LED Indicators

Your stromleser.one has an LED that shows you the current device status. Here you'll learn what the different LED signals mean.

LED Overview

The LED is located on the device and shows the current state through color and blinking pattern.

LED Status Indicators

🔵 Fast Blinking Blue

What does it mean?

• Device is in setup mode
• Wi-Fi connection is being prepared
• Bluetooth pairing is active

When do you see it?

• Directly after switching on
• During initial setup
• After a factory reset

What should you do?

• Open app and follow setup instructions
• Enable Bluetooth on smartphone
• Stay near the device (max. 5 meters)

➡️ See: App Setup

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🟢 Slow Blinking Green

What does it mean?

• ✅ Everything is working perfectly!
• Device is connected to Wi-Fi
• Data is being read successfully
• Connection to cloud is established

When do you see it?

• During normal operation
• When device is correctly set up

What should you do?

• Nothing! This is the normal operating state
• You can now view data in the app

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🔴 Blinking Red

What does it mean?

• ⚠️ An error has occurred
• Possible causes:
  • Wi-Fi connection failed
  • Meter cannot be read
  • Configuration error
  • Cloud connection interrupted

When do you see it?

• After failed Wi-Fi setup
• When Wi-Fi password was incorrect
• During connection problems
• When meter cannot be read

What should you do?

1. Perform Factory Reset

   • See: Factory Reset
   • Restart setup

2. Check Wi-Fi

   • Is Wi-Fi 2.4 GHz?
   • Is password correct?
   • Is signal strong enough?

3. Check Position

   • Is reading head correctly positioned on meter?
   • Is logo facing forward?

4. Contact Support

   • If problem persists
   • 💬 Community Forum
   • 📧 info@energieleser.de

➡️ See: Troubleshooting

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⚫ LED is Off

What does it mean?

• Device has no power
• USB-C cable is not connected
• Power supply is interrupted

What should you do?

1. Check Power Supply

   • Is USB-C cable properly plugged in?
   • Is outlet working?
   • Is plug properly in outlet?

2. Check Cable

   • Is cable damaged?
   • Try another USB-C cable (if available)

3. Check Power Adapter

   • Is power adapter working?
   • Test it with another device

➡️ See: Power Connection

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🔵 Solid Blue (Without Blinking)

What does it mean?

• Firmware update is running
• Device is restarting
• Initialization

What should you do?

• Wait! Don't disconnect from power
• Process takes 1-2 minutes
• Device will restart automatically afterward

Important

NEVER disconnect device from power during firmware update! This can damage the device.

Quick LED Reference

LED Status	Meaning	Action
🔵 Fast blinking	Setup mode	Open app, start setup
🟢 Slow blinking	Normal operation	All ok, no action needed
🔴 Blinking	Error	Factory reset, check Wi-Fi
⚫ Off	No power	Check power supply
🔵 Solid	Update/Starting	Wait, don't disconnect from power

Troubleshooting by LED Status

LED blinks red after setup

1. Perform factory reset
2. Repeat Wi-Fi setup
3. Check router settings (2.4 GHz active?)

LED blinks blue but app doesn't find device

1. Enable Bluetooth on smartphone
2. Get closer to device (max. 5 meters)
3. Restart app
4. Restart device (disconnect power, wait 10 sec., reconnect)

LED lights green but no data in app

1. Refresh app (pull down)
2. Check internet connection
3. Check position of reading head on meter
4. Check meter compatibility

Further Help

If LED shows unexpected behavior:

• 📚 FAQ - Frequently Asked Questions
• 🔧 Troubleshooting - Solving problems
• 💬 Community Forum - Exchange with others
• 📧 info@energieleser.de - Direct support