Zhongyuan Drive fault codes

Fault codes

• AdEr Current detection fault
• CB Contactor closed fault
• Cb Contactor not operating normally
• EP Water shortage protection
• ERR1 Password error
• ERR2 Parameter measurement error
• ERR3 Current fault before run
• ERR4 Current zero point offset fault
• ESP External emergency stop
• ErP External device fault
• Err User password error/severe external interference
• LU Undervoltage
• OC Overcurrent
• OC1 Acceleration overcurrent
• OC2 Deceleration overcurrent
• OC3 Constant speed overcurrent
• OE DC overvoltage
• OE1 Acceleration overvoltage
• OE2 Deceleration overvoltage
• OE3 Constant speed overvoltage
• OH Heatsink overheat
• OL Overload
• OL1 Inverter overload
• OL2 Motor overload
• P.F. Phase loss
• PC PC
• PEr Phase loss
• PF1 Input phase loss
• PP Open