Hach BioTector B3500s User Manual page 142

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29_PRESSURE TEST OFF
30_TOC/TC SPAN CAL FAIL
31_TIC SPAN CAL FAIL
33_TOC/TC SPAN CHCK
FAIL
34_TIC SPAN CHCK FAIL
42_ZERO CAL FAIL
43_ZERO CHCK FAIL
50_TIC OVERFLOW
51_TOC OVERFLOW
There are two pressure tests carried
out in BioTector. One is a daily
pressure test and the other, called
pressure check, is carried out every
analysis cycle. This function relates to
the daily pressure test. Pressure/Flow
Test cycle has been switched off. See
Section
8.3.4.5 Pressure/Flow Test
Program
for details.
TOC/TC/TIC Span Calibration result is
outside the specified TOC/TC/TIC
BAND defined in Span Program menu.
See Section
8.3.4.3
for details.
TOC/TC/TIC Span Check result is
outside the specified TOC/TC/TIC
BAND defined in Span Program menu.
See Section
8.3.4.3
for details.
Zero Calibration result is outside the
specified ZERO BAND defined in Zero
Program menu. See Section
Zero Program
for details.
Zero Check result is outside the
specified ZERO BAND defined in Zero
Program menu. See Section
Zero Program
for details.
High TIC reading at the end of the TIC
phase, even though the TIC sparge
time has been automatically extended
to its maximum time of 300s. See
Section
8.3.6
Reaction Check
details.
High TOC readings at the end of TOC
phase, even though the TOC time has
been automatically extended to its
maximum time of 300s. See Section
8.3.6
Reaction Check
Activate the Pressure/Flow Test
cycle by programming the factory
flow settings in Pressure/Flow
Test Program menu.
System factory configuration settings
are available in the MMC/SD card
shipped with the BioTector.
Check the concentration of the
standard solution used.
Check the settings in Span
Span Program
Calibration menu.
Check the operation of the
BioTector.
Check the concentration of the
standard solution used.
Check the settings in Span
Span Program
Calibration menu.
Check the operation of the
BioTector.
Check the stability of the zero
reactions and the quality of the
8.3.4.2
reagents used.
Check the settings in Zero
Program menu.
Repeat the zero calibration cycle.
Check the stability of the zero
reactions and the quality of the
8.3.4.2
reagents used.
Check the settings in Zero
Program menu.
Repeat the zero calibration cycle.
Exceptionally high TIC.
Check system operation ranges in
System Range Data menu.
Increase operation range to
for
reduce injected sample volume.
Increase the TIC SPARGE TIME
in System Program, System
Program 1 menu.
Exceptionally high TOC.
Check system operation ranges in
System Range Data menu.
Increase operation range to
for details.
reduce injected sample volume.
Increase the TOC SPARGE TIME
in System Program, System
Program 1 menu.
Page 142

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