Samsung DV431AEP/XEU Technical Information Download Page 10 | Manualshive

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10

TROUBLE SHOOTING

WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to dryer before
servicing, unless testing requires power.

Sensor Bars & temperature sensor check

Sensor Bars -

Disconnect harness and test Pink

wire Pin 4 to Orange wire Pin 5.
Approx ∞ Ω without laundry
Approx 190Ω ± 10% with wet clothes

Cycling Thermistor -

Disconnect harness and test

Blue wire Pin 2 to Red wire Pin 6.
Approx 10 KΩ at 25 °C/77 °F

(Technical)DV431AEP-02365F-01_EN.indd 10

2012-04-27 �� 10:22:53

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Summary of Contents for DV431AEP/XEU

Page 1: ...ence and knowledge at a level generally considered acceptable in the appliance repair trade Any attempt to repair a major appliance may result in personal injury and property damage The manufacturer or seller cannot be responsible nor assume any liability for injury or damage of any kind arising from the use of this data sheet Due to possibility of personal injury or property damage always contact...

Page 2: ... in Door Sense circuit dF Invalid door state for more than 256 milliseconds Check for Loose or open wire terminals in Door Sense circuit bE2 Invalid state of key circuit short for 30 secs Check for Display PCB key circuit short or not FE Invalid power source Frequency Check for Not using regular power source frequency Invalid power frequency sense circuit AE Electronic Control Problem Communicatio...

Page 3: ...ar touch data mode Dryer will display Sensor Bar data Cycle Count Mode Definition of Cycle Count Mode This mode is to bring up the total number of cycles that User have carried out How to enter Press the Mixed Load Bell DV431 orTime DV231 key in Service Mode Software Revision Mode Definition of Software Revision Mode It is to retrieve its software version How to enter At Service Mode press Temp un...

Page 4: ...nds until it sends out a beeping sound If not pressed any keys for 5 minutes it will be set back from Data Display Mode If pressing AdjustUp Key in this mode Display Mode will be incresed If pressing AdjustDown Key in this mode Display Mode will be decresed Definition of Data Display Mode Display Mode 1 Temperature data Display Mode 2 Average Touch Sensor data for 1 minute Display Mode 3 Average T...

Page 5: ...differ ence of the human body and dryer by contacting the power supply plug when the work 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 ALIGNMENT AND ADJUSTMENTS WARNING To avoid risk of electrical shock personal injur...

Page 6: ...s the motor protector normal If above points are not found the PCB assembly is out of order Replace it 5 Blows fuses or trips circuit breaker Gas Model During ignition the dryer will draw X amps With the burner ON 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 Igniter harness loose and shorted to...

Page 7: ...ion in exhaust Outside exhaust hood damper door stuck closed Exhaust too long too many elbows flex ductwork installed Poor intake air available for the dryer Incorrect tumbler speed Tumbler belt slipping Blower impeller bound check for foreign material in blower area Customer overloading dryer Check clothing labels for fabric content and cycle selected Clothes too wet due to insufficient spin out ...

Page 8: ...resistance 10 Ω If resistance is infinity replace Heater Measure resistance of the following terminal 1 Door switch open Terminal COM NC 1 3 1Ω Terminal COM NO 1 2 Ω 2 Door switch push On Terminal COM NC 1 3 Ω Terminal COM NO 1 2 1Ω Belt Cut off S W Lever open Resistance value 1Ω Lever push Resistance value Ω Lamp resistance 80 100 Ω Violet gray Motor Electronic GAS Contacts Contact closed Centrif...

Page 9: ... infinite replace Radiant sensor Igniter 101D Resistance value 40 400 Ω If resistance is infinite replace Igniter Gas Valve 25M01A Valve 1 2 Resistance value 1 2K Ω Valve 1 3 Resistance value 0 5K Ω Valve 4 5 Resistance value 1 2K Ω If resistance is infinity replace Valve Thermostat 60T21 Hi Limit 230F 50F Resistance value 1 Ω If resistance is infinity replace Thermostat Technical DV431AEP 02365F ...

Page 10: ...uires power Sensor Bars temperature sensor check Sensor Bars Disconnect harness and test Pink wire Pin 4 to Orange wire Pin 5 Approx Ω without laundry Approx 190Ω 10 with wet clothes Cycling Thermistor Disconnect harness and test Blue wire Pin 2 to Red wire Pin 6 Approx 10 KΩ at 25 C 77 F Technical DV431AEP 02365F 01_EN indd 10 2012 04 27 10 22 53 ...

Page 11: ...enter silver colored terminal block screw E Neutral Grounding wire green yellow F Neutral wire white or center wire 1 Remove the External ground connector screw 2 Connect the ground wire green or unwrapped of the power cord to the external ground connector screw If you want to connect B Green or bare copper wire of power cord to the Neutral Post without assembling with A cabinet ground call the se...

Page 12: ...AM WIRING DIAGRAM WARNING To avoid risk of electrical shock personal injury or death disconnect power to dryer before servicing unless testing requires power Technical DV431AEP 02365F 01_EN indd 12 2012 04 27 10 22 54 ...

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