YASKAWA Varispeed-606PC3 Instruction Manual

1 . VS-606PO3 INVERTER MAIN UNIT (Cont'd)1 .6 .4 Inverter Status Display LEDsWith the model without digital operator, LEDsprovided for the inverter are of help to know theinverter status . These LEDs can be seen through theindicating cover on the inverter front side . There are Mv,two LEDs : green (DS 1) and red (DS2). Inverterstatus can be seen by these two LED lighting modes.Table 1 .6 shows the LED lighting modes and thecontents. Check that the inverter is in the normal statusat power ON in the test run stage.Table 1 .6 LED Display and ContentsLED light off,C : LED blink, - C~; : LED light.* By initializing control constants using the digital operator, errors may be released . Fordetails of constant initialization, refer to "PASSWORD SETTING" on page 95.Inverter LED DisplayStatus DS 1 DS2 Display Conten:s Remarks(GR) (RD)Normal "Operation ready (duringSTOP)" During normal RUNAlarm " %I/C Undervoltage (UV), external Automatic recoveryby protectiveB.B, while stopped. operation releaseInverter external fault (EF is,~ input.)~ Overload protection such asProtective ;0 ~ inverter overload (00, finoperation overheat, etc. Can be reset afterVoltage protection such as removing the cause" -O overvoltage (OV), of fault.undervoltage (UV), Overcurrent protection (OC)l~ -10; Ground fault (GF)Digital hardware memory fault Cannot be reset.*Inverter (CPF) (Replace thefault inverter.)Hardware fault such as Cannot be reset." " control power supply fault, (Replace theCPU runaway, etc. inverter.)