Hitachi CHROMASTER 5160, Инструкция по эксплуатации

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Table 4-2 Troubleshooting (continued)
No. Symptom Cause Remedy
a. The flow path is
contaminated.
a. Wash the flow path.
b. The injection port seal leaks. b. Check the lock nut and
retighten if loose. Or replace
the seal.
c. The detergent bottle is
contaminated.
c. Wash the bottle and replace
the detergent.
d. The sample vial or septum is
contaminated.
d. Replace the vial or septum.
e. The tip of need is deformed. e. Replace the needle.
f. The detergent in the wash
port is contaminated.
f. Clean the wash port (refer to
4.3.1).
g. Liquid is trapped in a tube
joint.
g. Make sure the tube tip is not
deformed and the ferrule is not
crushed. After washing,
fasten the tube again.
Or replace the tubing parts as a
set.
h. The needle is contaminated. h. Increase the number of WASH
times (refer to 3.2.2).
i. The needle joint is
contaminated.
i. Remove the needle and wash
the joint. Then, reconnect the
needle (refer to 5.4).
j. Column performance is poor. j. Wash or replace the column.
4 Carryover
occurs.
k. The vial detection lever is
contaminated (due to sample
vial).
k. Attach a cap to the sample vial.
Wash the vial detection lever.
a. An insufficient sample volume
is used.
a. Increase the sample volume.
b. The injection port leaks. b. Check the lock nut and
retighten if loose. Or replace
the seal.
c. The flow path has clogged. c. Replace the tubing.
d. Column performance is poor. d. Wash or replace the column.
e. The detector or data
processor is faulty.
e. Make sure operation is
appropriate. Then, replace
the relevant unit with a new
one.
f. The tip of needle is deformed. f. Replace the needle.
g. The needle has clogged. g. Clean the needle. Or replace
the needle, container or
septum.
h. The tip of needle is in close
contact with sample
container.
h. Correct the Z coordinate in rack
parameters.
i. The sample vial is sealed (at
a negative pressure when
sipping sample).
i. Use a slit septum.
Slow syringe speed (refer to
3.2.2).
5 No peak is
observed.
Peak is small.
j. The sample is viscous. j. Slow syringe speed (refer to
3.2.2). Or dilute the sample.
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