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Troubleshooting

Instruction Manual AquaScat 2 P

11838E/2

Troubleshooting

9.1.

Pinpointing the cause of a malfunction

DETECTABLE
MALFUNCTION

MEASURES

No reading.

Check whether the service voltage is connected.



Sec-

tion 5

Check whether the fine-wire fuse in the instrument is
OK.



Section 9.2

Fault report in the display.

Analyze the error message.



Section 9.3

The measuring value ap-
pears wrong.

Make sure there are no air bubbles in the sample.
Counterpressure may help.



Section 4.4.1

Ensure that the sample to be measured corresponds to
the operating conditions.



Section 2.4

Perform adjustment.



Section 8.5

Check whether the photometer is correctly mounted.



Section 4

Ensure that the maintenance work has been performed
according to the servicing schedule.



Section 8.1

Clean measuring cell.



Section 8.7

If the listed measures do not result in the desired results, please consult with customer se r-
vice.



Section 10

9.2.

Replace fine-wire fuse

WORKSTEP

PROCEDURE

Interrupt the service voltage to the pho-
tometer.



Section 5

Loosen the five screws and remove the
front cover.

Содержание AquaScat 2 P

Страница 1: ...Document number 11838E Version 2 Valid from V 126 Instruction Manual AquaScat 2 P Turbidimeter with closed flow cell...

Страница 2: ...T PHOTOMETER AG subject to technical changes without notice 4 2018 SIGRIST PHOTOMETER AG Hofurlistrasse 1 CH 6373 Ennetb rgen Switzerland Tel 41 41 624 54 54 Fax 41 41 624 54 55 info photometer com ww...

Страница 3: ...luation 12 4 2 Mechanical mounting of the photometer 12 4 3 Mounting the docking station 14 4 4 Mounting the sample connections 14 4 5 Mounting the optional flow meter 15 5 Electrical installation 16...

Страница 4: ...leshooting 55 9 1 Pinpointing the cause of a malfunction 55 9 2 Replace fine wire fuse 55 9 3 Warning and error messages 56 10 Customer service information 60 11 Decommissioning storage 61 12 Packagin...

Страница 5: ...sheet Descriptions and technical data about the photometer 11840E Service Manual Repair and conversion instructions for ser vice engineers 11888DEF AquaScat 2 P declaration of conformity Compliance w...

Страница 6: ...ns resulting in serious material damage and death Warning about bodily injury or hazards to health with long term effects Non observance of this warning may lead to injuries with possible long term ef...

Страница 7: ...ails document 11888DEF 1 11 Use restrictions Explosion hazard during operation in an inappropriate environment It is not permitted to operate the instrument in explosion hazardous areas or rooms It is...

Страница 8: ...sory parts Photometer with closed measuring cell Section 2 3 2 4 Sample outlet Section 4 4 Flow regulator customer side Drain hose customer supply Non return valve type customer supply and according t...

Страница 9: ...the AquaScat 2 P The photometer is fitted with a rating plate Figure 2 Rating plate on the AquaScat 2 P Manufacturer Country of origin Product name Serial number Date of manufacture Service voltage Fr...

Страница 10: ...f Instructions German 11841D English 11841E French 11841F PCS ART NO NAME VIEW VARIANT 1 120159 Flow meter with connections D 16 mm Section 2 1 1 120161 Flow meter with limit switch Connections D 16 m...

Страница 11: ...odule 1 119081 Ethernet cable for fixed installation IP66 2 4 Technical data TURBIDITY MEASUREMENT VALUES Measuring principle Scattered light measurement Measurement span 0 100 FNU Sample media Water...

Страница 12: ...n 15 Weight Approx 3 6 kg Protection degree IP65 Maximum operating altitude 3 000 m above sea level for instruments which are not oper ated with low voltage mains relays Ambient temperature 0 50 C Amb...

Страница 13: ...e responsibility of the customer Before commissioning clarify the following points Clarify the position of the On Off switch and the way it works Where and how the sample supply can be stopped Who the...

Страница 14: ...t apply excessive pressure to the touchscreen touch lightly with your fingertip Do not use pointed objects for manipulations on the touchscreen Use of aggressive chemicals Do not use aggressive chemic...

Страница 15: ...mbols on the instrument Users must ensure that they observe the safety measures as specified in the Instruction Man ual at all times when working with the instrument and its peripheral equipment The f...

Страница 16: ...rors and can permanently damage the unit The photometer and peripheral equipment should be easily accessible to facilitate in spection and maintenance work Make sure that the photometer is not exposed...

Страница 17: ...mounted mounting bracket 2 1 Position the photometer on the pre mounted mounting bracket Figure 3 2 and pay attention to the two positioning pins arrows see picture 2 2 Screw the photometer onto the m...

Страница 18: ...the hoses must be secured with clamping straps Two weeks after mounting all the connections must be checked for leakage to avoid any air suction In order to ensure an accurate measurement of the turb...

Страница 19: ...al accessory part All hose junctions have to be secured with hose clamps The sealing of the junctions should be checked about 2 weeks after installation to ensure that no air can be pulled in SIGRIST...

Страница 20: ...ument has no main switch a suitable disconnection device switch plug should be installed near the service voltage It must be designated and easily ac cessible The instrument box must not be charged wi...

Страница 21: ...nections as de scribed in Section 5 3 3 When the installation is completed assemble the photometer in the reverse order Carefully mount the front cover and fasten with the five screws Damage to the th...

Страница 22: ...e the instrument is charged with voltage immedi ately after being connected The cable lengths must be selected keeping in mind that the instrument will be mounted on the docking station Figure 5 Posit...

Страница 23: ...ARKS 1 1 2 3 Output 1 relay contact 1 The relay outputs can be freely con figured Section 7 11 2 4 5 6 Output 2 relay contact 2 3 18 19 Current output 1 4 20 21 Current output 2 5 22 23 Connection for...

Страница 24: ...gulations for electrical installations must be observed at all times Figure 6 Optionalpower unit open Cable to photometer 24 VDC Indicator lamp Terminal screws Cable from mains 100 240 VAC Life threat...

Страница 25: ...MINAL DESIGNATION IN THE MAINS DEVICE CABLE COLOR TERMINAL DESIGNATION IN THE PHOTOMETER FUNCTION 24 V Brown 8 24V 24 VDC RTN Blue 9 GND Ground Protective ground Yellow green 7 Protective ground Prote...

Страница 26: ...If malfunctions oc cur please refer to Section 9 WORKSTEP PROCEDURE 1 Check the sampling system for the correct sample feed and then open the sample feeding Section 4 4 1 2 Check the flow rate Sectio...

Страница 27: ...Set current outputs Section 7 8 7 Set limits Section 7 9 8 Configure flow meter if present Section 7 10 9 Set outputs 1 2 relay out puts Section 7 11 10 Setting the date and time Section 7 12 11 Enter...

Страница 28: ...jects Use only slight pressure to perform manipulations on the touchscreen Do not use chemicals or solvents to clean the touchscreen The AquaScat 2 P has a touchscreen It is operated by touching with...

Страница 29: ...Figure 8 Graphic representation of the measuring values Graphic representation of the measuring values The measuring values can be rec orded from 3 minutes to 32 days and are graphically represented...

Страница 30: ...en appears Figure 9 Functions of the Log display Cursor shows the time position which is represented at pos 4 The cursor position can be changed ei ther by briefly touching with your finger tip or by...

Страница 31: ...nfo button When you press the Info button a general overview of the settings and configurations of the photometer appears Page 1 Figure 10 Info menu Information about the current out puts standard I1...

Страница 32: ...Instruction Manual AquaScat 2 P Operation 28 11838E 2 Page 2 Figure 11 Info screen page 2 Contact information Display of up to 5 pending fault messages...

Страница 33: ...P 11838E 2 29 7 3 Activating and deactivating the screen lock 1 Press the lock icon top left 2 Within one second press the button bot tom right Depending on the initial state the lock icon changes as...

Страница 34: ...um measuring range no measuring value is displayed but ra ther is displayed Status line In measuring operation the status line is green and shows the date and time Interface information Top left Logge...

Страница 35: ...ng applies in service operation The measuring values remain on the last values on the digital interfaces Depending on the configuration the current outputs go to 0 4 mA or remain on the last measuring...

Страница 36: ...ages Main menus Instrument specific menus of the photometer Next page Go to previous page Meas button Touching this button switches the instrument to measuring operation Menu button Touching this butt...

Страница 37: ...nter value 2 Select SI prefix Function n 10 9 u 10 6 m 10 3 k 103 M 106 G 109 Numerical entry Deletes one digit of the displayed value C Clears the displayed value ESC Touching the ESC field causes th...

Страница 38: ...entry Pressing a selection item saves the configuration and completes the entry Figure 15 Example of single selection The multiple selection is identifiable on the OK button bottom right The currentl...

Страница 39: ...ton 2 Set the access code and confirm with OK Factory setting is 0 3 Use the down arrow key to select the sec ond page 4 Press the Configuration button to access language selection 5 Press language fi...

Страница 40: ...ct C1 Turb source For Inactive the current output is switched off 6 Select range MR1 MR8 see table below for range definition In 1 In 2 Auto 1 Auto 2 Reference Manual 7 Press the Meas button Instrumen...

Страница 41: ...ory setting is 0 3 Press the Limits button 4 Select limit 1 2 5 Select source 6 Define mode The following selection is available Off limit monitor of this chan nel is deactivated Exceeded limit active...

Страница 42: ...eded Figure 17 Diagram of exceeded limit Measuring value Upper threshold value Lower threshold value Time Limit active Limit passive LIMIT If a limit event occurs during operation it has the following...

Страница 43: ...tton 2 Set the access code and confirm with OK Factory setting is 0 3 Press the Inp outputs button 4 Press the Inputs button 5 Select Input 1 6 Activate input functions External and In vert 7 Press th...

Страница 44: ...onfirm with OK Factory setting is 0 3 Press the Inp outputs button 4 Press the Outputs button 5 Select Output 1 2 button 6 Activate output functions multiple selection possible When completed press OK...

Страница 45: ...ion button 5 Press the down arrow key 6 To enter the time press the currently dis played time at the Time menu item and en ter the new time with the number pad Confirm entry with OK The time must be e...

Страница 46: ...max 6 digits 7 Press the Meas button Instrument again in measuring opera tion A forgotten access code can be cleared only by a SIGRIST service engineer Enter your access code 7 14 Back up configured d...

Страница 47: ...WHO WHAT PURPOSE Annually or if humidity warning Operator Change desiccant Sec tion 8 4 Obligatory measure for maintaining the measuring accuracy and for protecting the electronics Interval de pends...

Страница 48: ...rvicing 44 11838E 2 8 2 Fasten photometer to docking station Figure 18 Photometer fastened to docking station Photometer Docking station Knurled screw for fastening the photometer Mounting bracket for...

Страница 49: ...til the measuring cell empties 2 Fasten photometer to the docking station 2 1 Remove the photometer Figure 18 1 from the measuring position and place on the docking station Fig ure 18 2 Pay attention...

Страница 50: ...ting clip and remove optics unit 3 1 Use a little force to push the red fuse in the direction of the arrow picture 1 and at the same time lift the mounting clip picture 2 Picture 1 Picture 2 3 2 Press...

Страница 51: ...Support Measuring cell plate WORKSTEP PROCEDURE 1 Interrupt the sample supply to the photometer 2 Remove sample connections and wait until the measuring cell empties 3 Remove measuring cell unit and...

Страница 52: ...g cell unit to the optics unit 5 1 Mount the measuring cell unit again on the optics unit and lock with the mounting clips Pay attention to the guide pins arrows 5 2 Fasten the measuring cell unit by...

Страница 53: ...he fold out Figure 20 is available in the Appendix to assist you when performing servicing duty WORKSTEP PROCEDURE 1 Interrupt the sample supply to the photometer 2 Remove sample connections and wait...

Страница 54: ...Align the groove D to the pin C 2 Press and hold the release device A and guide the checking unit onto the cam B 3 Release the release device A 3 3 Re insert the measuring cell plate Figure 20 4 with...

Страница 55: ...instrument re ports with Adjustment OK If the adjustment was not successful it is indicated with Adjustment fault In this case check the points in the following list one after the other Cleanliness of...

Страница 56: ...ues are found rinse the concerned components with clean water Use com mercially available dishwashing liquid if needed 8 7 Clean the closed measuring cell Damage to instrument due to aggressive cleani...

Страница 57: ...ing cell plate Figure 20 4 5 Clean the inside of the measuring cell arrow with a cotton cloth Clean the measuring cell window with cotton tipped applicators and alco hol 6 Fasten the instrument again...

Страница 58: ...ve screws arrows and remove the front cover 3 Remove the old battery and replace with a new one circle The battery is built into the front cover on the connection print AQ2Conn 4 Carefully mount front...

Страница 59: ...he sample Counterpressure may help Section 4 4 1 Ensure that the sample to be measured corresponds to the operating conditions Section 2 4 Perform adjustment Section 8 5 Check whether the photometer i...

Страница 60: ...x key 5 The instrument can now be operated again 9 3 Warning and error messages 9 3 1 Warning messages and effect on operation WARNING If a warning occurs during operation it has the fol lowing effect...

Страница 61: ...maximum permitted humidity value in the measuring cell housing has been exceeded Replace desiccant WATCHDOG The internal error monitoring has been actuated The program has been restarted Program cras...

Страница 62: ...e analogue channels is disturbed Defect in the electronic system Service technician LED1 FAILURE The detectors receive no light from the LED for the scattered light measurement Defective light source...

Страница 63: ...rror text describes what the prioritized fault is about Example PRIO DEFAULT VALUES The following faults and prio messages can be displayed PRIO MESSAGE DESCRIPTION POSSIBLE CAUSES DEFAULT VALUES The...

Страница 64: ...ress A current list of all SIGRIST country representatives is available in the Internet at www photometer com Please have the following information ready when you contact a SIGRIST service point or cu...

Страница 65: ...otometer and remove electrical connections 2 Interrupt the sample feeding and remove the inlet hose and drain hose 3 All surfaces which come into contact with the sample must be thoroughly cleaned 4 R...

Страница 66: ...ials can enter the instrument The photometer contains optical and electronic components Make sure that the packaging protects the instrument from being damaged by impact during transport All periphera...

Страница 67: ...ERIALS DISPOSAL POSSIBILITIES Packaging Cardboard wood paper Reuse as packaging material local dis posal points incineration plant Protective foils polystyrene shells Reuse as packaging material recyc...

Страница 68: ...low ART NO ARTICLE NAME REMARKS 111391 Desiccant bag 30 g Section 8 4 117442 Fuse microfuse 250 V 2 AT RM5 Section 9 2 111834 Battery 3V CR 2032 button battery Section 0 Table 3 Spare parts and articl...

Страница 69: ...uring cell plate with control unit Figure 20 Overview of the closed measuring cell Checking unit Cam for fastening the checking unit Screw cap for the fastening of the measuring cell plate Measuring c...

Страница 70: ...Instruction Manual AquaScat 2 P Appendix 65 11838E 2 66...

Страница 71: ...dix Instruction Manual AquaScat 2 P 11838E 2 67 15 2 Servicing log Servicing log Serial number First commissioning Remarks Adjustment value Recalibr 1 Completed servicing duties Date Initials Before A...

Страница 72: ...Instruction Manual AquaScat 2 P Appendix 67 11838E 2 68...

Страница 73: ...Appendix Instruction Manual AquaScat 2 P 11838E 2 69...

Страница 74: ...16 Fine wire fuses replace 55 Flow control 47 49 Flow meter 15 Flow rate monitoring 19 Fuses replace 55 I Info button 27 Initial start up 22 Internet 60 L Limits definition 38 M Main switch 16 Mains...

Страница 75: ...Technical data 7 Terms glossary ii Transport 62 U Use restrictions 3 V Valve 14 W Warning symbols on the instrument 11 Warnings 56 Water flow rate 14 Web user interface 22 What to do in an emergency...

Страница 76: ...SIGRIST PHOTOMETER AG Hofurlistrasse 1 CH 6373 Ennetb rgen Switzerland Tel 41 41 624 54 54 Fax 41 41 624 54 55 info photometer com www photometer com...

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