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5.3 Periodic Checkup
5.3.2 Periodic Maintenance/Checkup
No.
Check Item
1
Lighting of
lamp
2
Liquid leak
3
Drain tray
4
Life of light
source lamp
5
Leak sensor
6
Wavelength
accuracy
For ensuring reliable routine operations through prevention of a
trouble, periodic checkup must be carried out, referring to Table
5-1. This table lists the items of periodic maintenance/checkup.
The interval of periodic checkup is based on the assumption that
the instrument operates 8 hours/day and 20 days/month.
Carry out periodic checkup by following the items listed below.
Table 5-1 Periodic Maintenance/Checkup
Interval
Every day
Check that the "D
lit.
Every day
Visually check that liquid is not
leaking from the mobile phase
bottle, tubes and waste solution
bottle.
Every day
Before analysis, check the drain
tray for contamination. If dust or
contaminant is stuck to the tray,
cleaning is required.
Every month
(1) Judge whether the lamp has
reached the end of its service
life by checking for poor
energy and for arrival at the
maximum allowable total ON-
time
(2) Judge whether the lamp has
reached the end of its service
life by checking for significant
baseline fluctuations
(excessive drift or noise).
Every month
(1) Drip water on leak sensor and
confirm that "LAMP OFF BY
LEAKAGE" error occurs.
(2) After confirmation, wipe off
water.
Every year
Check each wavelength using the
bright lines of Hg and D
Check Procedure
LAMP" LEDs is
2
lamps.
2
5 - 6
Remarks
-
-
Dust or contaminant
on the drain tray may
cause the leak sensor
to malfunction.
Refer to 5.2
Refer to 5.3.1.
Refer to 5.2.
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