Yanggang fault codes

Fault codes

• ACI ACI disconnected
• ASC RS485 communication timeout
• CC Current signal error at stop
• CPu Inverter detection circuit fault
• Ct1 CPU internal A/D1 converter fault
• Ct2 CPU internal A/D2 converter fault
• EF External EF terminal closed , inverter stop output
• EP1 Internal memory IC data write error
• EP2 Internal memory IC data read error
• Fan Fan fault
• GF Ground protection circuit tripped
• HPF Controller protection circuit fault
• LU Inverter internal DC bus voltage too low
• OC Overcurrent
• OCA Overcurrent during acceleration
• OCd Overcurrent during deceleration
• OCn Overcurrent during run
• OH1 IGBT module internal temperature exceeds limit
• OH2 Heatsink temperature overheat
• OL Inverter overload
• OL1 Motor overload
• OT Motor overload
• OV Overvoltage
• OVD Overvoltage during deceleration
• PG PG open
• PHL Power supply input under phase
• PId PID tripped fault
• Pu Keypad open timeout
• SC Load-side short circuit fault
• tunE Motor parameter Auto Tuning failure