Cannot use the Tapo/Kasa app to control my smart devices
102748 If you have finished the configuration on the Tapo/Kasa app, but you are unable to control the smart device through the app, please refer to the following steps to troubleshoot.
Case 1. Cannot use the Tapo/Kasa app to control my smart devices in the local network
Step 1. Check the LED status on the smart device as per User Guide. If the LED status shows the device is not working properly, please reset the device and re-configure it.
Step 2. If the smart device was working fine before, confirm if there are any changes in the router or the network environment.
Step 3. Go to the “Device Settings” page on the Tapo/ Kasa app to check the signal strength of the Tapo/ Kasa device.
If the signal strength is ranging from -70dBm to -40dBm, it means the smart device has a good signal from the router.
If the signal strength is less than -70dBm, it means the signal strength from the router is too weak. In this case, please move the smart device closer to your router for a try.
Step 4. To upgrade the smart device to the latest firmware, you may refer to the instructions:
On the Kasa app: How to update firmware of Kasa smart devices
On the Tapo app: How to update the firmware of the Tapo&Kasa devices on the Tapo App?
If there is no available update, please check and inform us of the current firmware version (click here).
Case 2. Cannot use the Tapo/Kasa app to control my smart devices remotely
Step 1. Make sure you can control the smart device in the local network. If you are unable to control the smart device in the local network, please refer to Case 1 to troubleshoot.
Step 2. To upgrade the smart device to the latest firmware, you may refer to the instructions:
On the Kasa app: How to update firmware of Kasa smart devices
On the Tapo app: How to update the firmware of the Tapo&Kasa devices on the Tapo App?
Step 3. Try to change the DNS server to 8.8.8.8 on your home modem/router.
Step 4. Ensure the router is working properly. You can connect your phone or laptop to the Wi-Fi network of your router, then check if the device has internet access.
Step 5. Try to disable firewall settings if there is one on your home router, then reboot the router.
Case 3. Cannot control the smart devices through the physical button
If you cannot control your smart device through the physical button, it may be a wiring issue or the device may be defective.
For smart switches, please check the following installation instruction to check the wiring.
[For HS200]
Setup Video:HS200 setup video
FAQ: How to install HS200 to your electrical line?
[For HS210]
Setup Video: How to install the Kasa 3-way Light Switch Kit
FAQ: HS210 Installation FAQ Content
[For HS220]
Setup Video: How to install the Kasa Smart light switch dimmer
[For KS230 KIT]
Setup Video: Installing and Setting Up the Kasa KS230 3-Way Dimmer Switch
FAQ: How to Install My Kasa Smart 3-Way Dimmer Switches (KS230 KIT)
If the above tips are not working, please contact TP-Link support.
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