Endress+Hauser Liquistation CSF48 User manual

Products Solutions Services
BA00463C/07/EN/17.12
71208856
Valid as of:
Softwareversion 01.04.00
Operating Instructions
Liquistation CSF48
Automatic sampler for liquid media
Maintenance & diagnostics

About this manual
These instructions describe all the tasks you must perform for diagnostics, maintenance and
repair.
A description of the following is provided here:
• General troubleshooting
• Overview of the diagnostic messages
• Description of the information of the "Diagnostics" menu
– Diagnostics list
–Logbooks
– System information
–Outputstatus
–Systemtest/Reset
–Sensorchange
– Manual hold
– Term information
– Simulation
– Sensor information
• Cleaning and maintenance
• Accessories and spare parts
This manual does not include the following:
• Setup/General settings
--> Operating Instructions BA00443C "Commissioning"
• Display/Operation
--> Operating Instructions BA00443C "Commissioning"
•Inputs
--> Operating Instructions BA00464C "Operation&settings"
•Outputs
--> Operating Instructions BA00464C "Operation&settings"
• Sampling programs
--> Operating Instructions BA00464C "Operation&settings"
• Additional functions
--> Operating Instructions BA00464C "Operation&settings"
• Data management
--> Operating Instructions BA00464C "Operation&settings"
•Calibration
--> Operating Instructions BA00467C "Calibration"
•Expert
--> Internal Service Manual

Endress+Hauser
Liquistation CSF48
Table of contents
1 Diagnostics and
troubleshooting . . . . . . . . . . . . . 4
1.1 General troubleshooting . . . . . . . . . . . . . . 4
1.2 Diagnostic information on the onsite
display . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
1.3 Diagnostic information via web browser 13
1.4 Diagnostic information via fieldbus . . . 13
1.5 Adjusting diagnostic information . . . . . 14
1.6 Overview of diagnostic information . . . 16
1.7 Pending diagnostic messages . . . . . . . . . 39
1.8 Diagnostics list . . . . . . . . . . . . . . . . . . . . . 40
1.9 Logbooks . . . . . . . . . . . . . . . . . . . . . . . . . . 40
1.10 Device info . . . . . . . . . . . . . . . . . . . . . . . . 47
1.11 Simulation . . . . . . . . . . . . . . . . . . . . . . . . 49
1.12 Reset measuring instrument . . . . . . . . . 51
1.13 Term information . . . . . . . . . . . . . . . . . . 54
1.14 Status of inputs/outputs . . . . . . . . . . . . . 55
1.15 Sensor change (for version with sensors
with the Memosens protocol) . . . . . . . . 55
1.16 Manual hold (for version with sensors with
the Memosens protocol) . . . . . . . . . . . . . 56
1.17 Firmware history . . . . . . . . . . . . . . . . . . . 56
2 Maintenance. . . . . . . . . . . . . . . 58
2.1 Recommended maintenance . . . . . . . . . 58
2.2 Replacing the pump tube . . . . . . . . . . . . 59
2.3 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . 61
2.4 Replacing the storage batteries . . . . . . . 66
2.5 Calibration . . . . . . . . . . . . . . . . . . . . . . . . 67
2.6 Technical support . . . . . . . . . . . . . . . . . . 67
3 Repair. . . . . . . . . . . . . . . . . . . . . 68
3.1 Spare parts . . . . . . . . . . . . . . . . . . . . . . . . 68
3.2 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
3.3 Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
4 Accessories . . . . . . . . . . . . . . . . 75
4.1 Accessories for Liquistation CSF48 . . . . 75
4.2 Measuring cable . . . . . . . . . . . . . . . . . . . . 77
4.3 Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Index. . . . . . . . . . . . . . . . . . . . . . 82

Diagnostics and troubleshooting Liquistation CSF48
4Endress+Hauser
1 Diagnostics and troubleshooting
The sampler continuously monitors its own functions.
The color of the display background changes to red if a diagnostics message for error category
"F" occurs.
The LED beside the display flashes red if a diagnostics message for error category "M" occurs.
1.1 General troubleshooting
1.1.1 Troubleshooting
A diagnostic message appears on the display or via the fieldbus indicating that the measured
values are not plausible, or you identify a fault.
1. See the Diagnostics menu for the details on the diagnostic message.
Follow the instructions to rectify the problem.
2. If this does not help: Search for the diagnostic message under "Overview of diagnostic
information" () in this manual. Use the message number as a search criterion. Ignore the
letters indicating the Namur error category.
Follow the troubleshooting instructions provided in the last column of the error tables.
3. If the measured values are implausible, the onsite display is faulty or you encounter other
problems, search for the faults under "Process errors without messages" () or "Device-specific
errors" ().
Follow the recommended measures.
4. Contact the Service Department if you cannot rectify the error yourself. Only cite the error
number.
1.1.2 Process errors without messages
pH/ORP measurement
Problem Possible cause Tests and/or remedial measures
Display values deviate
from reference
measurement
Incorrect calibration Repeat the calibration.
Where necessary, check and repeat the calibration
with the reference device.
Sensor fouled Clean the sensor.
Temperature measurement Check the temperature measured values of both
devices.
Temperature compensation Check the settings for temperature compensation
and adjustment for both devices.

Liquistation CSF48 Diagnostics and troubleshooting
Endress+Hauser 5
Measuring chain
zero-point cannot be
adjusted
Contaminated reference system Test with new sensor
Junction clogged Clean or grind junction
Asymmetric sensor voltage too high Clean junction or test with another sensor
No change or subtle
change in display
– Sensor fouled
–Sensorold
– Sensor defective (reference lead)
Clean the sensor.
Reference has low level of KCl Check KCl supply: 0.8 bar (12 psi) over medium
pressure
Measuring chain slope:
– Cannot be adjusted
–Tolow
–Noslope
Device input defective Check device directly.
–Sensorold
– Hair-line crack in the glass
membrane
Renew sensor.
Constant, incorrect
measured value
Sensor does not immerse properly
or protection cap not removed
Check installation position, remove protection cap.
Air pockets in assembly Check assembly and orientation.
Ground fault at or in device Perform test measurement in isolated vessel, with
buffer solution if applicable.
Hair-line crack in the glass
membrane
Renew sensor.
Device in impermissible operating
condition (does not respond when
key pressed)
Switch off device and switch it on again.
Incorrect temperature
value
Sensor failure Replace sensor
Fluctuations in measured
value
Interference on signal output cable Check cable routing, route cable separately if
necessary.
Interference potential in medium Eliminate source of interference or ground medium
as close as possible to sensor.
No current output signal Cable disconnected or shortcircuited Disconnect cable and measure directly at device.
Output defective See "Device-specific errors" section.
Fixed current output
signal
Current simulation active Switch off simulation.
Incorrect current output
signal
Total load in current loop too high Measure the load and reduce it to the permitted
value if necessary (--> Technical data, Operating
Instructions "Commissioning").
EMC (interference coupling) Check wiring. Identify and eliminate cause of
interference.
Problem Possible cause Tests and/or remedial measures

Diagnostics and troubleshooting Liquistation CSF48
6Endress+Hauser
Conductivity measurement
Problem Possible cause Tests and/or remedial measures
Display values deviate
from reference
measurement
Incorrect calibration Repeat the calibration.
Where necessary, check and repeat the calibration
with the reference device.
Sensor fouled Clean the sensor.
Temperature measurement Check the temperature measured values of both
devices.
Temperature compensation Check the settings for temperature compensation
and adjustment for both devices.
Display values deviate
from reference
measurement
Polarization fields Use suitable sensor:
• Larger cell constant
• Graphite instead of stainless steel (observe
material resistance properties)
Implausible measured
values:
– Measured value
constantly 000
– Measured value too low
– Measured value too
high
– Measured value frozen
– Current output value
not as expected
Short-circuit/moisture in sensor Check sensor.
Short-circuit in cable or socket Check cable and socket.
Disconnection in sensor Check sensor.
Disconnection in cable or socket Check cable and socket.
Incorrect cell constant setting Check cell constant.
Incorrect output assignment Check assignment of measured value to current
signal.
Air pockets in assembly Check assembly and orientation.
Ground fault at or in device Measure in isolated vessel.
Device in impermissible operating
condition (does not respond when
key pressed)
Switch off device and switch it on again.
Incorrect temperature
value
Sensor failure Replace sensor

Liquistation CSF48 Diagnostics and troubleshooting
Endress+Hauser 7
Measured value in process
incorrect
No/incorrect temperature
compensation
ATC: select type of compensation; if linear, set
suitable coefficients.
MTC: set process temperature.
Incorrect temperature measurement Check temperature measured value.
Bubbles in medium Suppress formation of bubbles by:
– Gas bubble trap
– Creating counterpressure (orifice plate)
– Measurement in bypass
Flow rate too high (can lead to
bubble formation)
Reduce flow rate or select less turbulent mounting
location.
Voltage potential in medium (only
for conductive)
Ground medium close to sensor.
Sensor fouling or buildup on sensor Clean sensor (see "Cleaning the conductivity sensors"
section).
Fluctuations in measured
value
Interference on signal output cable Check cable routing, route cable separately if
necessary.
Interference potential in medium Eliminate source of interference or ground medium
as close as possible to sensor.
Interference on measuring cable Connect cable shield as per wiring diagram.
No current output signal Cable disconnected or shortcircuited Disconnect cable and measure directly at device.
Output defective See "Device-specific errors" section.
Fixed current output
signal
Current simulation active Switch off simulation.
Incorrect current output
signal
Total load in current loop too high Measure the load and reduce it to the permitted
value if necessary (--> Technical data, Operating
Instructions "Commissioning").
EMC (interference coupling) Check wiring. Identify and eliminate cause of
interference.
Problem Possible cause Tests and/or remedial measures

Diagnostics and troubleshooting Liquistation CSF48
8Endress+Hauser
Oxygen measurement
Problem Possible cause Tests and/or remedial measures
Display value - - - -
Sensor failure Test with new sensor
Sensor cable disconnected Check cable or cable extension.
Incorrect sensor connection Check the connection at input module (--> BA
"Commissioning", "Wiring" section).
Electronics module defective Replace the module.
No change or subtle
change in display
– Sensor fouled
– Sensor old (membrane)
• Clean the sensor.
• If necessary:
– Change electrolyte, change membrane cap
(amperometric sensor)
– Change fluorescence cap (optical sensor)
Constant, incorrect
measured value
Device in impermissible operating
condition (does not respond when
key pressed)
Switch off device and switch it on again.
Measured value too low
Membrane fouled Clean or replace cap
Electrolyte exhausted or
contaminated
Change electrolyte
Anode coating worn Repolarize sensor
Black anode coating Regenerate sensor in factory
Measured value too high
Air pocket under membrane Clean sensor, optimize installation where necessary
Polarization not complete Wait until polarization time elapses (--> Technical
data in sensor operating manual)
Implausible measured
value
Incorrect temperature measurement Check/correct value.
Incorrect altitude setting Incorrect calibration
Reset and repeat calibration.
Incorrect air pressure
Incorrect temperature
value
Incorrect sensor connection Check the connection at input module (--> BA
"Commissioning", "Wiring" section).
Temperature sensor defective Replace sensor
Fluctuations in measured
value
Interference on signal output cable Check cable routing, route cable separately if
necessary.
Interference potential in medium Eliminate source of interference or ground medium
as close as possible to sensor.
No current output signal Cable disconnected or shortcircuited Disconnect cable and measure directly at device.
Output defective See "Device-specific errors" section.
Fixed current output
signal
Current simulation active Switch off simulation.

Liquistation CSF48 Diagnostics and troubleshooting
Endress+Hauser 9
Chlorine measurement
Incorrect current output
signal
Total load in current loop too high Measure the load and reduce it to the permitted
value if necessary.
EMC (interference coupling) Disconnect both output cables and measure directly
at device.
Problem Possible cause Tests and/or remedial measures
Display value - - - -
Sensor failure Test with new sensor
Sensor cable disconnected Check cable or cable extension.
Incorrect sensor connection Check the connection at input module (--> BA
"Commissioning", "Wiring" section).
Electronics module defective Replace the module.
Slope too low Sensor was in chlorine-free water or
in air.
Short conditioning over (not in!) chlorine bleach,
wait for adjustment time in water to elapse before
calibration.
Values do not match the
DPD control measurement
Measurement is performed without
pH compensation while DPD
measurement is always buffered to
pH 6.3.
Measure the chlorine value with pH compensation
DPD measured value far
too high
Organic chlorination agents
(possibly also only used temporarily
or for shock chlorination). In this
instance, no correlation between
actual free available chlorine, DPD
measurement and amperometric
measurement. DPD value up to 5
times too high.
Use free (gaseous) chlorine or chlorine from
inorganic chlorine compounds.
Chlorine value too high
Membrane defective Replace membrane cap
Polarization not complete Wait for the polarization time to elapse
Alien oxidizing agents Analyze medium
Shunt in chlorine sensor Replace sensor
Chlorine value too low
Measuring chamber not closed Refill and carefully screw closed
Air bubble outside in front of
membrane
Remove air bubble, select a better installation
position if possible
Air bubble inside membrane Refill and screw closed so that it is air-free
No change or subtle
change in display
Sensor fouled Clean sensor
Sensor old Replace sensor
Sensor defective (ref. lead) Replace sensor
Problem Possible cause Tests and/or remedial measures

Diagnostics and troubleshooting Liquistation CSF48
10 Endress+Hauser
Turbidity and nitrate measurement
Constant, incorrect
measured value
Sensor does not immerse properly
or protection cap not removed
Check installation position, remove protection cap
Air pockets in assembly Check assembly and orientation
No current output signal Cable disconnected or shortcircuited Disconnect cable and measure directly at device.
Output defective See "Device-specific errors" section.
Fixed current output
signal
Current simulation active Switch off simulation.
Incorrect current output
signal
Total load in current loop too high Measure the load and reduce it to the permitted
value if necessary (--> Technical data, Operating
Instructions "Commissioning").
EMC (interference coupling) Check wiring. Identify and eliminate cause of
interference.
Problem Possible cause Tests and/or remedial measures
Display value - - - -
Sensor failure Test with new sensor
Sensor cable disconnected Check cable or cable extension.
Incorrect sensor connection Check the connection at input module (--> BA
"Commissioning", "Wiring" section).
Electronics module defective Replace the module.
No change or subtle
change in display
Sensor fouled Clean the sensor.
Constant, incorrect
measured value
Device in impermissible operating
condition (does not respond when
key pressed)
Switch off device and switch it on again.
Implausible measured
value
Sensor not calibrated or incorrectly
calibrated
Calibration with original sample might be necessary
for concentration or solids content.
Sensor fouled Clean sensor
Sensor installed in "dead zone" or air
pocket in assembly or flange
Check installation position, move sensor to area that
receives good flow. Pay attention when mounting in
horizontal pipes
Incorrect sensor orientation Align sensor:
•Normalmedia:
Direct flow to measuring window
• For high solids content:
Align measuring window at angle of 90˚to flow
Incorrect temperature
value
Incorrect sensor connection Check the connection at input module (--> BA
"Commissioning", "Wiring" section).
Temperature sensor defective Replace sensor
Problem Possible cause Tests and/or remedial measures