Technical data
Operation
13
8. TROUBLESHOOTING
Symptom Cause Remedy
Unitdoesnot
operate
Powersupplyisoff Checkandconfirmthatthecaravanmain
powerisswitchedon.ChecktheACswitch
andthesafetycircuitbreakeronthecaravan.
Alltheseshouldbeswitchedon.
Powerinterruption Toprotectitselffromdamage,theunitmay
switchoff(returntostandby)ifpoweris
momentarilyinterrupted.Ensurethatthe
caravanisconnectedtoacleanpowersupply
withinthespecifiedpoweroperatingrange
beforeattemptingtorestarttheunit.
Remotecontrolnot
working
Remotecontrolinstructionsareconfirmedbya
beepandthepowerLEDblinkingonce.There
isashortdelaybetweenacommandbeing
sentandtheunitresponding.Ensurethat
theremotecontrolispointedtowardstheair
distributionunitfromadistancelessthan8m.
Replacethebatteriesifnecessary.
Exteriorfan
changes
speed.
Thespeedofthe
exteriorfanchanges
orswitchesoff
occasionally
Theexternalfanisadjustedbasedonsystem
andambientconditions.Wherepossible,the
exteriorfanwillswitchtolowspeedforless
disturbancetoyouandyourneighbours.In
heatingmode,theexteriorfanmayswitchoff
periodicallytoallowcondensatetodrainaway
Poor
performance
Blockedcondenser Checkthatthecondenser(ontherooftop)is
notblockedwithdust,leavesorrubbish.Clean
ifneccesary.
Blockedfilter Inspecttheindoorairfilterontheinnerairdistri-
butionunit.Cleanorreplaceifnecessary.
Outsideofoperating
temperature
Usewithinoperatingtemperaturerangeand
followguidelinesinsection3.1
Compressor
cutsordoes
notstart.
Thesystemhas
anumberof
inbuiltprotection
mechanisms
toprotectthe
compressorfrom
operatingoutsideits
designlimits
Ensurethattheunitisbeingusedwithinit’s
operatingtemperaturerange.Refertothe
technicaldatafordetailsoftheoperating
rangesinsection3.1.










