Azbil Corporation Maintenance and TroubleshootingModel MGG10C/14C - MagneW FLEX+/PLUS+ Converter 5-11Errors at startupWhen a problem occurs at start-up, perform the procedures listed in the followingtable. If the problem persists, the flowmeter may be damaged and you should contacttechnical support. (For technical support, contact an Azbil Corp. sales representativein your area.)Table 5-1 Startup ErrorsSymptom Check Points and TreatmentNo display after power on. • Check the converter power supplyspecification and ensure that the powersupply being supplied meets theserequirements.• Make sure the ambient temperature isnot below -25 °C (13 °F).No output after power-on. • Verify that the signal line is correctlyconnected.Communication can not be done. • Check the switch position.Refer to theFigure 2-15.• Check if the wiring is properlycompleted.• Check if the SFC is properlyconnected.• Check if the S/W version of the SFCis Ver.7.0 or later.• Check if the HART communicatoris 375. Check if the DD file isdownloaded.No pulse output. • Check the wiring of the pulse outputloop.• Check the receiving devicespecifications. (pulse width,frequency, voltage drop).• Check if the pulse output is opencollector type or Drive counter.Output remains 0mA. • Verify that power source and powersupply voltage.• Verify the wiring. Refer to the Figure2-15.
