YASKAWA F7 User Manual

Also see for Varispeed f7: Connection manual Programming manual User guide Instruction manual User manual

Contents

Diagnostics & Troubleshooting 6 - 19Digital Operator COPY Function FaultsThese faults can occur during the Digital Operator COPY function. When a fault occurs, the fault content is displayed on theoperator. A fault does not activate the fault contact output or alarm output.Table 6.5 Digital Operator COPY Function FaultsFunction Digital Operator Display Probable Causes Corrective ActionREADFunctionPREREAD IMPOSSIBLEo3-01 was set to 1 to write parameters whenthe Digital Operator was write-protected(o3-02 = 0).Set o3-02 to 1 to enable writing parametersinto the Digital Operator.IFEREAD DATA ERRORThe data file read from the Drive was of thewrong size indicating corrupted data.• Retry the Read (o3-01=1).• Check the Digital Operator cable.• Replace Digital Operator.RDEDATA ERRORLow Drive voltage has been detected. Check the Drive’s main incoming voltageand verify control wiring is correct.An attempted write of the Drive data to theDigital Operator’s EEPROM failed.• Repeat the read.• Replace Digital Operator.COPYFunctionCPEID UNMATCHEDThe Drive type or software number wasdifferent than the stored data in the DigitalOperator.Use stored data for the F7 Drive andsoftware number (U1-14).VAEINV. KVA UNMATCHThe capacity of the Drive and the capacityof the stored data are different.Use stored data for the same Drivecapacity (o2-04).CRECONTROL UNMATCHEDThe control method of the Drive and thecontrol method of the stored data in theDigital Operator were different.Use stored data for the same controlmethod (A1-02).CYECOPY ERRORA parameter setting written to the Drivewas different than the setting stored in theDigital Operator.Retry the Copy function (o3-01 = 2).CSESUM CHECK ERRORUpon completion of the COPY function,the Drive’s data checksum was differentthan the Digital Operator’s data checksum.Retry the Copy function (o3-01 = 2).VerifyFunctionVYEVERIFY ERRORThe set value of the Digital Operator andthe Drive do not match. Retry the Verify function (o3-01 = 3).