T01 BMS Monitor User Manual v2.6
Complete guide to monitoring and configuring DS4A Battery Management Systems
Connection Issues
Cannot find BMS in device list
- Ensure Bluetooth is enabled on your phone
- Check the BMS is powered on
- Move closer to the BMS (within 10 metres)
- Try restarting Bluetooth on your phone
- Ensure no other device is connected to the BMS
Connection drops frequently
- Move closer to the BMS
- Check for interference from other Bluetooth devices
- Ensure the BMS battery has sufficient charge
- Try restarting both the app and the BMS
"Location permission required" message
- Android requires location permission for Bluetooth scanning
- Grant location permission in app settings
- The app does not track your location
Data Issues
Values not updating
- Check connection status (green dot should be pulsing)
- Tap Read All Parameters to force a refresh
- Try disconnecting and reconnecting
Incorrect temperature readings
- Check connection status (green dot should be pulsing)
- Contact DS4A for support
Cell voltages show as zero
- Check connection status (green dot should be pulsing)
- Contact DS4A for support
Write Failures
Cannot write parameters
- Check connection status (green dot should be pulsing)
- Wait for any pending operations to complete
- Try reading parameters first, then writing
- Ensure you have a valid over-ride token
Changes not saved
- Re-read parameters to verify
- Some changes require a BMS app restart
- Check the BMS is not in a protection state
App Issues
App crashes on startup
- Clear app cache in Android settings
- Uninstall and reinstall the app
- Ensure you have the latest version
Buttons not responding
- Wait for any pending operations to complete
- Try rotating your device
- Restart the app
Getting Help
For technical support and assistance:
- Website: ds4a.co.uk
- Email: Contact through the DS4A website
When Reporting Issues
Please include:
- App version number
- Android version
- Battery Serial Number
- BMS model and firmware version
- Description of the problem
- Steps to reproduce the issue
- Any error messages displayed
