PA7300 Instruction Manual - TECO-Westinghouse Motor Company

Fault ContactoutputError causesAction to be takenNon Operation Inverter KVA setting (Sn-01) errorParameter setting range errorNon OperationNon OperationMulti-function contact input setting error(Sn-15 ~ Sn-18)Improper setting of V/F characteristic(Cn-02 ~ Cn-08)Improper setting of carrier frequency(Cn-23 ~ Cn-25)EEPROM internal data did not match when initializing theconstantReview the parameter setting range andconditionsTurn off power, then turn on again. If error ispersistent, replace the control board.Non OperationRS-485 communication option card fault.Excess vibration or shock.External noiseTurn off power, then turn on again. If error ispersistent, replace the option card.Non OperationThe RS-485 communication protocols setting in inverter(Sn-24) and option card are in consistent.Check the setting in Sn-24 and option card.Non OperationPoor connectionDefective communication software (in master controller)Check for communication cable betweencommunication option card and master controller(PLC)Check for communication software.118