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About this manual This manual describes all the tasks you must perform for maintenance, diagnostics and troubleshooting. A description of the following is provided here: • Maintenance • "Diagnostics" menu – Diagnostics list – Logbooks – System information – Sensor information –...
Users must decide whether the process conditions present require calibration during initial commissioning. Additional calibration is not required in many standard applications. Calibrate the sensors at sensible intervals depending on the process. All information on calibration is provided in BA451C "Calibration". Endress+Hauser...
Refer to the assembly operating manual for information on servicing and troubleshooting the assembly. The assembly operating manual describes the procedure for mounting and disassembling the assembly, replacing the sensors and seals, and contains information on the material resistance properties, as well as spare parts and accessories. Endress+Hauser...
Operation logbook Configuration events (Yes) Version logbook All events Hardware version logbook All events Data logbook Data logbooks 150,000 Debugging logbook Only accessible with the special 1000 activation code (Service) Data in brackets means this depends on the overall logbook Endress+Hauser...
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• Furthermore, you can also define a cursor. If you select this option, you can move along the graph with the navigator and view the logbook entry (data stamp/measured value) in text form for every point in the graph. Endress+Hauser...
This code changes on account of changes to the hardware and you can enter the new code you received from the manufacturer here To find out what device version you have, enter the order code in the search screen at the following address: www.products.endress.com/order-ident Endress+Hauser...
Extreme conditions to which the sensor has been exposed up to now, e.g. min./max. temperatures • Operating time Operating time of the sensor under defined extreme conditions • Calibration information Calibration data of the last calibration • Sensor specifications Measuring range limits for main measured value and temperature Endress+Hauser...
This menu appears once for each measuring input. Channel : parameter Sim. main value Options If you simulate the measured value, this is indicated on the • On display by a simulation icon in front of the measured value. • Off Factory setting Endress+Hauser...
Factory default Options Restart with factory settings • OK Settings that have not been saved are lost. • ESC Power supply Display • Supply Voltage 1V2 • Supply Voltage 3V3 • Supply Voltage 12V5 • Supply Voltage 24V • Temperature Endress+Hauser...
The cause of the problem is to be found outside the measuring point. • Message text If you contact the Service Department, please cite the message number only. Since you can individually change the assignment of an error to an error category, the Service Department cannot use this information. Endress+Hauser...
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• No error current at the current output Depends on the message Error current Options Decide whether an error current should be output at the • On current output if the diagnostic message display is activated. • Off Factory setting Depends on the message Endress+Hauser...
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Output values and status of the channel are on hold Internal error Internal device error Update the software Software incomp. Contact the Service Department Replace the backplane (E+H Service) Internal error Electr. module Electronics module defective Replace the module Contact the Service Department Endress+Hauser...
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Reset to default Factory reset is performed Param. active --> Wait for configuration to be finished Diag. active --> Wait for maintenance to be finished Writing backup --> Wait for the write process to be finished Reading backup --> Wait Endress+Hauser...
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Redundancy: limit value of percentage deviation exceeded CO2 conc. range concentration (degassed conductivity) outside the measuring range pH calc range pH calculation outside the measuring range rH calc range rH calculation outside the measuring range Dual cond range Dual conductivity outside the measuring range Endress+Hauser...
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Internal software error. Contact Service Department Temp. sensor P, C, O, I, Cl Temperature sensor defective Replace sensor Sensor electr. Sensor electronics defective Replace sensor Sensor connect. Check sensor connection Contact the Service Department Initialization Wait for initialization to be finished Endress+Hauser...
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Temp. offset low All except U Check temperature sensor Replace sensor Temp. Calib All except U Calibration alarm: Limit values for temperature slope exceeded Temp. slope low All except U Sensor old or defective Repeat calibration Replace sensor Endress+Hauser...
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Poor sensor power supply Check sensor connection Replace sensor Sensor calib. O (opt.) Limit values for sensor relaxation time (fluores- cence decay time) exceeded/undershot Sensor calib. O (opt.) Reasons: high oxygen content, incorrect calibration Repeat calibration Replace sensor cap Replace sensor Endress+Hauser...
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Coil transmission current too high Reasons: transmission coil short-circuit, inductance too low Replace sensor Contact the Service Department Sensor check C (ind.) Coil transmission current too low Reasons: transmission coil interrupted, inductance too high Replace sensor Contact the Service Department Endress+Hauser...
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Select other data record Use factory calibration Contact the Service Department Install.factor C (ind.) Installation factor exceeded/undershot, alarm Reason: distance between wall and sensor too Install.factor C (ind.) small (< 15 mm) Check pipe diameter Clean sensor Calibrate sensor Endress+Hauser...
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Operating time O (opt.) Operating hours > 40 μS Operating time O (amp.) Operating hours > 10 nA (COS51D) Operating time O (amp.) Operating hours > 30 nA (COS22D) Operating time O (amp.) Operating hours > 40 nA (COS51D) Endress+Hauser...
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Check sensor, replace if necessary Check calibration solution, replace if necessary Repeat calibration Sensor calib. P, O, I, Cl Max. zero point warning Sensor calib. P, O, I, Cl Min. zero point warning Endress+Hauser...
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Process conductivity above/below concentration table Process conduc. – Process value outside specification – Incomplete table --> Extend table Process concent. Process concentration above/below concentra- tion table Process concent. – Process value outside specification – Incomplete table --> Extend table Endress+Hauser...
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Check measuring chain Change sensor type Process value N, T, S Measured value outside specified range Reasons: sensor in air, air pockets in assembly, incorrect flow to sensor, sensor defective Increase process value Check measuring chain Change sensor type Endress+Hauser...
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Check cable, replace if necessary Measurement fail Incorrect measurement Reasons: Defective electrode, electrode does not suit setting, electrode in air Check settings Check electrode type Immerse electrode in medium Replace membrane cap Calib. req. Electrode change --> Calibration required Endress+Hauser...
Eliminate source of interference or ground medium as value close as possible to sensor. Cable disconnected or short-circuited Disconnect cable and measure directly at device. No current output signal Output defective See "Device-specific errors" section. Fixed current output signal Current simulation active Switch off simulation. Endress+Hauser...
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(does not respond when key pressed) Incorrect temperature sensor wiring Check connections on basis of wiring diagram; three-wire connection always required. Incorrect temperature value Measuring cable defective Check cable for disconnection, short-circuit, shunt. Incorrect sensor type configured Set correct temperature sensor type. Endress+Hauser...
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Electronics module defective Replace the module. No change or subtle change – Sensor fouled • Clean the sensor. in display – Sensor old (membrane) • If necessary: – Change electrolyte, change membrane cap (amperometric sensor) – Change fluorescence cap (optical sensor) Endress+Hauser...
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Check the connection at input module (--> BA, Part 1 "Wiring"). Electronics module defective Replace the module. Slope too low Sensor was in chlorine-free water or in Short conditioning over (not in!) chlorine bleach, wait air. for adjustment time in water to elapse before calibration. Endress+Hauser...
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Tests and/or remedial measures Temperature value always – Temperature sensor not connected – Check temperature sensor and replace where 20 ˚C or incorrect or connected incorrectly necessary – Temperature sensor defective – Replace the cable – Cable to temperature sensor defective Endress+Hauser...
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Eliminate source of interference or ground medium as value close as possible to sensor. Cable disconnected or short-circuited Disconnect cable and measure directly at device. No current output signal Output defective See "Device-specific errors" section. Fixed current output signal Current simulation active Switch off simulation. Endress+Hauser...
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Set gas bubble threshold to 100 % Cable disconnected or short-circuited Disconnect cable and measure directly at device. No current output signal Output defective See "Device-specific errors" section. Fixed current output signal Current simulation active Switch off simulation. Endress+Hauser...
If error diagnostics are not clear, also return the sensor and cable (also cleaned) when returning the transmitter. Disposal The device contains electronic components and must therefore be disposed of in accordance with regulations on the disposal of electronic waste. Please observe local regulations. Endress+Hauser...
• Ceramic junction and KCl liquid electrolyte • Order depending on version, see Technical Information (TI079C/07/en) Ceragel CPS71D • pH sensor with Memosens technology • Twin-chamber reference system and integrated bridge electrolyte • Order depending on version, see Technical Information (TI245C/07/en) Endress+Hauser...
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• For low-conductivity media, with liquid KCl electrolyte • Order depending on version, see Technical Information (TI352C/07/en) Tophit CPS491D • ISFET sensor with Memosens technology • Open aperture junction for media with high potential for fouling • Order depending on version, see Technical Information (TI377C/07/en) Endress+Hauser...
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• Membrane-covered amperometric sensor for free available chlorine • Memosens technology • Measuring range 0.01 to 20 mg/l • Order as per product structure, see Technical Information (TI419C/07/en) 4.4.8 Ion-selective sensors ISEmax CAS40D • Ion-selective sensors • Order as per product structure, see Technical Information (TI491C/07/EN) Endress+Hauser...
4.5.2 Software and activation codes SD card with Liquiline firmware • Industrial Flash Drive, 1 GB • Order No. 71127100 Activation code for 2 digital sensor inputs • Order No. 71114663 Activation code for digital HART communication • 71128428 Endress+Hauser...
Spare parts Spare parts a0012840 Abb. 1: Exploded view Please refer to the table on the next page for the names of the spare parts and their order numbers. Endress+Hauser...
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• Instructions for spare parts kit CM44x M12 socket 71107456 • 6-pin, complete with cables Kit CM44x: cover KS field housing cpl. with display 71104106 • Cover KS field housing cpl. with display • Display cable • Instructions for spare parts kit CM44x Endress+Hauser...
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Kit CM44x: set of hinges 71107454 • 10 pcs No graphic CDI plug-in connector with counter nut M20x1.5 51517507 Buffer battery for backplane, only to be replaced by Endress+Hauser Service Electronics module backplane, only to be replaced by Endress+Hauser Service Endress+Hauser...
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