Samsung WA48H7400AW/A2 - Page 29

Troubleshooting _ 27
Symptom Check Code Countermeasure Troubleshooting Procedure Measurement Picture
HeaterCheck
►HC HC1
• Disconnectionwire • Heaterfalut • Wash-thermistorfault
• Checkforconnectionbetweenwireand
heater.
• Ifwashheaterisfaulty,replaceit.
- RefertheTYPE1
• Ifitisnotprobleminheater,replacewash-
thermistor - RefertheTYPE2
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Temperature SensorCheck
►TC1 TC2 TC3 TC4
•Washingtemperature
sensor fault
•Drytemperaturesensor
fault
•Faultyandincorrect connections of the dry condensing sensor •MainPCBfault •Freezinginthewinter
season
•IPMtemperatureis
abnormally high.
•Checktheconnectionsforthewashing
heater temperature sensor connector.
•Ifthewashingheatertemperaturesensorhas afunctionalerror,replaceit. -ATC1checkoccurs. •Checktheconnectionsforthedryheater temperature sensor connector. •Ifthedryheatertemperaturesensorhasa functionalcheck,replaceit. -ATC2checkoccurs.
-
PowerCheck
►UC (9C1/9C2)
•Powerconditionfault. •Ancheckoccurswhen
under or over voltage is supplied.
•plugreceptacleisused •MainPBAfault
(sometimes)
•Checktheconsumer’spowerconditions. :Makesuretochecktheoperatingvoltage. •Connectatestertotheinternalpower
terminals during the Boil or Dry operations andobservethewashingmachine’s operation carefully.
:Checkthevoltages.(Acheckoccurswhen
underorovervoltageissupplied.)
:Checkwhetheraplugreceptacleis
used.Whentheconnectingwireis1m,a momentary low voltage may drop up to 10 V
•MainPBAfault(sometimes)
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