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Clicking Sound when Switching on the Kasa Smart Switch

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Clicking Sound when Switching on the Kasa Smart Switch

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
Clicking Sound when Switching on the Kasa Smart Switch
Clicking Sound when Switching on the Kasa Smart Switch
2021-06-25 00:39:07 - last edited 2021-07-01 02:46:36
Model: HS200  
Hardware Version:
Firmware Version:

Hi, I recently installed the Smart Switch (HS200) and it works fine. However, while switching on/off with the App or Google Voice, there is a clicking sound. The light continues to work as normal, without any issues. Is that clilcking sound a source of concern or is it common? Thanks.

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Re:Clicking Sound when Switching on the Kasa Smart Switch-Solution
2021-06-25 12:14:56 - last edited 2021-07-01 02:46:36
It's normal, the clicking is an internal relay that connects/disconnects the switch's line in wire to the load out wire.
AutomationManager: Secure home automation without relying on cloud servers.
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Re:Clicking Sound when Switching on the Kasa Smart Switch-Solution
2021-06-25 12:14:56 - last edited 2021-07-01 02:46:36
It's normal, the clicking is an internal relay that connects/disconnects the switch's line in wire to the load out wire.
AutomationManager: Secure home automation without relying on cloud servers.
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Re:Clicking Sound when Switching on the Kasa Smart Switch
2021-06-29 04:17:36

@MikeP Thank you. Weirdly the Dimmer does not have this sound. It is just the Switch that seems to do it.

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Re:Clicking Sound when Switching on the Kasa Smart Switch
2021-06-29 11:12:29
Right, dimmers need to be solid state because they vary the output voltage. Only switches can use an inexpensive on/off relay.
AutomationManager: Secure home automation without relying on cloud servers.
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