Shimadzu BL3200S Instruction Manual Page 193

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6.2 Dealing with Error Messages
6-9
RF-20A/20Axs
6
ERR Hg LAMP
Alarm
Cause: Displayed when the low-pressure Hg (mercury)
lamp cannot be turned on.
(Low-pressure Hg (mercury) lamp error)
RF-20Axs only
Action: Turn the power OFF and then restart the
instrument. If the same error is still displayed,
contact your Shimadzu representative.
CHECK NG1
Alarm
Cause: Displayed when there is a wavelength
discrepancy of greater than 2.0 nm in a
wavelength check or on wavelength calibration.
(Wavelength check error 1)
CHECK NG2(EX***)
Cause: No peak was found in the excitation wavelength
peak detection shown inside the parentheses.
(Wavelength check error 2)
CHECK NG3(EM***)
Cause: No peak was found in the emission wavelength
peak detection shown inside the parentheses.
(Wavelength check error 3)
Action: For each cause, one of the following factors is
likely.
If the error is still displayed after taking the
corrective action above, turn the power OFF
and contact your Shimadzu representative.
Error Message Type Cause and Action
Cause Action
The flow cell unit has
not been fitted
accurately.
Fit the flow cell unit
accurately.
There is error in the
wavelength calibration.
Perform wavelength
calibration with [WAVE
CALIB] in the VP
functions, then check
the wavelength
accuracy.
Large air bubbles are
entrained, and
fluorescent intensity is
extremely large or small
in the vicinity of the
emission line
wavelength of the low-
pressure Hg (mercury)
lamp.
Purge the air bubbles
inside the cell.
There is a sample or
mobile phase that
strongly absorbs the
emission line (254 nm)
of the low-pressure Hg
(mercury) lamp inside
the flow cell.
Fill the cell with mobile
phase that does not
absorb the emission line
in the vicinity of 254 nm.
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