Pylontech Error Codes
Tap any code for its meaning, likely cause in Pakistani conditions, and what to do — including when NOT to touch anything.
| Code | Meaning | Severity |
|---|---|---|
| BMS-COMM | Pylontech US-Series BMS-COMM — Inverter Cannot Talk to the Battery BMS | tech |
| CELL-IMBAL | Pylontech US-Series CELL-IMBAL — Cell Voltage High, Pack Will Not Reach Full | diy |
| CHG-DIS-OC | Pylontech US-Series CHG-DIS-OC — Charge / Discharge Over-Current Protection | tech |
| CHG-OV | Pylontech US-Series CHG-OV — Charge Over-Voltage Protection | tech |
| DIS-UV | Pylontech US-Series DIS-UV — Discharge Under-Voltage Protection | diy |
| MOSFAIL | Pylontech US-Series MOSFAIL — Buzzer and Solid Red Alarm at Power-On | DANGER |
| PERM-FAIL | Pylontech US-Series PERM-FAIL — Permanent Protection, Module Locked Out | DANGER |
| TEMP-PROT | Pylontech US-Series TEMP-PROT — High and Low Temperature Protection | tech |