Buchi NIRMaster Essential, Руководство по эксплуатации

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Büchi Labortechnik AG
Help with faults | 8
Operation Manual NIRMaster™ 39/46
8 Help with faults
8.1 Troubleshooting
Problem Possible cause Action
System is over-
heated Filter clogged
u
Exchange outer / inner
filters.
System does not
power up Power outage
u
Make sure that the
instrument has power.
Built-in resettable fuses or
electronic malfunction
u
Reset internal fuses.
u
If error persists, call service
for repair.
External reference
measurement fails See Chapter 8.3 "Reference
measurement fails", page 40
u
Clean all optical surfaces in
the measurement path.
u
Perform NADIA Chapter 8.2
"Enhanced system diagnose
(NADIA)", page 39.
Sample cup does
not rotate Spinner contaminated with oil
or fat
u
Clean spinner in dishwasher.
Incorrect measure-
ments results Not enough sample material
available
u
Use sufficient sample
material.
Sample not homogenious or
representative
u
Take a representative
sample.
u
Mix the sample before
measurement.
Humidity of sample material
u
Only use dry samples.
Temperature of sample mate-
rial
u
Wait until the sample
reaches ambient
temperature.
Sample cup inadeqate
u
Only use from BUCHI
recommended sample cups.
See Chapter 10.1.2
"Accessories", page 43
Malfunctions or errors which are not listed in the table are to be corrected by a
BUCHI technical engineer. In this case please refer to your local BUCHI customer
service agent.
8.2 Enhanced system diagnose (NADIA)
Additional tests to the SST can be run via the NIRWare Automatic Diagnose (NADIA)
tool. It can be used to verify the condition of the instrument e.g. during service for
an enhanced performance check.
To run NADIA see chapter 5.9 in the NIRWare Operations Manual.