Parameters for Tuning the Drive ..................................................................................................... 130Motor Hunting and Oscillation Control Parameters ......................................................................... 1306.3 Drive Alarms, Faults, and Errors .....................................................................................131Types of Alarms, Faults, and Errors................................................................................................ 131Alarm and Error Displays ................................................................................................................ 1316.4 Fault Detection ..................................................................................................................133Fault Displays, Causes and Possible Solutions .............................................................................. 1336.5 Alarm Detection .................................................................................................................140Alarm Codes, Causes, and Possible Solutions ............................................................................... 1406.6 Operator Programming Errors .........................................................................................144oPE Codes, Causes, and Possible Solutions.................................................................................. 1446.7 Diagnosing and Resetting Faults.....................................................................................146Fault Occurs Simultaneously with Power Loss ............................................................................... 146If the Drive Still has Power After a Fault Occurs ............................................................................. 146Viewing Fault History Data After Fault ............................................................................................ 146Fault Reset Methods ....................................................................................................................... 1466.8 Troubleshooting without Fault Display ...........................................................................147Cannot Change Parameter Settings ............................................................................................... 147Motor Does Not Rotate Properly after Pressing RUN Button or after Entering External RunCommand ...................................................................................................................................... 1477. PERIODIC INSPECTION & MAINTENANCE ...................................................... 1537.1 Section Safety....................................................................................................................1547.2 Inspection ..........................................................................................................................156Recommended Daily Inspection...................................................................................................... 156Recommended Periodic Inspection................................................................................................. 1577.3 Periodic Maintenance .......................................................................................................158Replacement Parts.......................................................................................................................... 1587.4 Drive Cooling Fans............................................................................................................160Number of Cooling Fans ................................................................................................................. 160Cooling Fan Replacement............................................................................................................... 1618. PERIPHERAL DEVICES & OPTIONS ................................................................ 1638.1 Section Safety....................................................................................................................1648.2 Drive Options and Peripheral Devices ............................................................................1658.3 Connecting Peripheral Devices .......................................................................................1668.4 Installing Peripheral Devices ...........................................................................................167Installing a Molded Case Circuit Breaker (MCCB) and Earth Leakage Circuit Breaker (ELCB) ..... 167Application Precautions when Installing a GFCI ............................................................................. 167Installing a Magnetic Contactor ....................................................................................................... 167Connecting an AC Reactor or DC Link Choke ................................................................................ 168Connecting a Surge Suppressor ..................................................................................................... 169Connecting a Noise Filter ................................................................................................................ 169Zero-Phase Reactor ........................................................................................................................ 171Installing Fuses on the Input Side ................................................................................................... 171Attachment for External Heatsink.................................................................................................... 171Noise Filter Installation .................................................................................................................... 171Installing a Motor Thermal Overload (oL) Relay on the Drive Output ............................................. 171Table of Contents6 YASKAWA ELECTRIC SIEP C710606 31B YASKAWA AC Drive – J1000 Technical Manualhttp://nicontrols.com