Daikin FBQ125D_RZQSG125L9V [25/52] Error codes when performing a test run
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Daikin FBQ125D_RZQSG125L9V [25/52] Error codes when performing a test run

Daikin FBQ100D_RZQSG100L9V [25/52] Error codes when performing a test run
7Commissioning
Installerreferenceguide
25
RZQG71~140L_V1+Y1+RZQSG100~140L_V1+Y1
Splitsystemairconditioners
4P3855221–2014.08
# Action
2 Closetheservicecovertopreventelectricshocks.
3 TurnONpowerforatleast6hoursbeforestarting
operationtoprotectthecompressor.
4 Ontheuserinterface,settheunittocoolingoperation
mode.
2 Startthetestrun.
# Action Result
1 Gotothehomemenu.
Cool
Set to
Cool
28°C
2 Pressatleast4seconds. TheServiceSettingsmenu
isdisplayed.
3 SelectTestOperation.
Return Setting
Service Settings 1/3
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
Group Address
4 Press. TestOperationis
displayedonthehome
menu.
Cool
Return Setting
Test Operation
5 Presswithin10seconds. Testrunstarts.
3 Checkoperationfor3minutes.
4 Checkoperationoftheairflowdirection.
# Action Result
1 Press.
Return Setting
Return Setting
Air Volume/direction
Air Volume Direction
Position 0
Low
2 SelectPosition0.
Return Setting
Return Setting
Air Volume/direction
Air Volume Direction
Low
Position 0
3 Changetheposition. Iftheairflowflapofthe
indoorunitmoves,
operationisOK.
Ifnot,operationisnotOK.
4 Press.
Thehomemenuis
displayed.
5 Stopthetestrun.
# Action Result
1 Pressatleast4seconds.
TheServiceSettingsmenu
isdisplayed.
2 SelectTestOperation.
Return Setting
Service Settings 1/3
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
Group Address
3 Press. Theunitreturnstonormal
operation,andthehome
menuisdisplayed.
7.5 Errorcodeswhenperforminga
testrun
Iftheinstallationofthe outdoor unit has NOT been done correctly,
thefollowingerrorcodesmaybedisplayedontheuserinterface:
Errorcode Possiblecause
Nothingdisplayed
(thecurrentlyset
temperatureisnot
displayed)
▪ The wiring is disconnected or there is a
wiring error (between power supply and
outdoor unit, between outdoor unit and
indoor units, between indoor unit and
userinterface).
▪ The fuse on the outdoor unit PCB has
blownout.
E3,E4orL8 ▪ Thestopvalvesareclosed.
▪ Theairinletorairoutletisblocked.
E7 Thereisamissingphaseincaseofthree
phasepowersupplyunits.
Note:Operationwillbeimpossible.Turn
OFFthepower,recheckthewiring,and
switchtwoofthethreeelectricalwires.
L4 Theairinletorairoutletisblocked.
U0 Thestopvalvesareclosed.
U2 ▪ Thereisavoltageimbalance.
▪ There is a missing phase in case of
threephase power supply units. Note:
Operation will be impossible. Turn OFF
thepower,recheckthewiring,andswitch
twoofthethreeelectricalwires.
U4orUF Theinterunitbranchwiringisnotcorrect.
UA Theoutdoorandindoorunitare
incompatible.
NOTICE
▪ Thereversedphaseprotectiondetectorofthisproduct
only functions when the product starts up.
Consequently reversed phase detection is not
performedduringnormaloperationoftheproduct.
▪ Thereversed phaseprotection detectorisdesigned to
stop the product in the event of an abnormality when
theproductisstartedup.
▪ Replace two of the three phases (L1, L2, and L3)
duringreversephaseprotectionabnormality.

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