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Bruker Optik GmbH BRAVO Analyzer - User Manual
Troubleshooting 7
7.2.4 Black touchscreen display
7.2.5 Failed PQ test / OQ test
7.2.6 Aborted measurement
Possible causes Solutions
After a certain period of time without
any user interaction, the touchscreen
display switches automatically in the
power-saving mode, i.e. it becomes
black.
Touch the touchscreen at any spot.
Possible causes Solutions
Wrong reference standard has been
used.
Repeat the test with the correct reference
standard.
The test has been performed with no
reference standard being placed in the
vial holder of the measuring tip.
Repeat the test with the correct reference
standard being placed in the vial holder of
the measuring tip.
Sapphire window is dirty. Clean it. Afterwards, repeat the test.
Hardware problems Contact the Bruker service.
☞ For the service contact data, see
section 1.10. For detailed information
about the repair procedure, see
section 6.2.
Possible causes Solutions
The spectroscopic measurement has
been started with a disabled laser.
Enable the laser. Then restart the measure-
ment.
☞ For information about how to enable
the laser, see section 1.4.5.
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