LG Electronics WD-10124RD service manual Fault Diagnosis and Trouble Shooting, No Power

Page 19

8-2.FAULT DIAGNOSIS AND TROUBLE SHOOTING

CAUTION

1.Be careful of electric shock or disconnecting the parts while trouble shooting.

2.First of all, check the connection of each part terminal with wiring diagram.

3.If you replace the MAIN PWB ASSEMBLY, Put in the connectors correctly.

NO POWER

 

When measuring the voltageYESof the outlet,

 

is the voltage AC 220-240V~?

<PWBASSEM(1)BLY(2)(MAIN)>

Is the led(1) on?

YES

<PWBASSEMBLY(MAIN)>

disassembled?

NO

 

Is connector(2) disconnected or

 

Is wire of the PWB ASSEMBLYNOdisconnected?

 

Replace PWB ASSEMBLY

NONO

Check the fuse?

YES

 

 

Replace MAIN PWB

ASSEMBLY

 

 

Reconnect the PWB

ASSEMBLY

YES

 

 

Reconnect the PWB

 

ASSEMBLY

 

 

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Contents Washing Machine Contents Speed Spin SpecificationFeatures Features & Technical ExplanationWater Level Control Determine Washing Time by Fuzzy LogicParts Identification AccessoriesBolts InstallationHOW to Connect Inlet Hose Test Operation Operation Child lock Delay finishON/OFF button Main PWB Wiring Diagram / Program ChartBefore SVC Checking Trouble ShootingQC Test Mode HOW to Know the Water Level FrequencySymptom Cause Error DisplayCurrent Error Symptom Cause Diagnosis and Answer for Abnormal Operation Error Diagnosis and Check ListDrain Trouble Symptom Guide for Service CallGuide for Service Call No Power Fault Diagnosis and Trouble ShootingYES YES AC 220V Heating Continuously Above the Setting Water Temperature No YES Check for DRY Heater Trouble Check for DRY FAN Motor Trouble Page Page Page Control Panel Disassembly InstructionsPWB Assemblypower Dispenser Assembly Cover Lower Inlet ValveRemoving method of remained water DoorGasket Assembly ¤ Remove tub gasket clamp by loosening the screw HOW to Assemble the Motor Rotor ASSEMBLY, Stator ASSEMBLY, Friction DamperHeater PumpThermistor When Foreign Object Stuck Between Drum and TUB Switch ASSY, Door LockCondensing Duct DRY DuctExploded View and Part List Part List of Cabinet AssemblyExploded View of Control Panel & Dispenser Assembly Non-service part Service part Exploded View of Drum & TUB AssemblyExploded View of Dryer No.3828ER3013K