057 .
    I buy, remove the lamp, replace the power supply, fit the lamp in place :) .
    The worst thing about such failures is that the lamp has to hang and shine.... well it won't lie on the desk ;)
  • #13 21475677
    jakoku
    Level 11  
    unfortunately, repairing this device is definitely a bit more ... soldering the esp12 module requires some pretty amazing skills



    and this "tyw3el" crap cannot be checked with a USB converter
  • #14 21475719
    p.kaczmarek2
    Moderator Smart Home
    What do you want to check? How do you want to desolder it?

    You can either hot air, and if someone insists, they can even desolder it that way:


    .
    Only lift when the binder has melted, otherwise the pads will come off! No force can be used. .
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Topic summary

A LED lamp equipped with a Meko LED Driver module MKP060C1450BLTG-1 and a Tuya TYWE3L WiFi module stopped responding to its remote control and became unresponsive to the Tuya app, which no longer detects the device. The lamp still powers on and cycles on/off manually but does not enter pairing mode or respond to any commands. No visible hardware damage or swollen capacitors were found. Suggested troubleshooting steps include disconnecting the lamp from mains and powering the TYWE3L module directly with a stable 3.3V supply to verify power supply issues. The TYWE3L module, based on the ESP8266 chip, can be interfaced via USB to UART for firmware backup or replacement with alternative firmware such as Tasmota, although compatibility with the original remote control is uncertain due to lack of an IR receiver. If the WiFi module is damaged, replacing it with an ESP12 module is an option, but requires advanced soldering skills. The power supply unit, possibly a Bluetooth LED power supply (30W, 400-750mA DC), is suspected to be faulty and may need replacement. Desoldering the TYWE3L module must be done carefully with hot air to avoid damaging PCB pads.
Summary generated by the language model.
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