YSI 600DW-B Sonde - Manual (Page 243)

Troubleshooting Section 6
Depth sensor has not been zeroed Follow depth zero procedure 2.6.1
Depth sensor access hole is
obstructed Follow depth cleaning procedure 2.10.2
Depth sensor has been damaged Return sonde for service 8
Depth unstable or
inaccurate
Internal failure Return sonde for service 8
Conductivity improperly
calibrated.
Follow cal procedure 2.6.1
Conductivity probe requires
cleaning Follow cleaning procedure 2.10.2
Conductivity probe damaged Replace probe 8/C
Calibration solution out of spec or
contaminated Use new calibration solution C
Internal failure Return sonde for service 8
Conductivity unstable
or inaccurate. Error
messages appear during
calibration.
Calibration solution or sample
does not cover entire sensor. Immerse sensor fully. 2.6.1
The sensor has been disabled Enable sensor 2.9.5
Water in probe connector Dry connector; reinstall probe 2.10.1
Probe has been damaged Replace the 6560 probe 8/C
Report output improperly set up Set up report output 2.9.4
Installed probe has no
reading
Internal failure Return sonde for service. 8
Water in connector Dry connector; reinstall probe 2.10.2 Temperature, unstable
or inaccurate
Probe has been damaged Replace the 6560 probe 8/C
Probe requires cleaning. Follow probe cleaning procedure 2.10.2
Probe requires calibration Follow cal procedures 8.4
Probe has been damaged Replace probe 8
Water in probe connector Dry connector; reinstall probe 2.3.2
Calibration solutions out of spec Use new calibration solutions C
Wiper is not turning or is not
synchronized. Activate wiper. Assure rotation.
Make sure setscrew is tight. 2.10.2
Wiper is fouled or damaged. Clean or replace wiper. 2.10.2
Turbidity probe
unstable or inaccurate.
Error messages appear
during calibration
Internal failure. Return probe for service. 8
YSI Incorporated Drinking Water Monitoring Systems Operations Manual 6- 4