Thermo Scientific Orion Star Guide D'utilisation page 66

Troubleshooting
General Dissolved Oxygen Troubleshooting
Problem: The manual barometric pressure entry screen does not appear in the
setup menu .
Solution: The barometric pressure compensation is set to automatic in the setup
menu . Change the barometric pressure compensation to manual and
the next screen will be the manual pressure entry screen .
Problem: The manual salinity factor entry screen does not appear in the
setup menu .
Solution: The salinity correction is set to automatic in the setup menu . Change
the salinity correction to manual and the next screen will be the salinity
factor entry screen .
Polarographic Dissolved Oxygen Troubleshooting
Problem: The AUTO-STIR BOD probe does not turn on when the button on the
probe is pressed .
Solution: The read type must be set to AUTO-READ in the setup menu and the
stirrer speed must be set from 1 to 7 to initiate a measurement and
start stirring by pressing the button on the AUTO-STIR BOD probe .
RDO Optical Dissolved Oxygen Troubleshooting
®
Problem: The meter displays an error 881 message and will not take a dissolved
oxygen measurement .
Solution: Turn the meter off, replace the old optical cap with a new cap and turn
the meter on . This should clear the error message .
Assistance
After troubleshooting all components of your measurement system, contact Techni-
cal Support . Within the United States call 1 .800 .225 .1480 and outside the United
States call 978 .232 .6000 or fax 978 .232 .6031 . In Europe, the Middle East and Africa,
contact your local authorized dealer . For the most current contact information, visit
www .thermoscientific .com/water .
For the latest application and technical resources for Thermo Scientific Orion
products, visit www .thermoscientific .com/water . Select Environmental Analysis
from the Applications drop-down menu and click on the Water and Wastewater icon
or expand the Application Categories .
Warranty
For the most current warranty information, visit www .thermoscientific .com/water .
EN-60 Thermo Scientific Orion Star and Star Plus Meter User Guide
™