Troubleshooting
Section
6
YSI Incorporated
Drinking Water Monitoring Systems Operations Manual
6-
4
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
