FAQ - Frequently Asked Questions

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  • No : 3749
  • Date of Issue : 2020/12/02 16:31
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Error Code:[0x871B] CHECK NG2

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

Answer

«Main Cause»
No peak was found in the excitation wavelength peak detection shown inside the parentheses.
 
«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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