Emerson Micro Motion 9739 MVD - Flow problems

Troubleshooting
Table10-2Statusalarmsandrecommendedactions continued
AlarmcodeDescriptionCauseRecommendedactions
A121
Concentration
measurement:
extrapolationalarm
•Verifyprocessconditions.
•Verifythecongurationofthe
concentrationmeasurementapplication.
A132
Simulationmode
active
Simulationmodeis
enabled.
•Noactionrequired.
•Disablesensorsimulation.
A133
PICUIEEPROMerror
Thetransmitterdisplay
isnotfunctional.
•ContactMicroMotion.
A141
DDCtrigger(s)have
completed
N/A
DensityFDcalibration
inprogress
•Allowtheproceduretocomplete.
N/A
Density1stpoint
calibrationinprogress
•Allowtheproceduretocomplete.
N/A
Density2ndpoint
calibrationinprogress
•Allowtheproceduretocomplete.
N/A
Density3rdpoint
calibrationinprogress
•Allowtheproceduretocomplete.
N/A
Density4thpoint
calibrationinprogress
•Allowtheproceduretocomplete.
N/A
Mechanicalzero
calibrationinprogress
•Allowtheproceduretocomplete.
N/A
Flowisinreverse
direction
•Noactionrequired.
10.3Flowproblems
Table10-3Flowproblemsandrecommendedactions
ProblemPossiblecausesRecommendedactions
Steadynon-zeroow
rateunderno-ow
conditions
•Misalignedpiping(especiallyinnew
installations)
•Openorleakingvalve
•Badsensorzero
•Verifycharacterizationparameters.
•Iftheowreadingisnotexcessivelyhigh,
zerothemeter.(Zeroingwithahighfalse
owreadingcanresultinazerofailure.)
•Checkforopenorleakingvalvesor
seals.
•Checkformountingstressonthesensor
(e.g.,sensorbeingusedtosupport
piping,misalignedpiping).
•ContactMicroMotion.
184
MicroMotion9739MVDTransmitters