What does it mean when the WLAN lamp blinks slowly on my Sharp FP-J80TA?
- TTimothy AdamsSep 2, 2025
The wireless LAN connection of the air purifier and a router is in setup, or the connection of the air purifier and a smartphone is in setup.

What does it mean when the WLAN lamp blinks slowly on my Sharp FP-J80TA?
The wireless LAN connection of the air purifier and a router is in setup, or the connection of the air purifier and a smartphone is in setup.
How to fix wireless LAN connection issues on Sharp Air Cleaner?
Check the router in use. Adjust the router and antenna direction, or move the router and antenna closer. After adjusting, turn the router off and on again, then perform the initial settings again.
What does it mean when the WLAN lamp is off on my Sharp FP-J80TA Air Cleaner?
Please confirm the Wireless LAN network status from "Wireless LAN network status". Also, check if the electric plug of the air purifier has come out of its power socket, or if the wireless LAN function has been stopped.
What to do when changing the smartphone for Sharp Air Cleaner?
Delete the registration of the old smartphone from the designated application. Then, use the new smartphone to perform "Initial connection settings 1 : Installation of the application", and "Initial connection settings 3 : Connection between the air purifier and a smartphone".
Why the connection between the Sharp FP-J80TA and my smartphone cannot be established?
Make sure you have set up the wireless LAN connection on your smartphone. Ensure that the air purifier and your smartphone are connected to the same router. Note that the maximum number of smartphones that can be registered on one air purifier is 5, and the maximum number of products to be registered with one smartphone is 10.
What to do when changing the router for Sharp FP-J80TA?
You need to reconnect the air purifier to the router. To do this, first, hold down the "WLAN" button for 3 seconds to stop the wireless LAN function. Then, perform the "Initial Connection Settings 2 : Connection of the air purifier and a router".
How to eliminate persistent odor and smoke from my Sharp Air Cleaner?
If odor and smoke persist when using your Sharp Air Cleaner, check the filters. If the filters appear extremely dirty, clean or replace them.
| Brand | Sharp |
|---|---|
| Model | FP-J80TA |
| Category | Air Cleaner |
| Language | English |
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