Before launching the software, your hardware must be wired correctly. Failure to do so will result in "Communication Timeout" errors.
Make sure to select the software version that is compatible with your operating system (Windows, macOS, Linux, etc.) and the device model (pzem-017). pzem-017 software download
| Symptom | Likely Cause | Solution | |---------|--------------|----------| | No response from software | Wrong COM port or driver | Reinstall CH340 driver | | Reading zeros | Wrong communication address | Try addresses 1–247 (default 1) | | Garbage characters | Baud rate mismatch | Set to 9600 or 4800 | | Cannot write settings | SW version locked | Use older PC tool (V1.2) | Before launching the software, your hardware must be
Remember: A 200A shunt configured as 50A can damage your system or drain your battery unmonitored. Take 10 minutes today to set it up correctly. | Symptom | Likely Cause | Solution |