LG LDF9932 Training Manual Download Page 30

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TRAINING MANUAL

LDF9932XX

Page 30

DISHWASHER

ERROR CODE

POSSIBLE CAUSE

RESOLUTION

FLOW ERROR

Excess water

Inlet valve is defective.

Main board is defective.

Replace inlet valve.

Replace main board.

THERMAL

ERROR

Thermistor or

related wiring

defective.

Inlet water over temperature
(higher than 194

F / 90

C).

Wiring or thermistor defective.

Check the wash temperature in
Test Mode. (Page 37.)

Check input water temperature
and adjust of over 120

Check wiring to thermistor.
Check resistance of thermistor
(11

14 k

Ω

@ 77

F / 25

C).)

Replace main board.

LOCK ERROR

Motor

malfunction.

Wiring or connection failure.

Wash pump motor is locked.

Wash motor rotor is locked.

Disposer blade is locked.

Magnet(s) in motor cracked.

Check wiring and connections.

Check pump motor and for

restrictions.

Replace motor.

Remove restriction.

Replace motor.

HEATER ERROR

Water not

heated or
heated to
incorrect
temperature.

Heater circuit is defective.

Thermistor is defective.

Heater element is defective.

Relay circuit is defective.

Repair heater circuit.

Replace thermistor.

Replace heater element.

Replace main board.

Summary of Contents for LDF9932

Page 1: ...tal in the appliance Before removing a replacement part from its package touch the anti static bag to a ground connection point or unpainted metal in the appliance Handle the electronic control assembly by its edges only When repackaging a failed electronic control assembly in an anti static bag observe these same precautions REGULATORY INFORMATION This equipment has been tested and found to compl...

Page 2: ...isassembly 13 Tub Assembly Lower Cover and Insulation 13 Door Assembly 14 Fan Assembly Drying Fan 15 Door Spring 15 Door Liner 15 Lower Frame 16 Drain Hose Holder 16 Base Cover 16 Sump Wiring and Hoses 17 Noise Filter 17 Float Switches 17 Base Assembly 18 Steam Generator 18 Front Leg Adjustment 19 Rear Leg Adjustment 19 Inlet Valve 19 Air Breaker Assembly 20 Sump Assembly 20 Hinge Supporter and Do...

Page 3: ...ooting Charts 33 Test Mode 37 Steam Generator Test Mode 38 Exploded Views 39 Parts List 46 Serial Number Identification 50 Ohm s Law and Watt s Law 51 Conversion Information 52 Service Bulletins 53 Changes to Base 53 Drain hose with Siphon Protector 60 Hinge Spring and Connector 63 Change in Vent to Prevent Condensation 65 Ver 1 4 090827 ...

Page 4: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 4 DISHWASHER SPECIFICATIONS ...

Page 5: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 5 DISHWASHER WARRANTY ...

Page 6: ...sher should be at the same level as the rest of the room so the dishwasher can slide in and out easily for service Drill a 1 hole on either side to allow for the drain hose water supply hose and electrical cable The opening must be in an area within 4 100 mm of the back wall and 4 100 mm of the floor If there is a floor in the cabinet under the sink it will be necessary to cut through it to connec...

Page 7: ...asier As stated earlier installation requires a properly fused and grounded dedicated circuit WATER SUPPLY PREPARATION The dishwasher may be connected to either hot or cold water If the hot water can not maintained below 149 F the dishwasher must be connected to the cold water supply Lay out the water supply line as indicated on page 6 of this training manual Use sealing tape or joint compound to ...

Page 8: ...ar The front legs can be adjusted by using a drive wrench as shown To complete the installation Remove the lower cover Make sure the legs are adjusted and the dishwasher is level Lay out the electrical cable water supply tube and drain hose as shown Slide the dishwasher carefully back into place Make the appropriate connections as directed below ...

Page 9: ...r gap It can also be with an air gap installed Be sure to observe the clearances listed Most garbage disposers have a dishwasher drain fitting built in to them If your installation does not include a disposer you can use a special tailpiece with a drain attachment available at most hardware and home supply stores WATER CONNECTION Turn off the water supply and connect the elbow to the inlet valve C...

Page 10: ...er through one QUICK cycle to check the operation and to check for water leaks 4 Replace the lower cover When the door is closed the top edge with the controls should be under the countertop Use the installation brackets to attach the top of the dishwasher to the bottom of the countertop if necessary Insert a wood screw into the cabinet through the hole provided in the side of the dishwasher Be su...

Page 11: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 11 DISHWASHER FEATURES and PARTS ...

Page 12: ...Press to select Sanitary Extra Rinse or both SPRAY Press to cycle through Strong Medium or Soft spray HALF LOAD Press to select either upper or lower rack instead of both DELAY START Each press delays the start by one hour up to 24 hours CHILD LOCK Press and hold both buttons to engage or disengage CANCEL Press and hold STEAM DELICATE and NORMAL INDICATORS n Steam option indicator blinks if select...

Page 13: ... cordset Pull the dishwasher out from under the counter and turn off the water TUB ASSEMBLY LOWER COVER and INSULATION Remove the two screws that hold the lower cover kick plate in place Disconnect the water inlet hose at the elbow Disconnect the electrical supply at the junction box if the dishwasher is hardwired Unnecessary if the dishwasher is installed using a plug and cordset Lift the insulat...

Page 14: ...ws 12 from the perimeter of the door The cover will drop so have a blanket or pad on the floor to prevent damage to it Remove the screws 2 at the latchhook This will release the control panel and latch assemblies At this point the control boards latch assembly and main board can be removed for repair or replacement ...

Page 15: ...the detergent dispenser Remove the air duct Turn the inner cover counterclockwise to remove it Close the door Remove the screws 6 and brackets 2 securing the dispenser Pry the dispenser out using a screwdriver DOOR SPRING Close the door Lift the spring end upward and off the hinge bracket Watch for sharp edges on the door and tub Do not let the hinge spring release uncontrolled DOOR LINER Open the...

Page 16: ...it out from under the counter and lean it back This eliminates the mess caused by spillage when inverting the dishwasher DRAIN HOSE HOLDER The drain hose snaps into place in its holder where it exits the base of the dishwasher You won t need to remove this hose from its holder unless you are replacing the entire hose BASE COVER Remove the screws 2 and remove the base cover It may require flexing t...

Page 17: ... you remove or replace the sump assembly NOISE FILTER The noise filter is attached to the inside of the base on the right side of the dishwasher by one screw Remove the screw then pry the noise filter from its clips in the base FLOAT SWITCHES The float switches are on the right side of the dishwasher just above the base Remove the wiring connectors before detaching the float switch assembly It is ...

Page 18: ...BLY Remove the screws 8 that secure the base to the dishwasher All the wiring connections and hoses should have been removed already Remember the hoses stay with the sump at this point STEAM GENERATOR The steam generator is mounted on the left side of the dishwasher Disconnect the wiring to the thermistor the low water sensor and the high water sensor Remove the hose clamps There are two one for t...

Page 19: ... LEG ADJUSTMENT The rear legs can be adjusted by using a Phillips screwdriver to turn the adjustment shaft which raises or lowers the rear leg See pages 7 and 8 INLET VALVE The inlet valve is an electromechanical double valve that controls water input to the dishwasher Remove the screws 2 that hold the valve to the base of the dishwasher Release the clamps 2 that secure the hoses to the valve ...

Page 20: ... down in this drawing After all the wires and hoses are disconnected from the sump remove the screws and sump holders 2 being careful the sump does not fall into the tub and cause damage If the dishwasher is not turned upside down but tipped up and leaned back you can lift the sump out through the tub Remove the outer nut and ground wire from the heater Then loosen the inner nut to the end of the ...

Page 21: ...he sump even with the sump in place The turbidity sensor is mounted in the side of the sump It is held in place with two clips which must be pried loose It can be removed and replaced without further disassembly of the sump even with the sump in place The turbidity sensor is installed with an O ring that prevents leakage It is a tight fit and must be correctly in place to avoid a leak ...

Page 22: ...32XX LDF9932XX Page 22 DISHWASHER SUMP ASSEMBLY continued Exploded View Of Sump Assembly When repairing and reassembling the sump assembly LG recommends replacing the gaskets in it rather than trying to re use the old ones ...

Page 23: ...an be slipped into place easily RACK SUPPORT RAILS The rails that support the center and top racks can sometimes be removed by prying the plastic clip off the tub wall Insert a screwdriver tip and rotate it away from the tub at the top of the clip Usually the plastic end pieces are broken so LG recommends having replacements available Location F117 See exploded view page 41 ...

Page 24: ...n wash delicate items like stemware on top while washing pots and pans on the bottom 1 Press and hold SPRAY to illuminate the indicator 2 Press SPRAY to set the intensity for the upper rack Strong Medium Soft Off 3 Press HALF LOAD to confirm the selection for the upper rack 4 Press SPRAY to set the intensity for the lower rack 5 Press HALF LOAD to confirm the selection for the lower rack 6 Select ...

Page 25: ...to open the detergent chamber Add detergent in the proper amount See chart below Close the cover and be sure the latch clicks If pre wash cycle is selected in SOAK or POWER SCRUB only add the appropriate amount of pre wash detergent in the recess on the door cover When you close the dishwasher door the detergent will fall into the tub NOTE Too much detergent will leave a film on the dishes CYCLE A...

Page 26: ...factory setting for rinse aid dispensing is 3 Too little rinse aid contributes to spotting streaking and poor drying performance Too much rinse aid causes foaming which leads to poor washing performance How often you refill the dispenser depends upon your washing habits including the rinse aid setting the number of loads per month you wash and other factors The indicator light will illuminate at t...

Page 27: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 27 DISHWASHER PROGRAM CHART ...

Page 28: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 28 DISHWASHER WIRING DIAGRAM ...

Page 29: ...place air breaker assembly DRAIN ERROR Not completely drained after 5 minutes pump operation time Drain hose is kinked or blocked Wire connection failure Sump drain outlet is blocked Drain pump circuit faulty Resolve kink or blockage Check connection for tightness or corrosion Measure resistance of drain pump motor 30 Ω 10 Ω Clean sump assembly and unstop Repair wiring or replace drain pump motor ...

Page 30: ...er 120 F Check wiring to thermistor Check resistance of thermistor 11 14 kΩ 77 F 25 C Replace main board LOCK ERROR Motor malfunction Wiring or connection failure Wash pump motor is locked Wash motor rotor is locked Disposer blade is locked Magnet s in motor cracked Check wiring and connections Check pump motor and for restrictions Replace motor Remove restriction Replace motor HEATER ERROR Water ...

Page 31: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 31 DISHWASHER TROUBLESHOOTING ...

Page 32: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 32 DISHWASHER TROUBLESHOOTING continued ...

Page 33: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 33 DISHWASHER DIAGNOSIS and REPAIR ...

Page 34: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 34 DISHWASHER ...

Page 35: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 35 DISHWASHER ...

Page 36: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 36 DISHWASHER ...

Page 37: ...ne a failure before disassembly and repair are begun Press STEAM and RINSE and POWER simultaneously to enter the test mode Then push the indicated button to test the desired component See chart below c Normal water level frequency is 270 275 d Pure water greater than 130 e Steam generator water level H High water level L Low water level ...

Page 38: ...elected cycle but without steam ERROR CODE CAUSE SOLUTION 00 E0 Normal 00 E1 Steam generator temperature is too high greater than 239 F 115 C Check water level sensors Check thermistor 00 E2 Water level sensor failure Check wiring and connections to sensor s Replace sensor s 00 E3 Water level too low Check wiring and connections to sensor s Check inlet valve 00 E4 Steam generator temperature is to...

Page 39: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 39 DISHWASHER EXPLODED VIEW ...

Page 40: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 40 DISHWASHER EXPLODED VIEW ...

Page 41: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 41 DISHWASHER EXPLODED VIEW ...

Page 42: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 42 DISHWASHER EXPLODED VIEW ...

Page 43: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 43 DISHWASHER EXPLODED VIEW ...

Page 44: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 44 DISHWASHER EXPLODED VIEW ...

Page 45: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 45 DISHWASHER EXPLODED VIEW ...

Page 46: ... A101 3806DD3004A Decor Handle A102 3650DD3001A Handle A103 3650DD3002A Handle A103 3650DD3002A Handle A110 5005DD1001A Basket Assembly Spoon A120 EAD38156501 Harness Multi A130 AEM30700301 Hose Assembly Drain A130 AEM69493801 Hose Assembly Drain A140 3751DD1001A Rack Assembly A141 3750ED1004A Rack A142 4581DD3003B Roller Assembly A144 3750DD2003A Rack A147 4930DD3006A Holder A148 3750DD1001A Rack...

Page 47: ... Assembly Connector F042 5214DD3003A Hose Connector F043 MEJ39603301 Hose Connector F045 3550DD2001A Cover Protect F050 4020FD3641C Nut Common F060 4986DD3001A Gasket F101 3920DD3002A Packing F102 MFZ42591601 Packing F103 MFZ42591701 Packing F110 4581DD3001A Roller Assembly F111 5218ED3001A Rail F112 4620ED3002A Stopper Roller F113 4580ED4002A Roller F113 4580ED4002A Roller F117 4620ED3001A Stoppe...

Page 48: ...mbly K121 4986DD3003A Gasket K122 3550ED3011A Cover Blower K124 MJZ61841501 Vent K140 5214ER4001S Hose Inlet K141 4861FR3068M Clamp K200 AGL33667102 Panel Assembly Control K207 MCK40133201 Cover Guide K207 MCK40133201 Cover Guide K215 MCK40228201 Cover Guide K220 AFZ34353901 Name Plate Assembly K230 AJX32598501 Window Assembly K251 EBR38144403 PCB Assembly Main K251 EBR38144405 PCB Assembly Main K...

Page 49: ...Assembly M105 AGM72573101 Parts Assembly M110 ADQ32598202 Filter Assembly Mesh M120 ABQ32598101 Case Assembly M130 5911ED3003A Impeller Assembly M210 AJU33450701 Valve Assembly Inlet M220 5220ED4004A Valve Check M260 AGM72098101 Parts Assembly M261 ACQ31707201 Cover Assembly Base M266 AGM72461901 Parts Assembly M500 ADZ32992801 Generator Assembly TOUCH UP PAINT Brush in lid TUP 3796BK Black TUP 37...

Page 50: ... warranty service and to get the correct part in the event a running production change was made Some models may have four 4 letters instead of two 2 for the product code number The third and fourth letters are significant only to the manufacturing facility This chart will help you decode the serial number Example 801KW3400251 801 KW 00251 Production Number Internal code Manufactured January 2008 3...

Page 51: ...Watts Amperes2 x Ohms Watts Volts x Amperes I AMPERES Amperes Volts Ohms Amperes Watts Volts Amperes I R 2 E R 2 P R P I E I E R P E P R P I2 E P 2 P E I I R I E R WATTS CURRENT VOLTS OHMS E VOLTS Volts Volts Watts Amperes Volts Amperes x Ohms R OHMS Ohms Volts Amperes Ohms Volts2 Watts Ohms Watts Amperes2 ...

Page 52: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 52 DISHWASHER CONVERSION INFORMATION FORMULAE F 9 5 C 32 C 5 9 x F 32 ...

Page 53: ...TRAINING MANUAL LDF9932XX LDF9932XX Page 53 DISHWASHER SERVICE BULLETINS ...

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