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Tuya WiFi Switch Module-L without N (mk-wd2-002_V1.2) - no voltage on L1, what to check?

kover 555 0
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  • Check the capacitor and output switching circuit

    #1 21415289
    kover
    Level 11  
    Posts: 27
    Good morning.

    A smart home beginner is asking for advice.

    The Tuya Wi-Fi Switch Module-L without N (mk-wd2-002_V1.2) has stopped working.
    There’s no voltage at the L1 output; I’m not sure at the moment whether it’s the attached capacitor that’s failed or if there’s something wrong with the circuit itself.
    What can I check, and how?

    Best regards.
    Tuya WiFi switch module with visible electronic components.
    Tuya wifi switch module with visible components and wires.
    1CH Wi-Fi Switch Module-L with technical specifications.
    Disassembled Tuya Wi-Fi switch module without N, showing wires and capacitors.
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