Battery Overvoltage Protection

Battery voltage exceeds 63V

Pump Motor Power Module Overheat

Power module temperature exceeds 90°C

Battery Low Voltage Alarm

Battery voltage below discharge protection value

Drive Motor Overheating Alarm

Motor temperature approaching maximum

Pump Motor Overheating Alarm

Pump motor temperature approaching maximum

Drive Motor Current Loss

Phase current not zero at startup

Main Contactor Coil Overcurrent

Contactor current too large

Battery Undervoltage Protection

Battery voltage below 24V

Drive Motor Power Module Overheat

Module temperature exceeds 90°C

Accelerator Depressed Before Start

Driver pressed accelerator during power-on self-test

Control Unit 5V Output Fault

K1-16 voltage below 4.3V

Control Unit 12V Output Fault

K1-17 voltage below 10.5V

Flash Fault Alarm

Control parameter value beyond allowable range

Precharge Capacitor Low Pressure

Capacitor voltage below 70% of battery during motor running

Drive Motor Overheat Shutdown

Motor temperature exceeds maximum

Drive Motor Encoder Fault

Encoder signal lost during motor running

Drive Motor Power Module Overcurrent

Actual current exceeds limit - motor short or parameter mismatch

Pedal Accelerator Fault

Accelerator feedback voltage incorrect while pedal not closed

Capacitor Precharging Too Slow

Precharge voltage increases too slowly