FAQ - Frequently Asked Questions

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  • No : 3748
  • Date of Issue : 2020/12/02 16:31
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Error Code:[0x871A] CHECK NG1

Error Message: The wavelength shift is greater than 2 nm.
Category : 

Answer

«Main Cause»
Displayed when there is a wavelength discrepancy of grater than 2.0nm in a wavelength check or on wavelength calibration.
 
«Countermeasure»
(1) Fit the flow cell unit accurately.
(2) Perform wavelength calibration with [WAVE CALIB] in the VP function, then check the wavelength accuracy.
(3) Purge the air bubbles inside the cell.
(4) Fit the cell with mobile phase that does not absorb the emission line in the vicinity of 254nm.
If the error is still displayed after taking the corrective action above, turn the power OFF and contact a Shimadzu sales or service representative.

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