Fault Codes:
Hyundai HX220 NL EPFC 2558（697-4）
Fault Description:
Auxiliary PWM driver 1 circuit -Voltage below normal,or shorted to low source.Low signal voltage detected at the analog torque circuit; Auxiliary PWM driver 1 circuit - voltage lower than the normal value, or short-circuited to ground. A low signal voltage was detected in the analog torque circuit
Fault Location:
Power derate and possible engine shutdown if, engine protection shutdown feature is enabled; If the engine protection shutdown function is enabled, the power is derated and the possible starting mechanism is affected
