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    LED bulbs

    2856S module will turn on lamp with LED bulb but when off, bulb flashes slowly. I have many 2476 and 2477 controlling exterior lights - all with LED bulbs and no problem. What do I do?

    #2
    That’s a discontinued product, about 10 years old now, that was designed for use with incandescent bulbs, not energy-efficient LEDs. The local control option (where you can flip the lamp’s built-in switch off then on to turn on the module) sends a very low current to the load when off, and that’s enough to cause the effect in small LED loads that you are seeing.

    The solution is going to be to use an incandescent bulb, a larger, dimmable load, or a newer module.

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      #3
      The 2476, 2876 and 2477 SwitchLinc switches don't have Local Control Sensing. The 2456S, 2456D, 2856S and 2856D have Local Control Sensing. It is your problem with the LED bulbs.

      As a test. Put a cube tap on the 2856S's output. Add a 7 watt incandescent night light along with the LED bulb load.
      The 7 watt night light maybe enough to load down the Local Control Sensing current and if it is a later hardware revision current through the Snubber Network across the internal relays contacts.
      Another choice would be test different brand LED bulbs. Some are more sensitive to the sensing voltages.
      The latest Insteon On/Off module would be another option.
      Last edited by BLH; 11-18-2019, 06:02 AM.

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        #4
        [QUOTE=BLH;n109940]The 2476, 2876 and 2477 SwitchLinc switches don't have Local Control Sensing. The 2456S, 2456D, 2856S and 2856D have Local Control Sensing. It is your problem with the LED bulbs..[/QUOTE]

        I have a [B]2457D2 LampLinc Dimmer [/B]module. Do you happen to know if this is compatible with small LED dimmer bulbs?

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