Error Codes (Sound and Vibration)

Sound and Vibration Measurement Help


Edition Date: March 2018
Part Number: 372416L-01
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LabVIEW 2018 Sound and Vibration Toolkit Help
LabVIEW 2019 Sound and Vibration Toolkit Help

The Sound and Vibration VIs can return the following error codes. Refer to the KnowledgeBase for more information about correcting errors in LabVIEW.

Code Description
−21421 Required attributes are missing from the input speed profile waveform. Use OAT Convert Speed XY Graph to Waveform VI to create the speed profile waveform.
−21420 You cannot perform period measurement when you measure digital tachometer signals on an NI CompactDAQ chassis. You must use event counting for this type of application.
−21419 Channels in a pair must have the same rotation direction.
−21418 More than two channels have the same pair number in channel properties.
−21417 The input signal must have at least two channels.
−21416 The input XY signal cannot be at equal time or speed interval.
−21415 Select at least one channel in the DAQ Config input when you use a digital tachometer channel.
−21414 Select at least two channels in the DAQ Config input when you use an analog tachometer channel.
−21413 The center frequency is invalid. The center frequency cannot be greater than the Nyquist frequency (half of the sampling frequency).
−21412 Multi-channel measurements require that each waveform has the same sample rate.
−21411 The FIR filter settings are incorrect.
−21410 Multi-channel measurements require that each even-angle signal has the same sample rate.
−21409 number of averages for spectrum averaging must be greater than zero.
−21408 The spectrum block size must be greater than zero.
−21407 The number of tachometer pulses is insufficient for further computation.
−21406 The sampling rate must be greater than zero.
−21405 The filter length must be greater than zero.
−21404 The interpolation or decimation factor must be greater than zero.
−21403 The window information parameters are invalid for further computation.
−21402 The refnum does not support this operation.
−21401 The refnum is invalid.
−21400 An unexpected error occurred.
−4990 The requested samples are no longer available. Verify that the timestamp for the requested data is current. Register all reader IDs using a buffer property node. If the total amount of data will not overload computer memory, set the Delete Mode to 'Release' using a buffer property node.
−4968 Setting Function type value to Unsupported functions will not generate any outputs.
−4967 The UFF file contains no functions with the type specified by the input get function type.
−4965 The real part and the imaginary part of the ordinate are unequal in size.
−4964 The real part of the ordinate is empty.
−4961 The input data is empty.
−4959 UFF ordinate data type not supported. Supported ordinate data types are 'real single precision', 'real double precision', 'complex single precision', and 'complex double precision'.
−4958 The data being read is not evenly spaced.
−4957 The data being read is not complex.
−4956 The data being read must be real valued and evenly spaced.
−4955 This VI only supports writing frequency real data. If you are writing frequency response functions, FFT spectra, or cross spectra, then use the complex instance of this VI, which supports writing real and imaginary data.
−4954 This VI only supports writing real and imaginary data. If you are writing frequency response functions, FFT spectra, or cross spectra, then use the VIs that output real and imaginary components of these results.
−4953 This VI only supports reading complex data that is in frequency domain. Select a different instance of the UFF Read VI to read this data.
−4952 This VI only supports reading real data that is in frequency domain. Select a different instance of the UFF Read VI to read this data.
−4951 This VI only supports reading UFF data whose function type is Time Response. Select a different instance of the UFF Read VI to read this data.
−4950 There was an error reading from or writing to a UFF file.
−4935 The selected method is not supported. Please select a supported item from the ring control.
−4933 tolerance set to 'Relative' with target set to zero. If data is expected to settle to zero, set settling configuration.units to 'Input units'.
−4932 Value(s) specified are outside of the allowable range.
−4931 Spectrum cursor mismatch.
−4930 Array size mismatch.
−4911 The log file must have a ".tdms" file extension.
−4910 When using a Prox Probe channel, the Location and Orientation properties correspond to Pair and Probe Angle, respectively. Pair must be an non-negative integer. Probe Angle must be a double precision number, between -360.0 and 360.0 (inclusive).
−4909 The trigger channel does not exist in the channel list.
−4908 The tachometer channel does not exist in the channel list.
−1999 width and height should both be greater than or equal to 0.
−1998 This measurement does not support the specified window. Select a different window.
−1997 plot type specified in colormap attributes inconsistent with x-axis units specified in spectrum info.
−1996 % not within the range from 0 to 100.
−1995 upper limit and/or lower limit incompatible with signal in.
−1994 This function only operates on phase spectra with x-axis units of frequency expressed in Hertz.
−1993 The engineering units specified must be g.
−1992 The engineering units specified must be Pa.
−1991 The engineering units specified are not recognized as acceleration units. Specify units of acceleration by setting the engineering units selection to g, m/s^2, or in/s^2 when scaling the data using the SVL Scale to EU VI.
−1990 The number of pulses detected in tach signal is less than avg on n pulses.
−1989 FFT Block Size should be greater than or equal to 2.
−1988 pulse/revolution should be greater than or equal to 1.
−1987 avg on n pulses should be greater than or equal to 2.
−1986 pulse width should be greater than or equal to 1.
−1985 from [rpm] and to [rpm] should both be greater than or equal to 0.
−1984 There was an error in a Sound and Vibration VI. Please check the input parameters to the VI.
−1983 This function does not support the selected averaging mode.
−1982 dB reference should be greater than 0
−1981 This function does not operate on the given spectrum type. This function operates on FFT Spectrum [complex], Amplitude [Magnitude], and Power [Magnitude^2] spectrum types.
−1980 This function does not operate on the given spectrum type. This function operates on Amplitude [Magnitude] and Power [Magnitude^2] spectrum types.
−1979 exp window [%] should be greater than 0.
−1978 force window [%] should be between 0 and 100.
−1977 Both waveforms should have the same number of samples.
−1976 Both waveforms should have the same sampling frequency (dt of X = dt of Y).
−1975 The number of samples in the input waveform is too large for the selected zoom settings. Reduce the number of samples processed per iteration, decrease the span specified by the frequency range, and/or increase the number of lines computed in the zoom spectrum.
−1974 overlap (%) should be between 0 and 100.
−1973 number of lines should be greater than or equal to 1.
−1972 range is invalid (span=0). Adjust start and stop to include a nonzero span within the spectrum.
−1971 number of averages should be greater than or equal to 1.
−1970 start frequency should be greater than or equal to f0, and stop frequency should be less than or equal to the greatest frequency in the input spectrum
−1969 The specified frequency is not found within the spectrum. This function requires f0 ≤ frequency ≤ fmax where fmax is the maximum frequency of the spectrum.
−1968 All harmonics to visualize should be less than the specified maximum harmonic.
−1967 precision should be greater than or equal to 0.
−1966 This function does not operate on windowed input signals. Input unwindowed signals to this function.
−1965 Specified format value is not supported.
−1962 equal confidence level should be greater than 0.
−1961 frequency range is invalid. Adjust low frequency and high frequency to include a nonzero frequency range.
−1960 updated configuration is not valid. The current configuration could not be updated because the system timing model does not support dynamic updates. This VI supports the following system timing models: Continuous, Settled, Discrete Sweep, and Continuous Sweep. You may change the system timing model from Finite or Averaged to Continuous or Settled by using the SV Signal Property Node.
−1959 updated configuration is not valid. This VI was unable to update the signal configuration because the current configuration is in the Update state. Continue generating the signal using current configuration until update is finished before updating the signal configuration.
−1958 The initial phase of the chirp signal must be zero.
−1957 high frequency should be less than Nyquist frequency.
−1956 low frequency should be greater than 0.
−1955 frequencies / octave should be greater than 0.
−1954 critical damping factor should be greater than zero
−1953 time constant should be greater than 0.
−1952 integration time should be a finite value greater than 0.
−1951 decimation factor should be greater than 0.
−1950 This function requires that multiple tones be identified in the acquired signal. Increase the amplitude of the component tones, reduce the magnitude threshold, or increase the frequency range to identify additional tones.
−1949 Unsupported frequency spacing. Construct the multitone signal such that the component tones are evenly spaced in frequency.
−1948 custom IMD settings are invalid. low-frequency tone should be less than high-frequency tone. amplitude ratio should be greater than 0. maximum order should be greater than or equal to 2.
−1947 Based on the identified fundamental frequency, no harmonics are contained in the measurement bandwidth. Reduce the frequency of the fundamental tone or increase the measurement bandwidth by increasing the sampling rate.
−1946 maximum harmonic and all harmonics to visualize should be greater than or equal to 2.
−1945 The fundamental tone was not detected. Please make sure that the signal source is connected and/or increase the amplitude of the fundamental tone to be greater than the level of the noise.
−1944 There is insufficient frequency resolution to perform this measurement. Improve the frequency resolution by increasing the number of samples used to compute the FFT and/or decreasing the sampling frequency of the acquisition. Verify that your signals are connected and that an identifiable tone can be found in the frequency range of interest
−1943 This function does not operate on the given spectrum type. This function operates exclusively on FFT Spectrum [complex].
−1942 highpass cutoff frequency should be greater than 0.
−1941 The amplitude of the detected fundamental tone is too low to perform an accurate measurement. Increase the amplitude of the test tone and verify that an identifiable tone can be found in the frequency range of interest. You can also verify that your signals are connected and that each measurement channel is properly grounded.
−1940 The channel info that describes the scaled signals input indicates that weighting has already been applied to the input signal. You should not use the Weighting VIs to apply weighting more than once to a signal. If the signal input to SVL Scale Voltage to EU VI is unweighted, linearly weighted, or Z-weighted, please change the weighting parameter of the channel info cluster to Linear to avoid this error.
−1939 This function does not support the selected weighting.
−1938 There was no spectrum info associated with the input spectra. Some steps that operate on spectra do not preserve the spectrum info, and it is necessary to use the source spectra as the input to this Express step.
−1936 This human vibration weighting filter does not support the sample rate for this waveform. Supported sample rates are 1000, 2000, 3200, 4000, 5000, 6400, 8000, 10000, 12500, 12800, 16666.666, 20000, 25000, 25600, 33333.333, 50000, 51200 Hz.
−1935 This human vibration weighting filter does not support the sample rate for this waveform. Supported sample rates are 8000, 10000, 12500, 12800, 16666.666, 20000, 25000, 25600, 33333.333, 50000, 51200 Hz.
−1934 Time-domain weighting may be applied to signals with sample rates greater than 4000 Hz. Increase Fs for the simulated signal or increase the sample rate of the acquisition to be at least 4000 Hz.
−1933 This weighting filter does not support the sample rate for this waveform. Supported sample rates are 16666.666, 20000, 22050, 25000, 25600, 33333.333, 40000, 44100, 50000, 51200, 80000, 88200, 96000, 100000, 102400, 196000, 200000, 204800, 500000, and 1000000 [Hz].
−1932 This weighting filter does not support the sample rate for this waveform. Supported sample rates are 4000, 8000, 10000, 11025, 12500, 12800, 16666.666, 20000, 22050, 25000, 25600, 33333.333, 40000, 44100, 50000, 51200, 80000, 88200, 96000, 100000, 102400, 196000, 200000, 204800, 500000, and 1000000 Hz. The SVT Weighting Filter VI may be used to apply A, B, or C weighting to signals with arbitrary sample rate.
−1931 The number of samples should be greater than 0.
−1930 sampling frequency should be greater than 0.
−1929 The array of input waveforms was empty. Verify that the data source is returning valid data.
−1928 You must disable frequency weighting during calibration.
−1927 Channel is overloaded. Adjust input limits so input signal stays in range.
−1926 Calibration signal not detected or frequency of calibration signal is out of tolerance. Make sure calibrator is on, calibrator is applied to the selected device and channel, and all connections are secure. After verifying that the signal is present on the specified channel, check whether the actual frequency of the calibration signal agrees with the specified calibration frequency.
−1925 duration should be greater than 0.
−1924 frequency tolerance should be greater than 0.
−1923 calibration frequency should be greater than 0 and less than sampling frequency divided by 3.
−1922 The specified frequency is not found within the spectrum. This VI requires that frequency be between the lowest bandedge frequency and the highest bandedge frequency of the input octave spectrum.
−1921 The number of elements in the dB references array should equal the number of elements in the scaled signals in array.
−1920 The number of elements in the configuration settings array should equal the number of elements in the input signals array. For example, when scaling to engineering units, the number of elements in the channel info array should equal the number of elements in the waveform array.
−1919 The measurement failed to settle in the number of iterations specified by timeout [iterations].
−1918 This function only operates on phase spectra expressed in radians, degrees, or cycles.
−1917 This human vibration weighting filter does not support the sample rate for this waveform. Supported sample rates are 1000, 2000, 3200, 4000, 5000, 6400, 8000, 10000, 12500, 12800 Hz.
−1916 Expected waveform attribute was not found.
−1915 start frequency should be greater than 0. Stop frequency should be greater than 0. Number of steps should be greater than or equal to 2.
−1914 Single-channel measurements are not supported. Please specify the analog input channels stimulus channel and response channel.
−1913 integration cycles should be greater than or equal to 2.
−1912 block duration should be greater than 0.
−1911 swept sine task should be connected to a shift register.
−1910 Execution modes requiring feedback are not supported.
−1909 f0 should be greater than or equal to 0, and df should be greater than 0.
−1908 Dual-channel measurements require that the input spectra be similar (f0_x = f0_y, df_x = df_y, length_x = length_y).
−1907 The sampling frequency of the input waveform should be greater than 0 (dt greater than 0).
−1906 Multichannel measurements require that each signal has the same sample interval (identical dt or identical dr).
−1905 Multichannel measurements require that each waveform has the same number of samples.
−1904 amplitude should be greater than or equal to 0.
−1903 This measurement does not support the use of Traditional DAQ and DAQmx drivers on the same device at the same time. Please make sure that you are using all Traditional DAQ VIs or all DAQmx VIs in your application.
−1902 This measurement does not support configuration and synchronization of multiple devices. Select a data acquisition device with analog input channels and analog output channels to perform the measurement.
−1901 The maximum test frequency is above the alias-free bandwidth for the specified sample rate. Increase sampling frequency or decrease stop frequency.
1902 Deterministic synchronization may have been lost between the digital tachometer channel and the analog vibration channels. After reset, the tachometer counts are adjusted by a time offset. To guarantee deterministic phase relationship between tasks, you should reset synchronized hardware tasks when resetting digital tachometer processing.
1903 The hardware counter/software counter/datatype has exceded the maximum supported value. Digital tachometer processing compensates for rollover for counters less than 64 bits. NI recommends that using the deepest counter available and following best practices for fixed-point operations to minimize and eliminate rollovers.
1905 VI automatically was reset because number of samples in the input signal changed.
1906 VI automatically was reset because sampling frequency changed.
1907 VI automatically was reset because input signal should be continuous from one block to the next.
1908 VI automatically was reset because channel info changed.
1909 VI automatically was reset because frequency range changed.
1910 VI automatically was reset because number of channels changed.
1913 integration cycles was coerced to 1. integration cycles should be greater than or equal to 1.
1927 The generated signal was clipped at the configured signal maximum and minimum.
1940 VI automatically was reset because weighting changed.
1941 VI automatically was reset because integration type changed.
1942 VI automatically was reset because highpass cutoff frequency changed.
1943 Measurement uncertainty is high. You can decrease the uncertainty in spectrum measurements by improving frequency resolution and signal to noise ratio.
1944 The phase measurement uncertainty is high. Adjust the frequency of the fundamental tone in the test signal so that the period is approximately 10 times the group delay.
1945 expected fundamental frequency is outside frequency range.
1946 maximum harmonic was coerced to be between 2 and highest harmonic less than the Nyquist frequency.
1947 harmonics to visualize was coerced so that each element is between 2 and maximum harmonic.
1950 To satisfy the Shannon Sampling Criterion, decimation factor should be less than time constant divided by 2. Typically, decimation factor of time constant divided by 5 or time constant divided by 10 recommended.
1951 Trigger occured before pretrigger samples processed. The triggered data includes simulated (zero) data prior to the trigger event.
1952 VI automatically was reset because integration time changed.
1953 integration time was coerced to a multiple of the acquisition period. Use a shorter acquisition period to achieve a shorter integration time.
1959 The transition from current configuration to new configuration may result in a discontinuous signal. Use the SV Signal Property Node to change the transition profile of the current configuration to "Next optimum" or "Ramp" to avoid discontinuities during signal updates.
1961 VI automatically was reset because bandwidth changed.
1962 VI automatically was reset because averaging type changed.
1963 frequency range was coerced so that high frequency is less than or equal to the sample rate divided by 2.5 for fractional-octave analysis and less than or equal to the sample rate divided by 3 for full-octave analysis.
1966 This VI has applied window to a signal that was previously windowed. The resulting complex window will prevent some extended measurements from operating on the spectrum. To avoid this warning, apply only one window to the time-domain signal.
1969 maximum harmonic was coerced so that actual maximum harmonic frequency is less than or equal to Nyquist frequency.
1970 frequency range was coerced so that actual start frequency and stop frequency are greater than f0 and less than the maximum frequency in the spectrum.
1971 VI was automatically restarted because averaging parameters changed.
1973 VI automatically was reset because zoom settings changed.
1974 This VI coerced number of lines to provide sufficient resolution for the zoom.
1977 VI was automatically restarted, because the channel name changed. Please make sure that you are not indexing an array of channels into a loop to perform an averaged operation.
1978 VI automatically was restarted because window changed.
1979 VI automatically was restarted because FRF mode changed.
1980 Peak search results might be inaccurate because the spectrum was integrated or weighted in the frequency domain.
1981 VI automatically was reset because frequency spacing changed.
1982 VI automatically was reset because chirp duration changed.
1990 No scaling was applied to the data, because previous scaling was detected. This VI is not intended to be used as a units conversion VI.
1992 The existing dB reference in the waveform attributes was overwritten with the specified dB reference.
1997 The waterfall buffer was automatically reset, because z0, dz, or dx changed from the previously buffered data.
4932 Value(s) specified are outside of the recommended range.
4934 settled? cannot return True if the specified mask length is greater than the length of the input data. The application must append more data.
4951 Input spectra were converted to linear scale before being written to file in order to conform with the UFF58b standard.
4952 The UFF File has been modified by another process or application.
4953 The magnitude and phase spectra were converted to real and imaginary spectra before being written to file in order to conform with the UFF58b standard.
4961 The output is empty. Do not update displays. Make sure that you have configured the time/speed segment and the x-axis selection appropriately for the data being processed. Also, this VI is intended for continuous monitoring, and you may need to input additional continuous data to produce measurements.
4968 Text field exceeds the maximum character limit.
4969 When run continuously, only the last data passed through the step is written to file. This step does not buffer the data.
4980 A group should not contain channels with different scale labels.
4981 A group should not contain channels of different function types.
4990 The requested samples are not available yet. At least one sample is past the end of the buffer. Increasing timeout may reduce the occurrence of this error in cases where the application is continuously writing to the buffer and reading from the buffer in parallel.
21400 resampled signal is empty. Acquire more data and verify that sufficient revolutions (indicated by tachometer pulses) are present in the data.
21401 order resolution value is too high. order resolution value must be lower than the maximum order to compute.
21402 threshold is out of the range of the tachometer signal.
21403 hysteresis value is not suitable for the tachometer signal. If the slope is Rising, the threshold minus the hysteresis must be within the range of the tachometer signal. If the slope is Falling, the threshold plus the hysteresis must be within the range of the tachometer signal.
21404 Neither the colormap nor the waterfall graph is exported.
21405 start time is greater than end time.
21406 start time is greater than the input signal duration.
21407 The input signal does not have enough samples.
21408 Specify at least one order to track.
21409 channel properties is empty. This VI uses the default configuration where rotation is counter clockwise, probe angle is zero, and the sensor pair is determined by the channel index.
21410 Some channels are not in pairs.
21411 The input array size or attributes does not match the buffered data. The buffer is reset.
21412 The VI output is empty because expected speed is not reached.
21413 Start speed and End speed are switched to match the Run type.
21414 No valid tachometer pulse is detected.

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