The HP-AHP20SA series features a comprehensive fault detection system, providing specific error codes and indications for various issues:

PV Faults: Range from over-temperature protection to pre-charge timeouts, each with unique error codes and indications like changes in the PV indicator color. Resolution steps generally involve ensuring proper installation conditions and resetting the system.

Utility Faults: Include over-voltage, under-voltage, and frequency errors, signaled by changes in the GRID indicator. Troubleshooting often involves checking utility connections and power ratings, followed by a system reset.

Load and BMS Faults: Cover load current errors and BMS-related issues like charge disables or temperature errors. These are addressed by checking connections, and settings, and ensuring proper environmental conditions.

Each fault type is accompanied by specific error codes and indications, guiding users toward appropriate troubleshooting steps.

For a detailed understanding of each fault status and resolution, refer to the inverter/charger manual.