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Hach BioTector B3500ul User Manual

Hach BioTector B3500ul
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Page 148
112_LO TEMP STANDBY
BioTector temperature has dropped
below 2°C for longer than 2 minutes.
BioTector has been automatically put
into standby mode and has stopped
analyzing.
When BioTector temperature increases
above 5°C for longer than 2 minutes,
BioTector continues normal operation.
Check ambient and BioTector
temperature.
Confirm BioTector is operating
within its specification
temperatures (5°C 45°C).
113_TEMP SENSOR FAULT
The difference between the
temperature readings recorded by
Micro Processor Unit (MPU)
temperature sensor (located on the
Motherboard) and the BioTector
temperature sensor (located on the O2-
Controller Board) has been outside the
±15°C temperature band.
Confirm that motherboard cover is
installed and the door of the
analyzer is closed.
Check ambient temperature,
which should be less than 45°C.
Confirm that the Analyzer is not
exposed to direct sun light.
If the problem is not related to
above, contact the distributor or
the manufacturer.
114_I/O WARNING
System has detected changes in the
Input/Output bus extender chips, which
have read/write control registers, during
the periodic checks carried out
automatically.
When system detects a
discrepancy between the
requested and the read
configuration registers values,
then all devices on SPI Serial
Peripheral Interfacebus are reset
and re-initialized automatically.
Acknowledge the warning and
inform the distributor or the
manufacturer.
115_CO2 ANALYZER
WARN
Fault in CO
2
Analyzer.
Very dirty optics in CO
2
Analyzer.
Check CO
2
analyzer’s ppm CO
2
response in Simulate menu (see
Section 8.1.2 Simulate for
details).
Open CO
2
analyzer and clean the
optics.
Power down and power up the
BioTector.
If problem persists, check
outgoing 24V DC power to CO
2
analyzer on Motherboard at wires
N11 and N12.
For further tests, see information
sheet “T019. BioTector CO
2
Analyzer
Troubleshooting”, which is available in
the MMC/SD card shipped with the
BioTector.

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Hach BioTector B3500ul Specifications

General IconGeneral
BrandHach
ModelBioTector B3500ul
CategoryMeasuring Instruments
LanguageEnglish

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