Hach TL2350 Manuel D'utilisation De Base page 22

Burn hazard. The lamp must be cool before removal from the instrument.
Notes:
• Replace the lamp with the same size, style and electrical rating.
• Do not touch the lamp as oil from skin will damage the lamp. Clean the lamp with alcohol as
necessary.
• Either lamp lead can be put in either terminal block position.
• Turn the instrument on 30 minutes (Ratio on) or 60 minutes (Ratio off) before measurement or
calibration.
• Calibrate the instrument after the lamp is replaced.
To replace the lamp, refer to the documentation that is supplied with the lamp.
7.5 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
Instrument
Update
Service Time
Section 8 Troubleshooting
Message
Startup
The self-check stopped.
Hardware error.
22 English
C A U T I O N
Description
For factory/service use only.
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.
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.
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.
Solution