Endress+Hauser Liquistation CSF48 Manual de usuario

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

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