Troubleshooting - YASKAWA VARISPEED-616G5 Instruction Manual

This chapter describes the fault displays and countermeasure for the
VS-616G5 and motor problems and countermeasures.
9.1 Protective and Diagnostic Functions
9.1.1 Fault Detection
9.1.2 Minor Fault Detection
9.1.3 Operation Errors

9.2 Troubleshooting

9.2.1 If Constant Constants Cannot Be Set
9.2.2 If the Motor Does Not Operate
9.2.3 If the Direction of the Motor Rotation is Reversed
9.2.4 If the Motor Does Not Put Out Torque or
If Acceleration is Slow
9.2.5 If the Motor Does Not Operate According to
Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.2.6 If the Slip Compensation Function Has Low Speed
Precision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.2.7 If There is Low Speed Control Accuracy at High-speed
Rotation in Open-loop Vector Control Mode
9.2.8 If Motor Deceleration is Slow
9.2.9 If the Motor Overheats
9.2.10 If There is Noise When the Inverter is Started or
From an AM Radio
9.2.11 If the Ground Fault Interrupter Operates When
the Inverter is Run
9.2.12 If There is Mechanical Oscillation
9.2.13 If the Motor Rotates Even When Inverter Output
is Stopped . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.2.14 If 0 V is Detected When the Fan is Started, or
Fan Stalls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.2.15 If Output Frequency Does Not Rise to Frequency
Reference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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