Troubleshooting - Hach TL2310 Basic User Manual

Instrument utilities
1. Push Home to see the instrument model, version, serial number and location name.
2. Push Diagnostics.
3. Select an option.
Option
Factory Service
Instrument Backup Store—Saves a backup of all the instrument settings and log files to a USB flash drive.
Instrument Update
Service Time

Troubleshooting

Message
Startup
The self-check stopped.
Close the lid.
The self-check stopped.
Hardware error.
Next calibration is due!
Next service is due!
Next verification is due!
Reading
Hardware error / instrument
error
The calibration range is
exceeded.
The measurement range is
exceeded.
Calibration/Verification
Instrument error
20 English
Description
For factory/service use only.
Restore—Copies the instrument settings and log files from a USB flash drive to the
instrument. Overwrites all the instrument settings.
Installs an instrument update on the instrument from a USB flash drive.
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.
Close the lid. Push Close.
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; 2: Slide door; 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. 5: Infrared LED voltage; 6: Infrared LED current; 9:
SDRAM; 10: NOR flash; 11: SPI flash; 12: Battery voltage; 13: Power supply
voltage—Make sure that the correct power supply is used.
Calibrate the instrument. Refer to
Standards on page 13.
Note: The calibration reminder is set to on. Refer to
on page 13.
Contact technical support.
Note: The service reminder is set to on. Refer to
Do a calibration verification. Refer to the expanded user manual on the
manufacturer's website.
Note: The verification reminder is set to on.
Set the power to off, wait 20 seconds and then set the power to on again. If the
problem continues, contact technical support.
The measured turbidity is more than the calibration range of the instrument.
Select a calibration curve for the full measurement range. Refer to
calibration settings
The measured turbidity is more than the measurement range of the instrument.
Examine the standards. Start the calibration or verification again.
If calibration (or verification) is not successful, contact technical support.
Solution
Calibrate the turbidimeter with StablCal
Instrument utilities
on page 13.
Configure the calibration settings
on page 20.
Configure the