warning TP Link

Error Code Solid red signal LED

The extender is experiencing poor signal strength and needs to be relocated closer to the router.

? What Causes This

Weak wireless signal between extender and host router, possibly due to interference or distance.

How to Fix It

Move the extender closer to your house's central router for better coverage. Ensure no large obstructions or electronic devices are near.

Source: page 7 of the official manual

From the manual

Manual page 7 — TP Link error Solid red signal LED

This error code appears in:

TP Link Re220 Range Extender