Samsung WW90T534DAW - Page 34

Troubleshooting _ 31
No. Information Type
Information
Code
Causes Corrective Actions
5 Communication AC
- ThesignalsbetweenthesubandmainPBAsarenot
sensedbecauseofacommunicationserror.
- Checktheconnectorconnectionsbetweenthesub
andmainPBAscarefully.→Checkforincorrector
looseconnections,etc.
- RemovethesubPBAC/Panelandcheckforanyfaulty
soldering.
•MainPCBandSubPCBSignal
Detectionfault.
•MainPCBandSubPCBwire
connectionfault.
6
SWITCH
(Mainrelay)
BC2
- AbuttonotherthanthePowerbuttoniscontinually
pressed(formorethan30seconds).
- Deformationofaninternalplasticinjectionpart.
- AscrewforassemblingthesubPBAistightenedtoo
much.
•WhenpressedPowerbutton.
•Whenpressedbuttonexceptfor
powerbutton.
•MainPCBrelayfault.
7 COOLING CC
- Whenthetemperatureofthewaterisgreaterthanor
equalto55℃,thiscodeappearswhenthemachine
doesnotdrain.(reason:Itisunsafeforhotwaterto
drainasmayburniftouched).
- Temperaturesensorfault,orincorrectuse.
•Washingtemperaturesensor
check.
•DescriptionPLAccident
prevention.
8 DOOR
dC
- Aswitchcontacterrorbecauseofadeformationofthe
doorhook.
- Whenthedoorispulledbyforce.
- Thisoccursinthehotwashesbecausethedooris
pushedduetoapressuredifferencefrominternal
temperaturechanges.
- S/WcontactfaultbecauseofLIDTC“L”transformation.
•Doorlockswitchfault.
•Drainpumpfault.
•Dryductfanmotorfault.
•MainPCBfault.
dC1
- Thedoorlockswitchterminalisconnectedincorrectly.
- Thedoorlockswitchterminalisbroken.
- ThisoccursduetoLowinsualtionofthewiringassy
- MainPCBfault
dC2
- ThisoccursifthePowerswitchisturnedon/off
continuallyandtoomuchheatisgenerated(Thiserror
isdifculttobereproduced.)
9 HEATER
HC - Thewashingheaterisshort-circuitedorhasawire
disconnected.
- Thewashingheaterinthetubhasanerror.(Contact
error,temperaturesensorfault)
- Ifthewaterlevelsensoroperateswithoutwater
becausewaterisfrozenorforanyotherreasonand
thetemperaturesensorengagedatthebottomto
preventoverheatingforthewashingheaterdetects
atemperatureof100to150˚C,thewashingmachine
turnstheinputpoweroff.
•Heaterfault.
•Redtemperaturesensoratthe
centerofthedryheater.
•Steamfunctionfault.
•Freezingbywinterseason.
HC1
HC2
- Thiserroroccurswhentheredtemperaturesensorat
thecenterofthedryheateroperates(atatemperature
higherthan145˚C)
:Correctiveaction–Pressthebuttonatthecenter
lightly.
 Thewashingmachinewilloperatenormally.
Alternatively,replacethetemperaturesensorifthe
temperaturesensingisunstablebecauseoffunctional
degradation.