Samsung WA48H7400AW/A2 - 4-2. CORRECTIVE ACTIONS FOR EACH CHECK CODE

Troubleshooting _ 21
Check Type For USA Causes Remarks
Door Check
DC
- AswitchcontactCheckbecauseofadeformationofthedoor
hook.
- When the door is pulled by force.
When the door is not
opened after the door
open operation.
- This occurs in the Boil wash because the door is pushed due
to a pressure difference from internal temperature changes.
When the door is not
lockedafterthedoor
close operation.
DC1
- Thedoorlockswitchterminalisconnectedincorrectly.
- Thedoorlockswitchterminalisbroken.
- Thisoccursintermittentlybecauseofanelectricwireleakage
- Main PCB fault.
DC2
-ThisoccursifthePowerswitchisturnedon/off
continuallyandtoomuchheatisgenerated(This
checkisdifculttobereproduced.)
Heater Check
HC
HC1
HC2
- The washing heater is short-circuited or has a wire
disconnected.
- ThewashingheaterinthetubhasanCheck.
(ContactCheck,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.
- The drying heater is short-circuited or has a wire disconnected.
If the heater has no
Check,thisoccurs
becauseofaPBArelay
malfunction.
Water Leakage
Check
LC
LC1
- Heaterengagementfault.(outofplace)
- Theairhoseisoutofplaceandwaterleakageoccursduring
the spin cycle.
- Thetubbackatthesafetyboltsxingpartisbroken.
- Waterleakageoccursatthefrontwithfoamingbecauseoftoo
much detergent.
- Waterleakageoccursbecausetheconnectinghosetothe
detergent drawer is connected incorrectly.
- Thedrainpumpltercoverisengagedincorrectly.
- Waterleakageoccursatthedrainhose.
- The duct condensing holding screws are worn.
- The nozzle-diaphragm is engaged in the opposite direction or
therubberpackagingisomitted.
- Waterleakageoccursbecausethescrewsthatholdthetub
backandfrontinplacearefastenedincorrectly.
- Theleakagesensorisfaulty.
OverowCheck OC
- Water is supplied continually because the water level detection
doesnotwork.
- Because the drain hose is clogged and there is an injection
Check(atanarrowsection),thewaterleveldetectiondoesnot
workandwaterissuppliedcontinually.
- Water is supplied continually because of freezing or because
there is foreign material in the water supply valve.
- ThisCheckmayoccurwhenthewaterlevelsensoris
degraded.
ThisCheckoccurs
because the water
level sensor terminal is
out of place.
Temperature
Sensor Check
TC1
TC2
- ThewashingheatersensorinthetubhasanCheck.
(ContactCheckortemperaturesensorfault)
- The connector is connected incorrectly or is disconnected.
- If the water level sensor operates without water because the
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 sensor fault
: When the connector
is connected
incorrectly or has a
wire disconnected or
contactCheck
TC4 - IPM temperature is abnormally high.
Unbalance
Check
UB
- AslaundrycausesthisCheck,checkthelaundry.
- Find the reason for the unbalance and solve it as directed in
the user manual.