LG LDF9810ST - Fully Integrated 6 Wash Cycles Dishwasher Product Training Manual Download Page 48

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LDF9810ST – Steam Dishwasher

ERROR CODE

POSSIBLE CAUSE

SOLUTION

THERMAL

ERROR

Water not to
normal level after
10 minutes’ fill
time

•

Inlet water

temperature too

hot (over 194° F or

90 °C)

•

Wiring connection

defective

•

Thermistor

defective

•

Check water temperature

using TEST MODE (See
Page 13.)

•

If temperature is

displayed, adjust water
temp. to 120

F (40

C).

•

If temp. is not displayed,

check wiring connections
and resistance of the
thermistor (11~14 K

F or 25

C).

Error Codes

T-19

Summary of Contents for LDF9810ST - Fully Integrated 6 Wash Cycles Dishwasher

Page 1: ...1 LDF9810ST Steam Dishwasher Product Training STEAM DISHWASHER LDF9810ST Ver 1 0 080123 ...

Page 2: ...efits or job descriptions in general Anyone found to be part of any such communication will immediately be dismissed from this class and will not be allowed to attend future events LG supplies this training class for the benefit of all in attendance we ask your assistance in keeping this a professional meeting and to remain focused only on the technical improvement and education of our service net...

Page 3: ... Safety Notices and Warnings 1 Contact Information 1 Contents 2 Specifications 4 Safety Notices Gas and Electric 5 Serial Number Identification 6 Introduction 7 Controls 8 Installation 9 Accessories 10 Drying Rack 10 Contents T 1 ...

Page 4: ...4 LDF9810ST Steam Dishwasher IMPORTANT SAFETY NOTICE DISCLAIMER MODIFICATIONS ESD ISSUE REGULATORY INFORMATION Preliminary T 3 Slide Number Page in Training Manual ...

Page 5: ...5 LDF9810ST Steam Dishwasher COMPLIANCE The responsible party for this device s compliance is LG Electronics Alabama Inc PO Box 240007 Huntsville AL 35813 Preliminary T 3 ...

Page 6: ...connect the dishwasher before starting repairs Steam is HOT Use caution when dealing with live steam or hot parts Do not stand on the open door Do not allow children to play in the dishwasher Do see the rest of the safety tips on page 4 in the training manual ...

Page 7: ...7 LDF9810ST Steam Dishwasher Warranty T 5 ...

Page 8: ...tions T 6 ITEM SPECIFICATION Rated Input 120 VAC 60Ø Installation Built in Capacity 14 place settings Dimensions inches 23 X 25 X 33 Weight pounds 128 Door Color Black White Stainless Tub Stainless Steel Control Electronic Programs 6 Cycles ...

Page 9: ...es T 6 Ultra Large Capacity Removable Cutlery Rack Slim Direct Drive Motor Hybrid Drying System Vario Spray System Self Cleaning Filter Dual Intensity Wash Cycle Steam Washing and Steam Delicate Light Tough Buttons and Blue LCD Auto Off ...

Page 10: ...10 LDF9810ST Steam Dishwasher Features T 7 1 Control Panel 2 Door Handle 3 Front Cover 4 Lower Cover 5 Leveling Foot 6 Side Cabinet 7 Base ...

Page 11: ...ray Arm 9 Upper Spray Arm 10 Removable Tines 11 Steam Nozzle 12 Lower Spray Arm 13 Dispenser Detergent Rinse Aid 14 Vapor Vent Cover 15 Tub Lamps IllumiTub 16 Cutlery Rack 17 Upper Rack 18 Cutlery Basket 19 Lower Rack 20 Blue LCD Display 21 Power Button ...

Page 12: ...Installation T 8 Installation is covered briefly for the servicer who may need to uninstall and reinstall the dishwasher for repairs For new installations please refer to the installation guide that was supplied with the dishwasher ...

Page 13: ...e 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 connect the water drain and electrical cable under the sink ...

Page 14: ...current as indicated on the rating plate and connected to a properly fused and grounded dedicated 20 amp circuit The wire or water supply can be fed from either side and both from the same side depending upon source location They must be run in the channels under the dishwasher as shown in the drawing ...

Page 15: ... stored This kit includes a cordset a flexible water supply line and the elbow connector necessary to connect it Using a cordset requires an electric outlet under the sink accessible when the dishwasher is installed The cordset makes it easier to disconnect the dishwasher from power while working on it and makes removal and replacement easier As stated earlier installation requires a properly fuse...

Page 16: ...ay 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 14 of the training manual Use sealing tape or joint compound to avoid leaks ...

Page 17: ...17 LDF9810ST Steam Dishwasher Installation T 9 Adjust the legs to the required height for the dishwasher to slide under the countertop and be level Check the level using a spirit level ...

Page 18: ...18 LDF9810ST Steam Dishwasher Installation T 9 Attach the leveling feet kit to allow for fine tuning when the dishwasher is pushed into place ...

Page 19: ...ation 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 on subsequent slides ...

Page 20: ...in Connection T 10 The drain hose must be connected in a manner that meets the local plumbing code If the end of the drain hose does not fit the available connector an adapter may be obtained from a local hardware or plumbing supplier ...

Page 21: ...21 LDF9810ST Steam Dishwasher Drain Connection T 10 The rubber end can be cut off for the correct size attachment ...

Page 22: ...nection T 10 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 tail piece with a drain attachment available at most hardware and home supply stores ...

Page 23: ...hwasher Water Connection T 10 Turn off the water supply and connect the elbow to the inlet valve Connect the flexible supply tube to the elbow Use sealing tape to make all connections Make sure the supply line is not kinked ...

Page 24: ...24 LDF9810ST Steam Dishwasher Electrical Connection T 10 Use wire connectors and replace the cover on the junction box 12 2 w ground 20 amps ...

Page 25: ...2 Turn on the power at the fuse or breaker or plug in the cordset at the outlet under the sink 3 Run the dishwasher 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 ...

Page 26: ...soiled loads with cooked on foods POWER SCRUB Normal soil level everyday loads NORMAL Normal soil level everyday loads STEAM DELICATE Washing delicate items crystal stemware QUICK Light soil level recently used dishes and cutlery RINSE ONLY Rinses only no washing ...

Page 27: ...STEAM Adds steam to SOAK POWER SCRUB and Normal cycles RINSE Pressing cycles through Sanitary Extra Rinse or both SPRAY Pressing cycles through Strong Medium or Soft spray HALF LOAD Pressing chooses either upper or lower rack instead of both continued ...

Page 28: ...0ST Steam Dishwasher Control Panel T 12 DELAY START Each press delays the start by one hour up to 24 hours CHILD LOCK Press and hold to engage disengage CANCEL Press and hold STEAM DELICATE and NORMAL continued ...

Page 29: ...r blinks if selected o Rinse indicator blinks if selected p Spray indicator blinks if selected q Half load indicator r Child Lock illuminated when engaged Rinse Aid illuminated when refill is required s Time remaining before cycle ends Control Panel T 12 ...

Page 30: ...30 LDF9810ST Steam Dishwasher Programs T 13 ...

Page 31: ...sh T 13 The spray intensity for the upper lower racks is programmable by the customer By selecting SOFT SPRAY for the upper rack and STRONG SPRAY for the lower rack you can wash delicate items like stemware on top while washing pots and pans on the bottom ...

Page 32: ...ess 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 other options 7 Close the door 8 The dishwasher will start ...

Page 33: ...Detergent T 14 Detergent must be added to the dispenser before the start of every cycle except RINSE ONLY The detergent chamber holds 1 4 oz 40 g when full If the dishes are only moderately dirty it might be possible to use less detergent ...

Page 34: ...34 LDF9810ST Steam Dishwasher Adding Detergent T 14 Press the latch button to open the detergent chamber ...

Page 35: ...35 LDF9810ST Steam Dishwasher Adding Detergent T 14 Add detergent in the proper amount See chart later slide Close the cover and be sure the latch clicks ...

Page 36: ... 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 can leave a film on the dishes ...

Page 37: ...hwasher Detergent Chart T 14 CYCLE Amt Detergent Soak Full 0 35 oz full 1 05 oz Power Scrub Full 0 35 oz full 1 05 oz Normal None full 0 7 oz Steam Delicate None full 0 7 oz Quick None full 0 3 oz Rinse Only None full 0 7 oz ...

Page 38: ...38 LDF9810ST Steam Dishwasher Adding Rinse Aid T 15 Turn the round cap counterclockwise and remove it ...

Page 39: ...39 LDF9810ST Steam Dishwasher Adding Rinse Aid T 15 Fill the reservoir It holds 4 8 oz 145 ml Replace the cap and lock it ...

Page 40: ...40 LDF9810ST Steam Dishwasher Adding Rinse Aid T 15 Adjust the rinse aid setting as necessary ...

Page 41: ...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 when the level is low at the start of a load ...

Page 42: ...42 LDF9810ST Steam Dishwasher Program Chart T 16 ...

Page 43: ...43 LDF9810ST Steam Dishwasher Test Mode T 17 ...

Page 44: ...er supply valve closed Water supply shut off Inlet hose kinked Water pressure low below 10 psi Inlet valve defective Inlet valve filter clogged Hall sensor defective Input impeller is bound Check valve Check resistance of valve 950 1 300Ω Clean the inlet filter Check frequency in test mode page 13 Replace air breaker Error Codes T 18 ...

Page 45: ... time Drain hose kinked or blocked Wiring connection defective Drain outlet of sump blocked Drain pump drain motor or drain circuit is defective Remove the kink or blockage Check the wiring connection Check the sump for blockage Measure the resistance of drain motor 20 40 Ω Replace motor or repair circuit Error Codes T 18 ...

Page 46: ...er leakage Water leakage in hose connections Water leak from damage Sump seal leakage Drain hose not high enough Washing pump impeller is damaged or worn Replace hose connections Repair damage Reseat or replace seal Adjust hose to meet installation requirements Replace impeller of washing pump Error Codes T 18 ...

Page 47: ...team Dishwasher ERROR CODE POSSIBLE CAUSE SOLUTION FILL ERROR Excess water supplied and drain pump runs automatically Inlet valve defective Main board defective Replace inlet valve Replace main board Error Codes T 18 ...

Page 48: ...Inlet water temperature too hot over 194 F or 90 C Wiring connection defective Thermistor defective Check water temperature using TEST MODE See Page 13 If temperature is displayed adjust water temp to 120 F 40 C If temp is not displayed check wiring connections and resistance of the thermistor 11 14 KΩ 77 F or 25 C Error Codes T 19 ...

Page 49: ...Motor is locked or hall sensor is defective Wiring connection loose Wash pump impeller locked Wash motor rotor is locked Blade is locked Check wiring connections Check wash pump for blockage Replace wash motor Check the sump for blockage Replace the main board Error Codes T 19 ...

Page 50: ...temperature is too high over 239 F or 115 C Check water level sensor and thermistor 00 E2 Water level sensor failure Check water level sensor and connection 00 E3 Water level too low Check water level sensor and inlet valve 00 E4 Steam generator temperature is too low under 158 F or 70 C Check heater and thermistor 00 E5 Normal ...

Page 51: ...51 LDF9810ST Steam Dishwasher Troubleshooting T 20 No Power ...

Page 52: ...52 LDF9810ST Steam Dishwasher Troubleshooting T 21 Wash Motor Pump Motor Does Not Run ...

Page 53: ...53 LDF9810ST Steam Dishwasher Troubleshooting T 22 Poor Washing ...

Page 54: ...54 LDF9810ST Steam Dishwasher Troubleshooting T 22 Poor Drying ...

Page 55: ...55 LDF9810ST Steam Dishwasher Troubleshooting T 23 Power Does Not Turn Off Automatically At End Of Cycle ...

Page 56: ...dishwasher or turn off the breaker or fuse Disconnect the wire if the dishwasher is hard wired Turn of the water supply Remove all dishes and racks Disconnect the water supply line to avoid hose damage Have some towels ready to catch the spillage from water left in the dishwasher and to keep the floor safe ...

Page 57: ...Steam Dishwasher Lower Cover and Insulation T 24 Remove the two screws in the lower cover Remove the insulation Disconnect the water supply hose and the electric cable if you are removing the dishwasher for service ...

Page 58: ...d Tub Insulation T 24 Right Cabinet Remove two screws at the front and three screws at the rear Left Cabinet Remove two screws at the front and three screws at the rear Insulation Remove the insulation blanket carefully by lifting straight up ...

Page 59: ...59 LDF9810ST Steam Dishwasher Front Cover T 25 Open the door Remove 12 screws stainless steel ...

Page 60: ...60 LDF9810ST Steam Dishwasher Control Panel Assembly T 25 Remove 2 screws stainless steel Remove the wire connections Do not reverse at reassembly Remove the latch assembly ...

Page 61: ...Steam Dishwasher Control Panel Assembly T 25 Remove the front display Remove 8 screws to take out the controller main board Reassembly is the reverse order of disassembly Be careful to avoid reversing the connectors ...

Page 62: ...asher Fan Assembly T 26 Remove the front cover See page 25 Remove 4 screws and a ground screw for the door bracket Remove the wire connections from the fan Remove the air duct Unscrew the inner cover to remove the fan assembly ...

Page 63: ...63 LDF9810ST Steam Dishwasher Detergent Dispenser T 26 Remove the wire connections Remove the 2 brackets 6 screws Use a screwdriver to pry the flange up to release the dispenser ...

Page 64: ...64 LDF9810ST Steam Dishwasher Door Spring Right and Left T 26 Pull the spring upward and take it off the hinge bracket Take the spring off the hinge ...

Page 65: ...65 LDF9810ST Steam Dishwasher Door Liner T 26 Open the door Pull the door liner upward off the hinge supporter ...

Page 66: ...66 LDF9810ST Steam Dishwasher Lower Frame T 27 Press the holder hooks as shown Remove the 4 screws ...

Page 67: ...67 LDF9810ST Steam Dishwasher Lower Frame T 27 Turn the dishwasher upside down ...

Page 68: ...68 LDF9810ST Steam Dishwasher Drain Hose Holder T 27 Press the holder hook as shown Pull the drain hose and remove the drain hose holder ...

Page 69: ...69 LDF9810ST Steam Dishwasher Base Cover T 27 Remove 2 screws Lift the base cover out of the base ...

Page 70: ...70 LDF9810ST Steam Dishwasher Line Noise Filter T 28 Disconnect both connectors of the line noise filter ...

Page 71: ...71 LDF9810ST Steam Dishwasher Float Switch Assembly T 28 Remove the connections from the float assembly micro switches Mark them to ensure you can reconnect them correctly after repairs ...

Page 72: ...72 LDF9810ST Steam Dishwasher Wiring Diagram T 28 The wiring diagram is attached to the back of the lower cover ...

Page 73: ...73 LDF9810ST Steam Dishwasher Cabinet Base T 28 Remove 8 screws around the base Lift the base upward off the dishwasher ...

Page 74: ...74 LDF9810ST Steam Dishwasher Float Assembly T 28 Press the hook to separate the float assembly Pull the float assembly free ...

Page 75: ...asher Steam Generator T 29 Squeeze the hose clamps and remove the 3 hoses from the steam generator Remove 2 screws to take out the steam generator NOTE Be careful in case the steam generator is still hot or has hot water in it ...

Page 76: ...76 LDF9810ST Steam Dishwasher Steam Generator T 29 The steam generator is sold as an assembly The individual parts heater thermistor and sensor are not repairable or replaceable ...

Page 77: ...77 LDF9810ST Steam Dishwasher Inlet Valve T 29 Disconnect the water supply line Remove the electrical ground wire Remove 2 screws that hold the valve to the base and take out the valve ...

Page 78: ...r Breaker Assembly T 29 Disconnect three hoses from the air breaker assembly Unscrew the cover on the inside of the dishwasher Be sure not to lose the gasket O ring that fits between the outside of the tub and the air breaker assembly ...

Page 79: ...DF9810ST Steam Dishwasher Sump Assembly T 30 Remove the wiring connections including the ground wires attached by screws Remove the hose connections Lift the sump assembly out of the base of the dishwasher ...

Page 80: ... T 30 Remove the 2 screws and sump holder clips Be careful not to let the sump assembly fall into the tub Press the hooks gently toward the center of the sump assembly and lower the sump assembly into the tub while supporting it with one hand ...

Page 81: ...9810ST Steam Dishwasher Heater and Drain Motor T 30 Loosen the nut on the heater retainer to the end of the shaft and wiggle the heater out of the sump Remove 3 screws and detach the drain pump from the sump ...

Page 82: ...82 LDF9810ST Steam Dishwasher Vario Motor T 30 Remove 2 screws that attach the vario motor to the sump Remove the vario motor and the micro switch ...

Page 83: ...83 LDF9810ST Steam Dishwasher Soil Turbidity Sensor T 31 Lift the retaining clips and pull the soil sensor turbidity sensor from the sump ...

Page 84: ...84 LDF9810ST Steam Dishwasher Preliminary T 31 When reassembling the sump be careful to avoid kinking or damaging the small seals and gaskets inside it See page 39 in the exploded view ...

Page 85: ...85 LDF9810ST Steam Dishwasher Cutlery Rack Rail T 32 Insert a screwdriver in the gap behind the rail at the back end and pry the end cap off It is easily broken so have a replacement available ...

Page 86: ...r Upper Rack Rail T 32 Pull the upper rack out until it stops Squeeze the tab of the stopper and pull the stopper out Be careful the upper rack does not fall out of the rail while you do this Pull the upper rack out of the slides ...

Page 87: ...87 LDF9810ST Steam Dishwasher Wiring Diagram T 33 ...

Page 88: ...88 LDF9810ST Steam Dishwasher Exploded View T 34 39 ...

Page 89: ...89 LDF9810ST Steam Dishwasher Exploded View T 34 39 ...

Page 90: ...90 LDF9810ST Steam Dishwasher Serial Number Old Style T 40 Example 801KW3400251 8 0 1 K W 0 0 2 5 1 Production Number Internal code Manufactured January 2008 3 4 Made in Korea ...

Page 91: ...10ST Steam Dishwasher Serial Number New Style T 40 Sequential number Internal code Model ID Production site 2 Letters 12345 KR 406 YP 000002 Options New Serial Code ETA Mid 2008 Year and month of production YMM ...

Page 92: ...3 MFL37554802 Manual Service 0 005 5001DD4001A Accessory Assembly 1 A003 ACV34326901 Damper Insulation 1 A005 4810DD4002B Bracket Top 2 A006 4980ED2015A Supporter Holder 1 A007 4980ED2014A Supporter Holder 1 A008 4980ED2018B Supporter Holder 1 A010 3090ED1001F Cabinet 1 A020 3091DD1001F Cabinet Assembly 1 A040 3551DD2001E Cover Assembly Lower 1 ...

Page 93: ...T 45 P WATTS Watts Volts2 x Ohms Watts Amperes2 x Ohms Watts Volts x Amperes I AMPERES Amperes Volts Ohms Amperes Watts Volts Amperes E VOLTS Volts Volts Watts Amperes Volts Amperes x Ohms R OHMS Ohms Volts Amperes Ohms Volts 2 Amperes Ohms Watts Amperes 2 ...

Page 94: ...94 LDF9810ST Steam Dishwasher Ohm s Law T 3 ...

Page 95: ...95 LDF9810ST Steam Dishwasher Conversion Information T 46 F 9 5 C 32 C 5 9 x F 32 ml X 30 ounces ...

Page 96: ...96 LDF9810ST Steam Dishwasher Service Bulletins T 47 47 ...

Page 97: ...97 LDF9810ST Steam Dishwasher ...

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