Hach TL2300, Basic User Manual

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Instrument utilities
1. Push Home to see the instrument model, version, serial number and location name.
2. Push Diagnostics .
3. Select an option.
Option Description
Factory Service For factory/service use only.
Instrument Backup Store —Saves a backup of all the instrument settings and log files to a USB flash drive.
Restore —Copies the instrument settings and log files from a USB flash drive to the
instrument. Overwrites all the instrument settings.
Instrument Update Installs an instrument update on the instrument from a USB flash drive.
Service Time Shows the date entered for the last service date and for the next service date. When
set to on, a service reminder shows on the display when service is due.
Troubleshooting
Message Solution
Startup
The self-check stopped.
Hardware error. Set the power to off, wait 20 seconds and then set the power to on again. If the
self check is not successful, record the error number and contact technical
support.
Error numbers: 0: RTC; 1: Touch IC; 3: Dark voltage—Close the door until a click
is heard. Start the instrument again. 4: Amplifier coefficient—Make sure that the
power supply is connected to an electrical outlet that has a protective earth
ground. 7: Lamp voltage—Make sure that the correct power supply is used. 8:
Transmission voltage drift—If the lamp was replaced, calibrate the instrument. If a
vial was in the sample compartment during the self-test at startup, remove the vial.
9: SDRAM; 10: NOR flash; 11: SPI flash; 12: Battery voltage; 13: Power supply
voltage—Make sure that the correct power supply is used.
Next calibration is due! Calibrate the instrument. Refer to Calibrate the turbidimeter with StablCal
Standards on page 13.
Note: The calibration reminder is set to on. Refer to Configure the calibration settings
on page 13.
Next service is due! Contact technical support.
Note: The service reminder is set to on. Refer to Instrument utilities on page 21.
Next verification is due! Do a calibration verification. Refer to the expanded user manual on the
manufacturer's website.
Note: The verification reminder is set to on.
Reading
Hardware error / instrument
error Set the power to off, wait 20 seconds and then set the power to on again. If the
problem continues, contact technical support.
The calibration range is
exceeded. The measured turbidity is more than the calibration range of the instrument. Select
a calibration curve for the full measurement range. Refer to
Configure the
calibration settings on page 13.
The measurement range is
exceeded. The measured turbidity is more than the measurement range of the instrument.
Calibration/Verification
Instrument error Examine the standards. Start the calibration or verification again.
If calibration (or verification) is not successful, contact technical support.
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