Kasa Smart Plugs and Power Strips Not Working

TP-Link Kasa smart plugs and power strips including the EP10, EP25, EP40, KP303, and HS300 offer WiFi-connected outlet control. This guide covers common connectivity and control issues.

Common Symptoms

  • Plug not responding to app commands
  • Showing offline in Kasa app
  • Voice commands not working
  • Individual outlets not controlling
  • Energy monitoring not displaying
  • Schedules not executing

Basic Troubleshooting

1. Check Physical Status

  • Verify plug is fully inserted in outlet
  • Check LED indicator (solid green = connected)
  • Try pressing physical button on plug
  • Test outlet with another device

2. WiFi Connection

  • Kasa devices require 2.4GHz WiFi only
  • Check signal strength where plug is located
  • Verify WiFi password hasn't changed
  • Move plug closer to router if signal is weak

3. Power Cycle

  1. Unplug device from outlet
  2. Wait 10 seconds
  3. Plug back in
  4. Wait 60 seconds for reconnection

LED Indicator Guide

  • Solid green: Connected and on
  • Solid amber: Booting or connecting
  • Blinking green/amber: Ready for setup
  • Off: Device off or no power

Reconnecting to WiFi

After Password Change

  1. Remove device from Kasa app
  2. Press and hold reset button 5 seconds
  3. LED will blink indicating pairing mode
  4. Re-add device in Kasa app with new credentials

Won't Connect During Setup

  • Ensure phone is on same 2.4GHz network
  • Disable VPN on phone if active
  • Move closer to router during setup
  • Disable cellular data temporarily

Power Strip Features

Individual Outlet Control (HS300, KP303)

  • Each outlet appears as separate device in app
  • Can control, schedule, and name individually
  • Some outlets may be always-on (USB ports)

Energy Monitoring

  • HS300 includes energy monitoring per outlet
  • View in Kasa app under device > Energy
  • May take time to accumulate data
  • Check device supports monitoring (not all do)

Voice Control

Alexa Setup

  1. Enable Kasa skill in Alexa app
  2. Link TP-Link/Kasa account
  3. Discover devices
  4. Rename for easy voice control

Google Home Setup

  1. Open Google Home app
  2. Add device > Works with Google
  3. Search for "Kasa Smart"
  4. Link account and import devices

Schedule Issues

Schedules Not Running

  • Verify schedule is enabled in app
  • Check time zone setting in Kasa app
  • Ensure device is online when schedule triggers
  • Delete and recreate problematic schedules

Away Mode

  • Simulates occupancy by random on/off
  • Configure time range in Kasa app
  • Useful for security when traveling

Factory Reset

  1. Press and hold reset button 5-10 seconds
  2. LED will flash rapidly
  3. Remove from Kasa app
  4. Re-add as new device

When to Contact Support

Contact TP-Link support if:

  • Plug won't power on
  • Overheating during normal use
  • Physical damage or burn marks
  • Continuous reset loops