AlarmExplanation
Dothefollowing
Rotor
Indicatesarotormalfunction.
Thealarmisdisplayedinthecontrolpanel.
•Iftherotatingheatexchangerhasstopped.Check
therotorbelt.Seechapter9.5
•Iftheheatexchangerisstillrotating,checkthatthe
quickconnectorforthesensorisconnectedand
thatthereisanairgapof5-10mmbetweenthe
sensorandthemagnet.
Adjustthegapifnecessary.
Ifthealarmpersists,therotorsensormaybefaulty.
Contactyourinstallationcompanyorplaceof
purchase.
PbFailErrorinconnectionwithrelay
cardfortheelectricalre-heater(if
installedandactivated).
Theoverheatprotectionsensor,
automaticreset(ET2)maybe
triggeredduetohightemperature.
Thealarmisdisplayedinthecontrolpanel.
Theheaterwillnotbeactivated.
FortriggeredET2,wait10–15min.Iftheerror
remains,contactyourinstallationcompanyorplace
ofpurchase.
Temp
Malfunctioninoneormoreofthe
temperaturesensors.
Thealarmisdisplayedinthecontrolpanel.
Contactyourinstallationcompanyorplaceof
purchase.
Filter
Timeforlterchange.
Thealarmisdisplayedinthecontrolpanel.
Changelteraccordingtoinstructionsintheuser
guide.
9.5Replacingrotordrivebelt
Danger
•MakesurethattheMainssupplytotheunitisdisconnectedbeforeperforminganymaintenanceor
electricalwork!
Warning
Riskofpersonalinjury!Theheatexchangerweighsabout14kg.Thereisariskthattheheatexchanger
fallsoutoftheunit.
Makesurethatsmallchildrenarenotbeneaththeunitwhentheheatexchangerisremoved!
IfthealarmRotorisraised,seechapter9.4.1,therotordrivebeltmaybedamagedorbroken.
SAVEVTR300/BInstallationandService
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SystemairAB