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Troubleshooting

Here you'll find solutions for the most common problems with your stromleser.one. Most problems can be solved quickly!

General Issues

For general issues affecting all devices, see Common Problems.

Quick Help by LED Status​

The LED shows you what's happening. First look at the LED:

More on LED indicators: Understanding LED Indicators

Setup Problems​

Device not found in app​

LED blinks blue but app doesn't find device

Solutions:

  1. Check Bluetooth

    • Enable Bluetooth on your smartphone
    • Go to system settings
    • Check if app has Bluetooth permissions

  2. Reduce Distance

    • Get closer to device (max. 5 meters)
    • Remove obstacles between smartphone and device

  3. Restart App

    • Close app completely
    • Open it again
    • Try search again

  4. Restart Device

    • Disconnect device from power
    • Wait 10 seconds
    • Connect again
    • LED should blink blue

  5. Restart Smartphone

    • Sometimes a smartphone restart helps
    • Bluetooth is reinitialized in the process

Wi-Fi Problems​

LED blinks red - Wi-Fi connection failed​

This is the most common problem

Solutions:

  1. Check 2.4 GHz Wi-Fi

    • The stromleser.one supports ONLY 2.4 GHz
    • 5 GHz does NOT work
    • Check router settings
    • If only 5 GHz is active, enable 2.4 GHz

  2. Check Wi-Fi Password

    • Pay attention to upper/lowercase
    • Enter special characters correctly
    • No spaces at beginning/end

  3. Check Wi-Fi Signal

    • Is router too far away?
    • Are there thick walls in between?
    • Use a Wi-Fi repeater if necessary

  4. Check Router Settings

    • MAC Filter: If active, add stromleser.one
    • AP Isolation: If active, deactivate
    • Guest Network: Don't use (usually isolated)

  5. Perform Factory Reset

Wi-Fi connection keeps dropping​

Device loses Wi-Fi connection

Solutions:

  1. Router Position

    • Place router closer to meter
    • Or use a Wi-Fi repeater

  2. Change Router Channel

    • Change 2.4 GHz channel in router
    • Test different channels (1, 6, 11)
    • Avoid crowded channels

  3. Router Firmware Update

    • Check if router update is available
    • Can fix stability problems

No Data in App​

Device seems to be working but you see no data

Solutions:

  1. Wait

    • It can take up to 30 seconds
    • Pull app down to refresh

  2. Check Reading Head Position

    • Is it correctly positioned on optical interface?
    • Is logo facing forward?
    • Is optical interface clean?

  3. Check Meter Compatibility

  4. Meter Needs Activation

    • For some meters, optical interface must be activated
    • Contact your grid operator
    • Provide your meter number

  5. Check Internet Connection

    • Is your smartphone connected to internet?
    • Check connection

  6. Restart App

    • Close app completely
    • Open it again

Old data displayed but no new data​

Last data is from yesterday or older

Solutions:

  1. Check Wi-Fi Connection

    • Check if device is still connected to Wi-Fi
    • LED should blink green

  2. Restart Device

    • Disconnect device from power
    • Wait 10 seconds
    • Connect again

  3. Restart Router

    • Sometimes router restart helps
    • Turn router off and on again

Power Supply Problems​

LED doesn't light up​

Device shows no signs of life

Solutions:

  1. Check Cable

    • Is USB-C cable properly plugged in?
    • On device and in outlet?

  2. Check Outlet

    • Is outlet working?
    • Test with another device
    • If DIN rail outlet: Is it switched on?

  3. Check Power Adapter

    • Is power adapter working?
    • Test it with another device
    • LED on power adapter (if available)?

  4. Test Different Cable

    • If possible, test with another USB-C cable
    • Some cables are only for charging, not for data

PV-Specific Problems​

Feed-in not displayed​

You have a PV system but feed-in is not displayed

Solutions:

  1. Check Meter Type

    • Do you have a bidirectional meter?
    • Only these can measure feed-in
    • Does meter say "Consumption/Delivery" or similar?

  2. Check Configuration

  3. Meter Activation

    • Feed-in must be activated by grid operator
    • Contact your grid operator

  4. Currently No Feed-in

    • Is your PV system currently producing electricity?
    • At night or in bad weather there's no feed-in

App Problems​

App crashes or doesn't respond​

App isn't working properly

Solutions:

  1. Update App

    • Go to App Store / Google Play
    • Check if update is available
    • Install latest update

  2. Clear App Cache (Android)

    • Settings → Apps → stromleser
    • Storage → Clear Cache

  3. Reinstall App

    • Uninstall app
    • Reinstall
    • Log in with your account
    • Data remains saved (in cloud)

Push notifications don't work​

You don't receive notifications

Solutions:

  1. Enable Notifications

    • Smartphone Settings → Apps → stromleser
    • Enable notifications

  2. Check Do Not Disturb Mode

    • Is Do Not Disturb mode active?
    • Deactivate it or allow notifications

  3. Battery Saver Mode

    • Some apps in battery saver mode have notifications blocked
    • Allow background activity for stromleser app

Further Steps​

If Nothing Helps​

If none of the above solutions work:

  1. Perform Factory Reset

  2. Consult FAQ

  3. Ask Community

  4. Contact Support

    • 📧 info@energieleser.de
    • Provide following information:
      • Meter model
      • LED status
      • What have you already tried?
      • Error messages (if any)

Collecting Diagnostic Information​

When contacting support, this information helps:

Device Information​

  • Device name in app
  • Firmware version (in app settings)
  • Installation date

Meter Information​

  • Meter manufacturer and model
  • Meter number
  • Meter location (basement, utility room, etc.)

Problem Description​

  • What isn't working?
  • Since when does the problem occur?
  • LED status
  • What have you already tried?

Need Help?​