Samsung AC012TXQLEC handleiding

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English

Appendix

Troubleshooting

Thetablebelowlisttheself-diagnosticroutines.Forsomeoferrorcodes,youmustcontactanauthorized

servicecentre.

Ifanerroroccursduringtheoperation,itisdisplayedontheoutdoorunitPCBLED,bothMAINPCBand

INVERTERPCB.

1 E108

Errorduetoduplicatedcommunicationaddress Checkonrepeatedindoorunitmainaddress

2 E121

Erroronroomtemperaturesensorofindoorunit(Short

orOpen)

IndoorunitRoomThermistorOpen/Short

3 E122

ErroronEVAINsensorofindoorunit(ShortorOpen) IndoorunitEVA_INThermistorOpen/Short

4 E123

ErroronEVAOUTsensorofindoorunit(ShortorOpen) IndoorunitEVA_OUTThermistorOpen/Short

5 E153

Erroronfloatswitch(2nddetection)

IndoorunitFloatSwitchOpen/ShortDrainPump

operationCheck

6 E154

Indoorfanerror CheckonindoorunitindoorFanoperation

7 E198

Erroronthermalfuseofindoorunit(Open) ThermalFuseOpenCheckofindoorunitTerminalBlock

8 E201

Communicationerrorbetweentheindoorunitand

outdoorunit(Pre-trackingfailureorwhentheactual

numberofindoorunitsaredifferentfromtheindoorunit

quantitysettingontheoutdoorunit)

Errorduetocommunicationtrackingfailureafterinitial

powerissupplied(Theerroroccursregardlessofthe

numberofunits.)

Checkindoorquantitysettinginoutdoor

9 E202

Communicationerrorbetweenindoorunitandoutdoor

unit(Whenthereisnoresponsefromindoorunitsafter

trackingiscompleted)

Checkelectricalconnectionandsettingbetweenindoor

unitandoutdoorunit

10 E203

Communicationerrorbetweentheoutdoorunitand

mainmicom(ForPF#4to#6controllers,errorwillbe

determinedfromthetimewhenthecompressoristurned

on.)

Checkelectricalconnectionandsettingbetweenoutdoor

unitMAINPBA-INVERTERPBA

11 E221

Erroronoutdoortemperaturesensor(ShortorOpen) CheckOutdoorsensorOpen/Short

12 E231

ErroronoutdoorCONDOUTsensor(ShortorOpen) CheckCond-OutsensorOpen/Short

13 E251

Errorondischargetemperaturesensorofcompressor1

(ShortorOpen)

CheckDischargesensorOpen/Short

14 E320

ErroronOLPsensor(ShortorOpen) CheckOLPsensorOpen/Short

15 E403

Compressordownduetofreezeprotectioncontrol CheckOutdoorCond.

16 E404

Systemstopduetooverloadprotectioncontrol CheckComp.whenitstarts

17 E416

Systemstopduetodischargetemperature -

18 E422

Blockagedetectedonhighpressurepipe

1.Checkiftheservicevalveisopen

2.Checkforrefrigerantleakage(pipeconnections,heat

exchanger)andchargerefrigerantifnecessary

3.Checkifthere'sanyblockageontherefrigerantcycle

(indoorunit/outdoorunit)

4.Checkifadditionalrefrigeranthasbeenaddedafter

pipeextension

19 E425

Reversephaseoropenphase Checkwhether3phaseisreversedoropened.

Appendix

Appendix

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