9-1
9
Troubleshooting
This chapter describes the fault displays and countermeasure for the
VS-616G5 and motor problems and countermeasures.
9.1 Protective and Diagnostic Functions 9 - 2.....
9.1.1 Fault Detection 9 - 2..............................
9.1.2 Minor Fault Detection 9 - 6.........................
9.1.3 Operation Errors 9 - 8.............................
9.2 Troubleshooting 9 - 9.......................
9.2.1 If Constant Constants Cannot Be Set 9
-
9...........
9.2.2 If the Motor Does Not Operate 9 - 9.................
9.2.3 If the Direction of the Motor Rotation is Reversed 9
-
11.
9.2.4 If the Motor Does Not Put Out Torque or
If Acceleration is Slow 9
-
11......................
9.2.5 If the Motor Does Not Operate According to
Reference 9
-
11................................
9.2.6 If the Slip Compensation Function Has Low Speed
Precision 9 - 11.................................
9.2.7 If There is Low Speed Control Accuracy at High-speed
Rotation in Open-loop Vector Control Mode 9
-
11..
9.2.8 If Motor Deceleration is Slow 9
-
12..................
9.2.9 If the Motor Overheats 9
-
12........................
9.2.10 If There is Noise When the Inverter is Started or
From an AM Radio 9 - 13.........................
9.2.11 If the Ground Fault Interrupter Operates When
the Inverter is Run 9 - 13.........................
9.2.12 If There is Mechanical Oscillation 9
-
13.............
9.2.13 If the Motor Rotates Even When Inverter Output
is Stopped 9 - 14................................
9.2.14 If 0 V is Detected When the Fan is Started, or
Fan Stalls 9 - 14.................................
9.2.15 If Output Frequency Does Not Rise to Frequency
Reference 9 - 14................................
9
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