LG Electronics F1256QD service manual Determine Washing Time by Fuzzy Logic, Water Level Control

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2-2. DETERMINE WASHING TIME BY FUZZY LOGIC

To get the best washing performance optimal time is determined by sensing of water temperature, selected washing temperature and laundry amount.

water

temperature

selected	FUZZY
washing	LOGIC
temperature	LOGIC

laundry amount

washing time

rinse time

spin rhythm, time

the best washing performance

SENSING

PROCESSING

DETERMINATION

EFFECT

2-3. WATER LEVEL CONTROL

This model uses a pressure sensor to determine the water level in the tub.

When the preset water level reached, water supply is stopped and the program proceeds.

Water needs to be below a preset level before spining will proceed.

2-4. THE DOOR CAN NOT BE OPENED

While program is operating.

While Door Lock light turns on.

5

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Contents Washing Machine No. MFL30574749 Contents Specification F1*20TD1~9 / F1*22TD1~9/F1*56*D/WD-*690TDKFeatures & Technical Explanation FeaturesDetermine Washing Time by Fuzzy Logic Water Level ControlDoor can not be Opened Parts Identification Door Lower cover Adjustable FeetPower Plug DrawerCheck the conditions of installation area InstallationInstallation Open the box and check appliance conditionUse spanner to remove transit bolts Confirm the distance between the appliance and the wallTap connection and hose connection must be parallel Connect power plug Connect Drain HoseCheck the horizontality with a level Gage StepTest operation Option Start/Pause button Tub CleanOperation Wash program selectorPower button Load Test ModeTime Delay & Beep ON/OFF Water temperature selectorStart/Pause button Option buttonIntensive Rinse Spin Button Chart MotorPCB Layout Program Chart Load Test Mode TroubleshootingBefore Performing Service HOW to Know the Water Level FrequencyError Display Error Symptom CauseTroubleshooting with Error Water Inlet Error IEUnbalanced Error UE Water Outlet Error OE How to disassemble and clean pump filterBind Over Flow Error FE Drawer continuously?Pressure Sensor S/W Error PE Door Open Error dE Does the Door Switch operate as follows?Thermistor Heating Error tE MIN STD MAXMotor Locked Error LE Disassemble the Hall Sensor Assemble the Hall SensorTroubleshooting Without Error Codes No PowerVibration & Noise In Spin Detergent & Softener does not flow Water Leak Water Leak from DispenserUnknown Water on Floor Disassembly Instructions Control PanelDispenser Assembly Dispenser AssemblyInlet Valve Lower Cover DoorGasket Assembly Rotor ASSEMBLY, Stator ASSEMBLY, Friction Damper Assembly CommonPump HeaterSwitch ASSEMBLY, Door Lock When Foreign Material is Stuck Between Drum and TUBExploded View Exploded View of Control Panel & Dispenser Assembly Exploded View of Drum & TUB Assembly