6 Common Kasa Smart Light Switch Problems (Troubleshooting) - DIY Smart Home Hub (2023)

6 Common Kasa Smart Light Switch Problems (Troubleshooting) - DIY Smart Home Hub (1)

Aside from all the convenience they bring to our lives, one of the reasons why you should buy smart devices is efficiency.

Nevertheless, compared to conventional switches,Smart switches can be a bit pricey, they save us more money in the long run.

Plus, you have better control over the lights. So try to think long term and go for some better known brands like Kasa.

They may not be the best, but they will certainly help you develop a well-rounded lighting system in your home.

The Kasa Smart Light Switch can be programmed to turn on or off through the mobile app. you can alsoConnect them to Alexafor voice commands.

So, you don't have to worry about the little issues of integrating these light switches into your existing system.

Although Kasa products are very reliable, you may still run into some common Kasa smart light switch issues.Let's take a look at some of these problems and a quick way to fix them.

  1. light is not on

One of the most common problems you'll encounter after setting up your Kasa Smart Light Switch is that the lights won't turn on. This is usually caused by incorrect client wiring configuration.

6 Common Kasa Smart Light Switch Problems (Troubleshooting) - DIY Smart Home Hub (2)

Most of the time, this happens wheninstall by yourselfprocess because most of Kasa's customers don't know how to configure a light switch.

You can fix this by restarting the process or hiring a trained professional to help you. If you want to save time, hiring a professional may be a better option.

It will do the trick for you, all you have to do ispay a little setup fee, depending on where you live.

(Video) Smart Switch Won't Connect To Wifi: 3 WAYS TO FIX

If you want to configure the light switch yourself, you can follow the owner's manual step by step and make sure you follow all instructions as they are.

You can also find some tutorials on YouTube to get a better understanding of how wiring works. Once the switch is properly connected, your light will turn on without any problems.

Of course, unlessthey are damaged, or there is a problem with your outlet.

  1. Not connected to Wi-Fi

Another very common problem with Kasa smart switches is that users cannot connect them to Wi-Fi. This can happen for a number of reasons, including a malfunctioning router or incorrect credentials.

First, you need to check your router's bandwidth. In most cases, users are unaware that their smart devices cannot connect toBandwidth greater than 2.4 GHz.

So make sure to check in your admin control panel that your Wi-Fi channel is set to 2.4GHz and not 5.0GHz.

6 Common Kasa Smart Light Switch Problems (Troubleshooting) - DIY Smart Home Hub (3)

If the problem persists, do a quick router reboot and double-check the credentials you've entered into your smart device.

Be sure to check your Wi-Fi password for capital letters or special characters.

Physically moving the router closer to your smart device may also do the trick for you.

why moveA router closer to the switch will improve signal strength, it will be easier for your smart device to connect to your home network.

  1. Problems with the Kasa Smart App

Many users have reported issues pairing their light switches with the Kasa Smart App. It could be a small bug in the Kasa Smart app, or there could be a problem with the light switch.

(Video) How to Re Pair a GE Smart Light Switch to a new hub by Samsung SmartThings

Below are some possible fixes that might resolve this issue.

After removing the Kasa device from your application,Enter your phone settingsswipe down andClick on the settings icon.

6 Common Kasa Smart Light Switch Problems (Troubleshooting) - DIY Smart Home Hub (4)

Then navigate to App Settings and go to Kasa Smart App and click on it. After that you can clear all app data from app storage settings.

When you're done,Start your Kasa Smart AppAnd try pairing your Kasa smart device after a quick reboot and your issue will most likely be resolved.

If you run into any other issues not mentioned here, your best bet is to contact the Kasa support team. They will guide you step by step on how to solve any problem you face.

So open a support ticket or send an email for professional help. If your device is faulty, you can also request a replacement if the warranty is still in place.

  1. Alexa skill not working

Alexa integration is one of the most important elements of this smart system. However, there have been complaints that the Alexa functionality is not working properly. Now, there could be various reasons behind this error.

So you have to narrow down the problem to the smart assistant settings.

Most of the time, you can resolve this issueDelete the skill and add it againagain. So open the Alexa app and delete the smart skill linked to the Kasa light switch.

From there, make sure your apps are up to date and log back into your account.

Fortunately, you don't have to deal with the same mistakes once the skill is added to the smart unit. Sometimes you also need to check the voice commands of the smart skill.

(Video) How to Install a Smart Light Switch | TP-Link HS200 Smart Wi-Fi Light Switch Review and Setup | DIY

If you haven't isolated the problem, make sure youUpdate voice commandsConfirm and approach the Alexa unit.

This way, you don't have to deal with any detection issues, and voice commands will be registered correctly.

If implementing this fixes your problem, then you'll be sure that the problem is more related to voice command detection.

So you'll have to find a better spot in the room to get the most out of this device. Otherwise, you'll continue to face the same issues with your smart home setup.

  1. interference problem

Interference issues with drives are also common. If you have too many wireless devices in your smart home, then you have the same problem.

Therefore, to isolate these errors, it is necessary to limit the interference of other smart options.

otherwise you will have toFind network extensions or remove these devicesfrom the web. From there, you can double check your smart drive's response.

If removing these devices resolves the issue, you'll need to update your router.

6 Common Kasa Smart Light Switch Problems (Troubleshooting) - DIY Smart Home Hub (5)

Unfortunately, some of the mostEstablished brands like Asus can be expensive.However, you can never deny the great performance of these devices.

So if you're not dealing with the budget, upgrade from ASUS. This router will help stabilize your system for years to come.

On the other hand, if you have multiple routers in your home or don't use old accessories, just remove those extra devices. Ideally, this would be when you're dealing with interference from Kasa light switches.

(Video) How to Troubleshoot a Smart Switch

  1. hardware problem

Finally, you may also have to deal with hardware issues, as these light switches can get damaged in transit. However,You are not responsible for any delivery damage..

Therefore, it is important to carefully inspect the unit for cracks and damaged parts.

If you find a crack in this system, the best course of action is to file a warranty claim. Contact a customer support specialist who will assist you in obtaining new parts.

If you don't damage the device yourself, you don't have to worry about spending more money.

6 Common Kasa Smart Light Switch Problems (Troubleshooting) - DIY Smart Home Hub (6)

That is, it is alwaysBetter be careful when installingThese light switches. When the light switch is in good condition, you don't have to worry too much.

Therefore, it is important to take good care of the device and not install it in difficult conditions.

Even the best appliances can fail if you don't install them properly or fail to maintain them.

So instead of blaming the brand every time, consider the circumstances of the installation and maintenance. This will give you a better understanding of the problem at hand.


These are some of the most common problems that many homeowners complain about. Now, studying these details will help you avoid and fix most problems. You don't need to call a specialist unless your equipment is malfunctioning.

All of these issues can be annoying, but that doesn't mean Kasa equipment is unreliable.

(Video) No Neutral Smart Light Switch - Unboxing and Fitting

You just have to pay attention to installing them, when it comes to minor mistakes.Fortunately, you don't have to deal with any of the complications of new equipment!


6 Common Kasa Smart Light Switch Problems (Troubleshooting) - DIY Smart Home Hub? ›

You should check if your Kasa light switch is stuck on or off should be to update the firmware on the switch as well as the smart apps you use to control the light. The next step is to make sure it has a strong Wi-Fi connection, and then double check the wiring to make sure the light switch is connected properly.

Why is my Kasa smart light switch not working? ›

You should check if your Kasa light switch is stuck on or off should be to update the firmware on the switch as well as the smart apps you use to control the light. The next step is to make sure it has a strong Wi-Fi connection, and then double check the wiring to make sure the light switch is connected properly.

Why is my Kasa smart switch not connecting? ›

Change the wireless channel to 1, 6, or 11 and channel width to 20MHz of the router and configure the smart device again. If still can not connect to the wifi network, you may try to turn off the 5G on your wifi router to have a try.

Why is my smart light switch not working? ›

Oftentimes, a smart switch will stop working due to incompatible Wi-Fi. Many newer routers use a 5GHz signal by default, which means some older 2.4GHz switches will not connect after a router upgrade. In this case, you either have to switch off 5GHz or replace older 2.4GHz switches.

How to fix Kasa smart switch? ›

Press and hold the reset button for 5 seconds or until the Wi-Fi LED blinks amber and green to initiate the app-config process. To reset the smart switch/plug to factory defaults: Press and hold the reset button until the Wi-Fi LED blinks amber rapidly (about 10 seconds) to reset the Smart switch to factory defaults.

Why did all my Kasa devices stop working? ›

The first thing you should check is to make sure that all of your Kasa devices are on the same Wi-Fi network as your smartphone. After that, you can factory reset the devices, uninstall and reinstall the Kasa app, and even check for hardware problems to make sure that your Kasa devices are working.

Why is my Kasa not connecting to Wi-Fi? ›

Unplug and re-plug the smart plug to re-discover it in your Alexa app. Alternatively, see if the device is Kasa App compatible. Alexa reports that the smart plug is unavailable. Unplug and reconnect the device—the wireless connection may have been lost at some point during the day.

Why is my smart light not connecting? ›

I am having trouble connecting my Smart Light to Wi-Fi.

Make sure the Wi-Fi network is a 2.4 GHz network. The Smart Wi-Fi Light will not connect to a 5 GHz network. If your Smart Wi-Fi Light is already on the right frequency, make sure that your phone is not using a VPN app in the background.

Why is my lighted light switch not working? ›

So the first thing to check is the breaker in your home's electrical panel. If that's not the case, you have other issues. These could include a bad light switch, a problem with the light bulb connection, loose wires in the circuit or a bad light fixture.

What causes faulty light switch? ›

Light switch issues are often caused by a broken mechanism. If there are any mechanical issues, the switch will likely need to be replaced. Signs of mechanical failure include the switch not turning on regardless of how many times you flip it.

Why does my Kasa switch keep disconnecting? ›

The Kasa smart plug, like a lot of smart devices, needs to run on a particular Wi-Fi frequency in order to function. Your Kasa smart plug is going to need to have a 2.4 GHz Wi-Fi connection in order to function. If you have a 5 GHz-only Wi-Fi network, your smart plugs will not be able to stay connected.

How do you soft reset a Kasa switch? ›

A soft reset doesn't completely erase the plug's settings. It just resets the device to a point where it can be set up again. To perform a soft reset, locate the physical reset button on the device and press and hold it for 5 seconds.

Why is my Kasa smart switch clicking on and off? ›

Your Kasa Smart Switch is making a constant clicking noise because the neutral wire is not securely attached or there's a defect inside of the light switch. You can fix this problem by shutting down the power to the switch at your breaker box and then making sure that the neutral wire was properly installed.

How do I connect my Kasa smart switch to Wi-Fi? ›

Login to the Kasa App with your cloud account.
  1. Add your Smart Plug on Kasa APP. ...
  2. Follow the instruction on the Kasa app to power on the HS100, and wait for the Wi-Fi light to blink orange and green. ...
  3. Connect your phone to the Smart Plug Wi-Fi. ...
  4. Name your smart plug.
  5. Customize an icon for this Smart Plug.
Nov 28, 2022

Why is my Kasa smart switch blinking green? ›

If the green light is blinking it means the switch has lost connection to the internet.

Why do my smart lights keep disconnecting? ›

To solve this problem, you may want to make sure that your smart lights are connected to your router's 2.4 GHz frequency. Moreover, if your router has a dual mode enabled (2.4 GHz and 5 GHz) then the frequencies must use different names.

How do I reset my Kasa lights? ›

Turn the light switch controlling the bulb to the OFF position. When resetting the bulb, please do not switch the bulb on and off too quickly, the time duration is around 1s. Press and hold the light switch controller for more than 5 seconds but no more than 10 seconds and release.

Is Kasa being discontinued? ›

Right now, it is clear that both Kasa and Tapo products will continue to work – although you might have to switch from the Kasa app to the Tapo app at some point.

What is the maximum number of devices for Kasa? ›

Control up to 3 devices individually or collectively with the Kasa Smart app.

Does Kasa work when Internet is down? ›

What is this? While the Kasa smart plug relies on the internet, it does have internal storage which means it's able to keep its basic functionality going even if it can't get connected to other devices. This means that you can rely on your TP-Link Kasa smart plug even if your internet's gone down for a few days.

Why is my TP Link device not connecting? ›

In most cases a power cycle of your router and modem can fix a lot of concerns, including issues accessing the router's management utility. If you are having access issues try to reboot your router. You can unplug/plug the power cable or press on the power button off/on to reboot your TP-Link Router.

Why is my TP Link not connecting to Wi-Fi? ›

1) Try to turn off and turn on/reboot your wireless clients to connect to the Wi-Fi. 2) Contact the support of your wireless clients. 5. Some devices don't support specified wireless settings like encryption or wireless mode.

Why are all my Kasa devices offline? ›

Reboot the router and kasa device and see if the smart device reconnects. Step2 Ensure Kasa smart device is receiving a Good Wi-Fi signal. Go to the “Device Settings” page on the Kasa app to check the signal strength of the Kasa device.

How do I get my smart lights to work? ›

How Do I Set Up a Smart Light Bulb?
  1. Plug in the hub. If your smart bulb came with a hub, plug the hub into your router.
  2. Get rid of incandescent bulbs. Remove your old bulb and screw the smart bulb into the desired light fixture.
  3. Visit the app store. ...
  4. Connect the bulb to the app. ...
  5. Name your bulbs.
Apr 6, 2023

Are there smart bulbs that work with 5ghz Wi-Fi? ›

Geeni LUX Candle Candelabra Bulb B11 E12 Base 5ghz WiFi Smart Light Bulbs, Dimmable Tunable E12 Light Bulb 40W Equivalent, Candle Bulb Chandelier Light, Works with Alexa and Hey Google, 2 Pack. This product is certified by Amazon to work with Alexa.

How do you fix a stuck switch? ›

Try a power switch reset
  1. Press and hold the Power button for 15 seconds to turn off the Switch. Ignore the Power Options screen. While the device is off, check the game card and microSD card slot for dirt or dust. ...
  2. Turn the device back on to test whether the screen is unfrozen.
Oct 4, 2022

What are signs of a bad light switch? ›

Signs It's Time To Replace Your Switch
  • Your lights don't turn on, take a minute to turn on, or flicker, and putting a new bulb in doesn't fix it. It's common that some bulbs, like the incandescent tube lights, take a minute to turn on. ...
  • The switch makes noise. ...
  • Sparks. ...
  • It's warm to the touch.

How do you know if the switch is damaged? ›

The first sign of trouble is when the switch begins to behave in a fashion that is abnormal in any way. For example, if there's an audible crackle, snap, or popping sound when you flip the lever, then it's pretty clear that your switch is defective and it's time to replace it.

What is the lifespan of a light switch? ›

Light Switch Lifespan

Generally speaking, even with significant use, light switches can last for decades and require little maintenance other than an occasional cleaning.

How do I activate my Kasa smart switch? ›

Login to the Kasa App with your cloud account.
  1. Add your Smart Plug on Kasa APP. ...
  2. Follow the instruction on the Kasa app to power on the HS100, and wait for the Wi-Fi light to blink orange and green. ...
  3. Connect your phone to the Smart Plug Wi-Fi. ...
  4. Name your smart plug.
  5. Customize an icon for this Smart Plug.
Nov 28, 2022

How do I soft reset my Kasa switch? ›

To perform a soft reset of your Kasa Smart plug, switch or outlet, follow this simple instruction: Press and hold the reset button for five seconds or until the Wi-Fi light blinks amber and green.

Why does my Kasa switch keep blinking? ›

If your Kasa smart plug is flashing an amber LED light, it means it's currently going through the factory resetting process.

How do I reconnect my Kasa smart light? ›

You need to connect Smart Bulb's Wi-Fi manually, please go to Settings->Wi-Fi on your smart phone and manually connect to smart bulb's Wi-Fi network (which named as TP-LINK_Smart Bulb_xxxx), and then go back to the Kasa APP to continue the setup process.

Why is my Kasa device unreachable? ›

If your Kasa device has an “unreachable” error, that means that the app, the device, or your Wi-Fi network or having trouble getting connected. The first thing you should check is to make sure that all of your Kasa devices are on the same Wi-Fi network as your smartphone.

How long do smart switches last? ›

Smart switches should last you a lifetime, so there's no reason to worry about purchasing a new one later. There are also many unique tools that smart switches can save you money on your electrical bill – especially during winter.

How to do a hard factory reset on switch? ›

Complete These Steps:
  1. Ensure the console is powered off. ...
  2. With the console powered off, press and hold down the volume up (+) and volume down (-) buttons, then press the POWER Button to turn the console on. ...
  3. Once in recovery mode, select “Restore Factory Settings Without Deleting Save Data".

Why did my switch need a soft reset? ›

A Soft Reset can help fix any slight software issues, such as a crashed game or unreadable cartridge. Soft Resets are generally used as a preliminary way to fix common issues. A Factory Reset can help fix more dire issues or if you want to wipe your Switch of data.

Why does my Kasa switch keep turning off? ›

To fix a Kasa device that keeps turning on and off, the first thing you should do is to update your device and the Kasa app. Next, make sure that your Wi-Fi network is strong enough to reach and support your Kasa devices. After that, check to make sure that the power outlet is connected to is working properly.

Does Kasa work without neutral wire? ›

The Kasa smart switch requires a neutral wire in order to safely and reliably work. Without a neutral wire, the Kasa smart switch might not work as intended and could even be a fire or electric shock hazard.


1. Smart Light Switch Options That Don't Require A Neutral Wire
(One Hour Smart Home)
2. How to Install a Smart WiFi Light Switch (for Amazon Alexa or Google Home)
(Geek Street)
4. Do Smart Light Switches Work Without Wifi? FAQ
(One Hour Smart Home)
5. How to Install a Smart Light Switch
(Clint Holland)
6. Smart Light Switches: I'm rethinking EVERYTHING!
(Smart Home Solver)


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