Kamstrup MULTICAL 603 - 15 Troubleshooting

MULTICAL®603

KamstrupA/S∙Technicaldescription∙5512‐2029_A1_GB_06.2017
153

15 Troubleshooting
MULTICAL

603hasbeenconstructedwithaviewtoquickandsimpleinstallationaswellaslongandreliableoperation
attheheatconsumer.
Shouldyou,however,experienceanoperatingproblem,thetablebelowcanbeusedfortroubleshooting.
Shouldit benecessary  torepairthe meter,it isrecommendedonly
toreplacebattery, temperaturesensors and
communicationmodules.Alternatively,thewholemetershouldbereplaced.
MajorrepairsmustbemadebyKamstrupA/S.
Beforesendingusametertoberepairedorchecked,pleaseusetheerrordetectiontablebelowtohelpyouclarify
thepossiblecauseoftheproblem.
Symptom
 Possible reason Proposalforcorrectio n
Nodisplayfunction(empty
display)
Powersupplymissing Changebatteryorcheckmainssupply.
Doesthesupplyplugprovide3.6VDC?
Noenergyaccumulation(e.g.
MWh)andvolume(m
3
)
Read“INFO”inthedisplay Checktheerrorindicatedbytheinfo
code(seeparagraph7.7)
If“INFO”=00000000 Checkthattheflowdirectionmatches
thearrowontheflowsensor.
If“INFO”=xXxxxxxx,xxXxxxxxor
xXXxxxxx.
Consultthe“INFO”overview(paragraph
7.7)andcheckthetemperaturesensors.
Ifdefective,replacethesensorpair.
Accumulationofvolume(m
3
)but
notofenergy(e.g.MWh)
Read“INFO”inthedisplay “INFO”=x99xxxxxmeansinvalid
temperaturedifference(t1 ‐t2)
Inletandoutletsensorshavebeen
interchangedineitherinstallationor
connection
Mountthesensorscorrectly
Heat/coolingcut‐off
hc
hasbeen
configuredtoatoolowvalue
Reconfigure
hc
atasuitablevalue,or
configure
hc
at250°C,thereby
disconnectingthecut‐offfunction. 
Incorrectaccumulationof
volume(m
3
)
Faultyconfigurationofpulsefigure Checkthatthepulsefigureontheflow
sensormatchesthecalculator.
Incorrecttemperaturereading Defectivetemperaturesensor
Insufficientinstallation
Replacesensorpair
Checktheinstallation
Temperatureindicationalittle
toolow,oraccumulationof
energy(e.g.MWh)slightlytoo
low
Badthermalsensorcontact
Heatdissipation
Tooshortsensorpockets
Makesurethatthesensorsarepushedto
thebottomofthesensorpockets
Insulatesensorpockets
Replacebylongerpockets
Theopticalinterfacedoesnot
respond.
Opticalinterfacedisabled

Opticalreadoutheadispositioned
incorrectly
Seetheheartbeatandstatusindication
inparagraph6.

Turntheopticalreadoutheadsothatthe
cableturnsupwards.