Emerson Micro Motion 9739 MVD

Troubleshooting
Table10-2Statusalarmsandrecommendedactions continued
AlarmcodeDescriptionCauseRecommendedactions
A012
Calibrationtoohigh
Mechanicalzero:
correspondswithhigh
forwardow—the
resultingzerowas
greaterthan3μs
Temperature/Density
calibration:many
possiblecauses
•Verifythatthereisnoowthroughthe
sensor,thenretrytheprocedure.
•Cyclepowertothemeter,thenretrythe
procedure.
A013ZerotoonoisyMechanicalzero:
Unstablevalueexists
•Removeorreducesourcesof
electromechanicalnoise(e.g.,pumps,
vibration,pipestress),thenretrythe
procedure.
•Cyclepowertothemeter,thenretrythe
procedure.
A014
Transmitterfailed
Manypossiblecauses
•Cyclepowertothemeter.
•ContactMicroMotion.
A016Linetemperature
out-of-range
Thevaluecomputed
fortheresistance
oftheLineRTDis
outsidelimits
•Checkthesensorwiring.SeeSection
10.27.1.
•Verifyprocessconditions.
•ContactMicroMotion.
A017MeterRTD
temperature
out-of-range
Thevaluecomputed
fortheresistanceof
theMeter/CaseRTD
isoutsidelimits
•Checkthesensorwiring.SeeSection
10.27.1.
•Verifyprocessconditions.Temperature
shouldbebetween–200°Fand+400°F.
•Verifycharacterizationparameters.
•ContactMicroMotion.
A018
EEPROMchecksum
error
•Cyclepowertothemeter.
•ContactMicroMotion.
A019
RAMorROMtesterror
•Cyclepowertothemeter.
•ContactMicroMotion.
A020
Calibrationfactors
unentered
Theowcalibration
factorand/orK1has
notbeenenteredsince
thelastmasterreset.
•Verifycharacterizationparameters.
A021IncorrectsensortypeThesensoris
recognizedasa
straighttubebutthe
K1valueindicatesa
curvedtube,orvice
versa.
•Verifycharacterizationparameters.
180MicroMotion9739MVDTransmitters