30 _ Troubleshooting
No.
Information
Type
Information
Code
Causes Corrective Actions
5 Communication AC
- ThesignalsbetweenthesubandmainPBAsare
notsensedbecauseofacommunicationserror.
- Checktheconnectorconnectionsbetweenthesub
andmainPBAscarefully.→Checkforincorrector
looseconnections,etc.
- RemovethesubPBAC/Panelandcheckforany
faultysoldering.
•MainPCBandSubPCBSignal
Detectionfault
•MainPCBandSubPCBwire
connectionfault
6
SWITCH
(Mainrelay)
BC2
- AbuttonotherthanthePowerbuttoniscontinually
pressed(formorethan30seconds).
- Deformationofaninternalplasticinjectionpart.
- AscrewforassemblingthesubPBAistightened
toomuch.
•WhenpressedPowerbutton
•Whenpressedbuttonexcept
forpowerbutton
•MainPCBrelayfault
7 COOLING CC
- Whenthetemperatureofthewashingisgreater
thanorequalto55℃,Appearswhendonotdrain.
(reason:WhenhotwaterdrainageCancause
burnsifittouchesthebody)
- Whenthewatertemperatureismorethan55℃ in
aparticularcourse,proceedsthedrainuntilreset
waterlevel
- Temperaturesensorfault,orincorrectuse.
•Washingtemperaturesensor
check
•DescriptionPLAccident
prevention
8 DOOR
dC
- Aswitchcontacterrorbecauseofadeformationof
thedoorhook.
- Whenthedoorispulledbyforce.
- ThisoccursintheBoilwashbecausethedooris
pushedduetoapressuredifferencefrominternal
temperaturechanges.
- S/WcontactfaultbecauseofLIDTC“L”
transformation.
•Doorlockswitchfault
•Drainpumpfault
•Dryductfanmotorfault
•MainPCBfault
dC1
- Thedoorlockswitchterminalisconnected
incorrectly.
- Thedoorlockswitchterminalisbroken.
- Thisoccursintermittentlybecauseofanelectric
wireleakage.
- MainPCBfault
dC2
- ThisoccursifthePowerswitchisturnedon/off
continuallyandtoomuchheatisgenerated(This
errorisdifculttobereproduced.)
9 HEATER
HC - Thewashingheaterisshort-circuitedorhasawire
disconnected.
- Thewashingheaterinthetubhasanerror.
(Contacterror,temperaturesensorfault)
- Ifthewaterlevelsensoroperateswithoutwater
becausewaterisfrozenorforanyotherreason
andthetemperaturesensorengagedatthe
bottomtopreventoverheatingforthewashing
heaterdetectsatemperatureof100to150˚C,the
washingmachineturnstheinputpoweroff.
•Heaterfault
•Redtemperaturesensoratthe
centerofthedryheater
•Steamfunctionfault
•Freezingbywinterseason
HC1
HC2
- Thiserroroccurswhentheredtemperaturesensor
atthecenterofthedryheateroperates(ata
temperaturehigherthan145˚C)
:Correctiveaction–Pressthebuttonatthecenter
lightly.
Thewashingmachinewilloperatenormally.
Alternatively,replacethetemperaturesensor
ifthetemperaturesensingisunstablebecauseof
functionaldegradation.
WW22N6850NX-A2_SM.indb 30 2018/2/1 17:15:49