HM3Humidier
7Faulttracing
SymptomCorrectiveaction
ServicealarmindisplayServicethehumidieraccordingtotheinstructions.Orderanewevaporativepadwhennecessary.
LowhumiditylevelMakesurethatthehumidierisoperatingandthattheevaporativepadiswetoveritsentiresurface.
RedAlarmlampisashingAlarmtextindisplay.Rectifyifpossible,orcontactMunters.ThealarmisresetintheHMIunderMain
index>Globalfunctions>Alarmhandling.
Nopowersupplytothe
humidier
Doacheckofthepowerconnection.
Watercontinuouslyleaks
fromthehumidier
Thewaterlevelistoohigh.Switchoffthehumidier,verifythatthepowersupplyhasbeenturnedoffand
removetheevaporativepad.Doacheckofthelevelswitchfunction.
Theevaporativepadisnot
properlywetted
Makesurethatthewatersupplytothepadisworking,andthatpumpinlet,hoseordistributionheaderare
notblocked.Makesurethepadisnotcloggedwithscalingordirt.Itisrecommendedtoreplacethepadat
leastonceayear.
Thefandoesnotworkor
worksveryslowly
Makesurethattherequiredhumidityand/ortemperaturesettingissethigherthanthecurrentambient
value.Increasethefansetting.
SplashingMakesurethattheevaporativepadiswetoveritsentiresurface.Seealsosection
6.3,Maintenanceprocedure.
Table7.1Faulttracinglist
33FaulttracingTEN-HM3-B1506