User manual SAMSUNG DV5471AEP TROUBLE SHOOTING GUIDE

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SAMSUNG DV5471AEP TROUBLE SHOOTING GUIDE: Download the complete user guide (2942 Ko)

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Manual abstract: user guide SAMSUNG DV5471AEPTROUBLE SHOOTING GUIDE

Detailed instructions for use are in the User's Guide.

[. . . ] Error Display tE Action Taken Check for: The Termistor resistance is very - Clogged lint screen. Runningthedryerwithdoor open Invalid door state for more than 256 milliseconds Invalid state of key circuit short for 30 secs Check for: - Close the door, and run the dryer - Loose or open wire terminals in Door Sense circuit. Check for: - Display PCB key circuit short or not Trigger HE dE dF bE2 FE Check for: Invalid power source Frequency - Not using regular power source frequency - Invalid power frequency sense circuit Electronic Control Problem (OverVoltageError) Electronic Control Problem (CommunicationError) Invalid state of Eeprom communication Check for: - Check PCB and Wire harness. [. . . ] How to Enter: To enter cycle count mode press the Wrinkle Prevent in Service Mode. Software Version Mode Definition of Software Version Mode: It is to retrieve its software version How to Enter: At Service Mode, press Temp until it sends out a beeping sound ex)Incaseof"U005", U0meansmajorversion"U0"05meansminorversion"05" If press Temp key In Software Version Mode, it will return Service Mode. 3 ALIGNMENT AND ADJUSTMENTS WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. Data Display Mode Definition of Temperature Display Mode: - DisplayMode0:Temperaturedata(Celsius) Display Mode 1 : Average Touch Sensor data for 1 minute - DisplayMode2:AverageTemperature(Celsius)datafor1minute How to Enter: - WithPowerOn, pressAdjustUpKey+AdjsutDownKeyfor7secondsuntilitsendsouta beeping sound . If not pressed any keys for 5 minutes, it will be set back from Data Display Mode - IfpressingAdjustUpKeyinthismode, DisplayModeIDwillbeincreased. If pressing AdjustDown Key in this mode , Display Mode ID will be decreased. · Converting °C °F Celsius(°C) Fahrenheit(°F) -30 -22 -10 14 10 50 30 86 50 122 70 158 F =9/5C + 32 System Check Mode Definition of System Check Mode: "t2"willdisplay. - SystemCheckMode(t2mode)ProgressFunctionPerformedStart/Pause Motor(CW)RelayOnHeaterRelayOnHeaterRelayOff, Motor(CW)RelayOff How to Enter: WhileinPowerOff, pressingtheDryLevel+Powerkeyssimultaneouslywillputthedryerinto the System Check mode 4 ALIGNMENT AND ADJUSTMENTS WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. TROUBLE DIAGNOSIS As the micom dry machine is configured of the complicate structure, there might be the service call. Below information is prepared for exact trouble diagnosis and suitable repair guide. Caution for the Repair and Replacement Please follow below instruction for the trouble diagnosis and parts replacement. 1) As some electronic components are damaged by the charged static electricity from the resin part of dryer or the human body, prepare the human body earth or remove the potential differenceofthehumanbodyanddryerbycontactingthepowersupplyplugwhenthework contacting to PCB is executed. 2) As the P. C. B assembly is designed for no trouble, do not replace the P. C. B assembly by the wrong diagnosis and follow the procedure of the trouble diagnosis when the micom is not operated normally. 5 TROUBLE SHOOTING WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. No Problem What To Do · · · · 1 Will Not Start or Run · · · · · · · · · · · · · · 5 Blows fuses or trips circuit breaker (Gas Model) All wires are hooked up to their corresponding terminals. Doorswitchfunctional. . . doorclosed. Checkforerrorcode3(See Tableforcodedefinition). Check motor winding resistance: 2. 88ohms between pin #3 and 4, 3. 5ohms between pin #4 and 5. DuringignitionthedryerwilldrawXamps. WiththeburnerON, the dryer will draw X amps. If the dryer is drawing amperages above this, then the house wiring, fuse box or circuit breaker is suspected to be at fault. Drive motor winding shorting to ground. 2 Motor runs/ tumbler will not turn Runs a few minutes and then stops 3 4 Blows fuses or trips circuit breaker · · · 6 Will not heat (motor runs) Openheatingelement. When the dryer is operated on a heat setting, the igniter should be energizedandburnershallfirewithin45secondsat120VAC. The failure of a component in this system will usually be indicated by one of three symptoms: 6 7 Will Not Dry Gas Model Poor Gas Ignition TROUBLE SHOOTING WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. No Problem What To Do If the igniter does not heat up, remove power and using an ohmmeter, check the following: · Openflamesensor The igniter does not · Openigniter 8 glow · Shorted booster coil · Openwiring · Badmotorswitch(Neutralsupply) · Nopowerfromcontrol(L1supply) If the igniter heats up but the main burner flame is not ignited, remove power and using an ohmmeter, check the following: Igniter glows - No gas · Opensecondarycoil 9 ignition · Openholdingcoil · Openwireharness · Stuckflamesensor(Stuckclosed) If a normal ignition takes place and after a short while the flame goes out, check for the following: · Radiantsensorcontactsopeningprematurely. The gas is ignited but 10 · Weak gas valve coil may open when stressed by higher Temps. the flame goes out · Weak Hi-Limit · Poor venting · Bad drum seals · Lint filter is not clean. [. . . ] 3. CN1 AC Power Port Door Detection Sensor Motor Switch Sensor - RY5 MotorRelaySwitch - RY6 Heater Relay Switch Sensor Bars & temperature sensor check Sensor Bars - Disconnect harness and test Pink wirePin4toOrangewirePin5. Approxwithoutlaundry Approx190±10%withwetclothes Cycling Thermostat - Disconnect harness and test BluewirePin3toRedwirePin6. Approx10Kat25°C/77°F 10 TROUBLE SHOOTING WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before servicing, unless testing requires power. 3-WIRE system connections A. [. . . ]

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