SystemAir SAVE VTR 300/B - Trouble Shooting

9.4Troubleshooting
Awarningtrianglewithtextinthedisplayindicatesanalarm.Turnmenuselectortothewarningtriangle
andpressconrmtwicetoviewthealarm.
Ifproblemsshouldoccur,pleasechecktheitemsbelowbeforecallingyourservicerepresentative.
Malfunction
Action
Fansdonotstart
1.Checkthedisplayforalarms.
2.Checkfuseformainpowersupplyinthedistributionboxforthebuilding
andallthequickconnectorsareconnectedintheunit(quickconnectors
forsupplyandextractairfans).
3.CheckthattheweekprogramisinONmode.Theweekprogrammightbe
inOFFmodewiththefanspeedsettoOFF(chapter6.6)
4.Checkifoneofthedigitalinputs1–3(DI1–3)isactiveandsettooff.This
wouldforceoneorbothfanstostopdependingonthesetup(chapter8.5).
Reducedairow1.Checkthedisplayforalarms.
2.Checksettingoffanspeedinthecontrolpanel(chapter6.1.1).
3.Checkweekprogram(chapter6.6).
4.Checkifoneofthedigitalinputs1–3(DI1–3)isactiveandsettooff.This
wouldforceoneorbothfanstostopdependingonthesetup(chapter8.5).
5.Checklters.Changeofltersrequired?
6.Checkdiffuser/louveropenings.Cleaningofdiffusers/louvresrequired?
7.Checkfansandheatexchangeblock.Cleaningrequired?
8.Checkifthebuildingsairintakeandroofunit(exhaust)havebeenclogged.
9.Checkvisibleductrunsfordamageand/orbuildupofdust/pollution.
Theunitcannotbe
controlled
(controlfunctionsare
stuck)
1.Resetcontrolfunctionsbypullingoutthemainpowersupplyplugfor
20-30seconds.
2.Checkthemodularcontactconnectionbetweenthecontrolpaneland
themainprintcard.
SAVEVTR300/BInstallationandService
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SystemairAB