HM 1400 TRX Total Mercury Analyser - Webshop, Gas Analysis ...

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12. Appendix: Error messages and their elimination7. "Volume flow too low / too high"Description: Violation of lower/upper volume flow range limit valueCauses: • Volume flow limit values incorrectly programmed Elimination: • Check/correct limit value input• Volume flow setting on measuring device altered • Check actual value on measuring device, correct with regulating valve ifnecessary• Obstruction of sampling probe/sampling line (dust concentration influe gas > 50 mg / m 3 , even if these concentrations only occur over aperiod of approx. 30 minutes)• Check system for leaks• Particle protection filter at measuring gas input of Hg photometersoiled• Replace particle protection filter (round filter) on Hg photometer• Maintenance requirement for vacuum pump (M2) • Replace wearing parts on vacuum pump8. "System pressure too low / too high"Description: Violation of lower/upper system pressure range limit valueCauses: • Differential pressure nozzle obstructed Elimination: • Clean differential pressure nozzle• Volume flow error • See error elimination under 7• Energy supply for absolute pressure transducer (B3) interrupted • Activate automatic cutout F7 (find cause of F7 tripping), test miniaturefuse on power supply module (T1) (red LED must illuminate) and replaceif necessary9. "Threshold value exceeded"Description: Limit value violation, threshold value limit exceededCauses: • System-related increase in Hg concentration (operator) Elimination: • Eliminate system-related causes (operator)• Soiling of gas duct components • Locate component(s) at fault and clean if necessary10. "Condensate in monitor"Description: Moisture indicated by sensor contacts in condensate monitor and status message from level controller (condensate detector) (A4) to PLCCauses: • Energy supply for condensate detector (A4) interrupted Elimination: • Activate automatic cutout F7 (find cause of F7 tripping), test miniature fuseon power supply module (T1) (red LED must illuminate) and replace ifnecessary• Gas sample cooling (gas drying) is not operating correctly • See error elimination under 4• Condensate hose pump not operating or condensate hose oncondensate pump damaged• Activate automatic cutout F6 (find cause of F6 tripping), check functioningof hose pump, replace condensate pump hose if necessary84 HM 1400 TRX
12. Appendix: Error messages and their elimination11. "Condensate container full"Description: Level sensor in condensate receptacle sends status message to PLCCauses: • Condensate receptacle is full Elimination: • Empty condensate receptacle• Level sensor defective • Check level sensor (floating contact should move freely), replace levelsensor if necessary12. "Zero offset drift too large"Description: Zero point offset values between 2 zero checks > 3%Causes: • Extremely soiled sampling system Elimination: • Clean (purge) sampling system• Gas sample cooling (gas drying) not operating correctly,condensation in gas duct and particularly in Hg photometer• See error elimination under 4 and 10(Clean quartz glass windows in Hg photometer,clean measuring and reference cuvettes if necessary)13. "Service request"Description: A maintenance interval has been reachedCauses: • The device has been operating without maintenance of 6 months Elimination: • Request service visit for maintenanceFurther information for operationDescription: Calibration value is not reachedCauses,counter-measures:• The measuring instrument must be checked for leaks from the sampling onwards by gradually closing the gas path. AThe criterion for an assessment as freeof leaks is a system pressure of 500 mbar, including at the fittings for the hoses carrying sample gas. In any case, the wearing parts of the sample gas pump(structure diaphragm, valve plates, sealing rings) should also be checked and replaced. In rare cases, leaks can also occur in the heated sampling system(sampling probe, sampling line), particularly at the connecting points.In the event of an error it is advisable to inform the device manufacturer / supplier.85 HM 1400 TRX
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Translation of original operating i
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Table of contents5.4.5 Condensate .
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0. Foreword0 ForewordThe purpose of
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1. General1 GeneralWe hope that our
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1. General1.3 Limitation of liabili
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HM 1400 TRXTotal Mercury Analyser02
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2. SafetyGeneral warning symbolElec
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2. SafetySafety shoesto protect aga
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2. Safety2.7 Hazard from chemicalsC
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2. Safety• Knowledge of system co
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Page 56 and 57: 7. OperationFigure 7.4 The Main men
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Page 78 and 79: 11. Appendix:Maintenance11 Appendix
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Page 88 and 89: Designation Order no. Order no.Incl
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Page 104 and 105: 15. Index15 Index3-W-V 59Accidents
Page 107 and 108: 16. DURAG GROUP company addresses16
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