Hach BioTector B7000 User Manual page 142

WARNING
28_NO PRESSURE TEST
29_PRESSURE TEST OFF
30_TOC SPAN CAL FAIL
31_TIC SPAN CAL FAIL
33_TOC SPAN CHCK FAIL
34_TIC SPAN CHCK FAIL
36_TN SPAN CAL FAIL
39_TN SPAN CHCK FAIL
44_TN ZERO CAL FAIL
CONDITION
This warning is logged when the
pressure test procedure is skipped
during the system startup sequence.
The warning cannot be acknowledged
by the user. It can only be
acknowledged automatically by the
system next time the pressure test is
passed.
Pressure/Flow Test cycle has been
switched off. See Sequence Program,
Pressure/Flow Test Program section
for more information.
TOC/TIC Span Calibration result is
outside the specified TOC/TIC BAND
defined in Sequence Program, Span
Program menu.
TOC/TIC Span Check result is outside
the specified TOC/TIC BAND defined in
Sequence Program, Span Program
menu.
TN Span Calibration result is outside
the specified TN BAND defined in
Sequence Program, Span Program
menu.
TN Span Check result is outside the
specified TN BAND defined in
Sequence Program, Span Program
menu.
TN Zero Calibration result is outside
the specified TN BAND defined in
Sequence Program, Zero Program
menu.
CAUSE/REMEDY
This warning occurs when the
Pressure/Flow Test is deactivated,
and when the "QUICK STARTUP"
function is used. See Operation,
Start Stop section for details.
Activate the Pressure/Flow Test
cycle by programming the factory
flow settings in Pressure/Flow
Test Program menu.
Check the concentration of the
standard solution used. Check the
settings in Span Calibration menu.
Check the operation of the
BioTector.
Check the concentration of the
standard solution used. Check the
settings in Span Calibration menu.
Check the operation of the
BioTector.
Check the concentration of the
standard solution used. Check the
settings in Span Calibration menu.
Check the operation of the
BioTector.
Check the concentration of the
standard solution used. Check the
settings in Span Calibration menu.
Check the operation of the
BioTector.
Confirm DI Water is connected to
the ZERO port of the BioTector
during zero calibration cycle.
Check the stability of the zero
reactions and the quality of the
reagents used. Check the settings
in Zero Program menu. Check the
operation of the BioTector.
Repeat the zero calibration cycle.
Page 142