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6.2 General Troubleshooting Method
Abnormal
phenomen
Check points
Processing content
The motor does
not run
Has the power supply voltage been sent to
R/L1, S/L2, and T/L3?
Whether the power supply is input;
Turn off the power first and then send it again;
Confirm the power voltage level;
Whether the terminal screw is tight.
Is there voltage output at the output
terminals U/T1, V/T2, W/T3?
Turn off the power first and then send it again
Check if the load is too heavy, causing the
motor to block?
Reduce the load so that the motor can run
Check if there is any abnormality in the
inverter?
Refer to the troubleshooting instructions to
deal with wiring inspection and correction
Are forward or reverse instructions issued?
Check if there is an input for the analog
frequency setting value?
Whether the analog frequency input signal
wiring is correct;
Whether the frequency input setting voltage is
correct.
Are the operating mode settings correct?
Operated by digital operation
Motor running
Opposite
direction
Are the output terminals U/T1, V/T2, and
W/T3 wired correctly?
Must work with the U/T1,V/T2,W/T3 phase of
the motor.
Is the forward or reverse signal wiring
correct?
Check and correct the wiring
Motor running
Can't change
speed
Is the analog frequency input wiring
correct?
Check and correct the wiring
Is the operation mode set correctly?
Operation panel operation mode setting check
Is the load too heavy?
Lighten the load
Motor running
speed is too
high or too low
Is the motor specification (pole voltage)
correct?
Check motor specifications
Is the gear ratio correct?
Confirm gear ratio
Is the maximum output frequency setting
correct?
Confirm the maximum output frequency value
Is there an extreme drop in the voltage at
the motor end?
The V/f characteristic curve is set correctly
When the motor
is running
Abnormal
speed changes
Will the load be too heavy?
Lighten the load
Does the load change greatly?
Load fluctuation should be reduced;
The capacity of the inverter and motor is
increased.
Is there any phase loss in the input power
supply?
When using single-phase specifications, add
AC reactor on the input power side;
Check wiring when using three-phase
specifications.
Содержание S3100A Series
Страница 1: ...S3100Aseries inverter General Open loop Vector Control IM User manual User Manual ...
Страница 23: ...19 Size 3 Unit mm S3100A 2T5 5G 2T7 5G S3100A 4T7 5G 11P 4T18 5G 22P Size 4 Unit mm S3100A 4T22G 30P 4T37G 45P ...
Страница 24: ...20 Size 5 Unit mm S3100A 4T45G 55P 4T110G Size 6 Unit mm S3100A 4T110G 132P 4T160G 185P ...
Страница 25: ...21 Size 7 Unit mm S3100A 4T185G 200P 4T220G Size 8 Unit mm S3100A 4T220G 250P 4T315G ...
Страница 26: ...22 Size 9 Unit mm S3100A 4T315G 355P 4T400G 450P Size 10 Unit mm S3100A 4T450G 500P 4T500G ...