LG LDB4548 Series Service Manual Download Page 117

Page: 117 / 120

For Authorized Service Technicians

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10-4. MCU PCB

※

For This Model Only

(LDT7797*,LDT5665**)

- case1

LSDF9897**,LDT7808**,LSDT9908**,LDT5678**,SKSDW24***,

LDP7808**,LDT6809**- case2

Summary of Contents for LDB4548 Series

Page 1: ...g the product Any reproduction or duplication including by way of email facsimile or other electronic means publication modification copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual The material covered by prohibition includes without limitation any text ...

Page 2: ......

Page 3: ...S 18 6 how to disassemble 26 7 TROUBLESHOOTING methods 44 7 1 TROUBLESHOOTING according to DISPLAYED error message 44 7 2 TROUBLESHOOTING METHODS 46 7 3 TROUBLE DIAGNOSES and repair by symptom 59 8 installation INSTRUCTIONS 62 9 exploded view 76 10 wiring DIAGRAM 113 10 1 WIRING DIAGRAM 113 10 2 MAIN PCB 114 10 3 DISPLAY PCB 116 10 4 MCU PCB 117 ...

Page 4: ...ation is intended for individuals possessing adequate backgrounds of electrical electronic and mechanical experience Any attempt to repair this appliance may result in personal injury and property damage The manufacturer or seller cannot be responsible for the interpretation of this information nor can it assume any liability in connection with its use CAUTION ...

Page 5: ...terial Stainless Steel Control Electronics Rated Power Watt 1 350 Heater Power Watt 1 200 Programs 10 Non Steam 9 Upper Rack Position Adjustable Lower Rack Fold down Water Consumption 9 2 25 9 Normal Power Consumption kWh year 258 Nomal LUDP8997 LSDT9908 LSDF9897 SKSDW24 269 Normal Operating Time min 110 150 Normal Fan Dry System Yes Delay Start Function Yes Auto Off Power Switch Yes Process Monit...

Page 6: ...s in extraordinary functionality with advanced features like the Dual Zone option The simple design and high build quality of the motor make it so reliable that it s covered for 10 years under the warranty EasyRack Plus various shapes and sizes Hybrid Drying System and gentle care for dishes Smart ThinQ Download the new LG smart phone app to set options self diagnose and troubleshoot problems with...

Page 7: ...lay Start is selected the display shows the delay time in hours Cycle time may vary depending on the soil level of your load Control Lock The Control Lock feature helps prevent settings from being changed during a cycle Selecting this feature locks all of the buttons except for the Power button on the control panel This feature does not lock the door While a cycle is running press and hold Half Lo...

Page 8: ...erating time NOTE The estimated time shown on the display does not include delay times for heating water etc If Delay Start is selected the display shows the delay time in hours Cycle time may vary depending on the soil level of your load Control Lock The Control Lock feature helps prevent settings from being changed during a cycle Selecting this feature locks all of the buttons except for the Pow...

Page 9: ...elay times for heating water etc If Delay Start is selected the display shows the delay time in hours Cycle time may vary depending on the soil level of your load Control Lock The Control Lock feature helps prevent settings from being changed during a cycle Selecting this feature locks all of the buttons except for the Power button on the control panel This feature does not lock the door While a c...

Page 10: ...Select the Extra Dry options for better drying Download Cycle Use a dedicated cycle downloadable via Wi Fi or NFC Machine Clean This cycle is for cleaning the inside of the dishwasher Use the cycle without dishes in the machine It eliminates residual soils odor white spots and other dirt Add citric acid or another cleaning agent for more effective results Press and hold Heavy for three seconds to ...

Page 11: ...me is increased to maintain wash performance Do not use this cycle with heavily soiled dishes Pre Steam Steam Models This option adds steam at the start of the cycle to improve wash performance High Temp Raises the main wash temperature to improve cleaning Extra Dry Select the Extra Dry option for better drying performance This option adds 20 minutes of extra drying time to the cycle and raises th...

Page 12: ... level of your load Control Lock The Control Lock feature helps prevent settings from being changed during a cycle Selecting this feature locks all of the buttons except for the Power button on the control panel This feature does not lock the door While a cycle is running press and hold Half Load and Energy Saver simultaneously for three seconds to activate or deactivate Control Lock To start a ne...

Page 13: ...Start To operate the machine either press Start and close the door within four seconds or close the door and press Start If Start button is not pressed to start the cycle an alert will sound Chime On Off To activate or deactivate the button sounds press and hold Dual Zone and Energy Saver simultaneously for three seconds The error alert sound cannot be turned off ...

Page 14: ...fan by opening the door after the cycle ends Turbo This cycle will clean heavily soiled dishes in an hour using slightly more energy and water This cycle does not have drying Select the Extra Dry and Night Dry option or another cycle for better drying Download Cycle Use a dedicated cycle downloadable via Wi Fi or NFC NOTE Only the cycle code for the current Download cycle appears on the appliance ...

Page 15: ...am at the start of the cycle to improve wash performance High Temp Raises the main wash temperature to improve cleaning Extra Dry Select the Extra Dry option for better drying performance This option adds extra drying time to the cycle and raises the heated rinse temperature When the rinse aid is empty the Extra Dry option is selected automatically Night Dry Dishes are often left in the dishwasher...

Page 16: ...t 1 TIME Sump Temp C Dispenser Power Button is lit Rinse aid Refill LED flashes if rinse aid needs refilling other LED are turned Off Closed EE will be displayed when EEPROM is fails 2 TIME N02 Drying Fan Motor Drying Actuator Closed 3 TIME Soil Level Soil Sensor Closed 4 TIME Drain Motor RPM Drain Motor Either 5 TIME Frequency Inlet Valve Closed 6 TIME Washing Motor RPM Washing Motor Closed 7 TIM...

Page 17: ...Panel 2 Door Handle 3 Front Cover 4 Lower Cover 5 Shipping Brace 6 Safety Cover 7 SignaLight some models 8 Base 9 Leveling Feet Interior Parts 10 6 11 12 5 9 2 8 1 3 4 7 1 Top Wash Impeller 2 Upper Spray Arm 3 Lower Spray Arm 4 Filtration System 5 Detergent and Rinse Aid Dispenser 6 Drying Vent Cover 7 Tub Light some models 8 Cutlery Rack some models 9 Upper Rack 10 Silverware Bask et 11 Lower Rac...

Page 18: ... 15 가 1 59 가 10 5 5 20 90 20 2 7 2 10 2 7 2 10 2 7 2 10 2 15 2 15 가 1 59 가 10 5 5 20 90 R63 445 회 L 1500 L 1500 L 1 2000 L 2100 L 2400 L 2400 L 2400 459 회 L 1500 L 1500 L 0 5 2400 L 2100 L 2400 L 2400 L 2400 459 회 L 1500 L 1500 L 0 5 2400 R64 U 1 2200 U 1 2400 U 1 2400 R65 R66 Heavy R67 Lower Tim e Tim e Tim e R68 3 20 ℓ 0 0 0 0 0 0 0 3 30 ℓ 0 0 0 0 0 0 0 3 30 ℓ 0 0 0 R69 1 25 가 1 57 가 10 5 5 20 1...

Page 19: ...m e Tim e Tim e Tim e Tim e Tem p 0 0 0 0 3 30 ℓ 0 0 75 0 0 0 0 0 3 30 ℓ 0 0 45 0 0 0 0 0 30 ℓ 0 3 60 ℓ 0 0 50 62 67 68 20 2 7 2 10 2 7 2 10 2 7 2 10 2 15 2 15 가 1 59 가 10 5 5 20 165 60 20 2 7 2 10 2 7 2 10 2 7 2 10 2 15 2 15 가 1 59 가 10 5 5 20 330 20 2 7 2 10 2 7 2 10 2 7 2 10 2 15 2 15 가 1 6 가 24 2 10 2 15 가 1 64 가 10 5 5 20 600 5 가 600 600 1200 L 2100 L 2400 L 2400 L 2400 459 회 L 1500 L 1500 L ...

Page 20: ...0 L 1500 LT 3 2800 459 회 L 1500 U 1 5 2900 Tim e Tem p Tim e Tem p 0 0 0 0 3 30 ℓ 0 0 55 55 3 30 ℓ 2880 2880 2880 20 2 7 2 10 2 7 2 10 2 7 2 10 2 15 2 15 가 1 59 가 10 5 5 20 360 720 2 15 2 15 가 1 59 가 10 L 2100 L 2400 L 2400 L 2400 459 회 L 1500 L 1500 LT 3 2800 LT 3 2800 459 회 L 1500 U 3 2600 U 3 2600 Tim e Tem p Tim e Tem p 0 0 0 0 3 30 ℓ 0 0 55 55 3 30 ℓ 2580 2580 2580 20 2 7 2 10 2 7 2 10 2 7 2 ...

Page 21: ...0 LT 3 2800 LT 3 2800 LT 3 2800 LT 3 2800 U 1 5 2900 U 1 5 2900 U 1 5 2900 U 1 5 2900 T 1 2900 Tem p Tem p Tem p Tim e 0 0 100 70 70 61 0 19 70 ℓ Sec 6778 7978 7738 5 5 20 5 60 1080 1080 1080 60 1851 1851 2211 2 15 2 15 가 300 300 1500 2700 2100 1 10 가 90 1 10 가 90 1 10 가 2047 3247 2647 30 Min 1 53 2 13 2 09 L 1500 L 1500 LT 2 2800 LT 2 2800 LT 2 2800 U 2 5 2600 U 2 5 2600 U 2 5 2600 T 1 2900 Tem p...

Page 22: ...L 1500 L 1 L 2100 L 2400 L 2400 L 2400 L 1500 L 1500 L 3 5 L 2100 L 2400 L 2400 L 2400 R71 U 0 5 U 0 5 U 0 5 U 0 5 R72 T 1 R73 He av y R74 Time Time Time Time R75 S te am O n 3 20 ℓ 0 0 0 0 0 0 0 3 30 ℓ 0 0 0 0 0 0 0 3 30 ℓ 0 0 0 0 0 0 0 3 80 ℓ 0 0 75 0 0 0 0 R76 1 1 57 가 5 5 20 180 20 2 7 2 10 2 7 2 10 2 7 2 10 2 15 2 1 59 가 5 5 20 120 20 2 7 2 10 2 7 2 10 2 7 2 10 2 15 2 1 59 가 5 5 20 120 20 2 7...

Page 23: ...55 70 0 0 0 68 가 5 5 20 240 20 2 7 2 10 2 7 2 10 2 7 2 10 2 15 2 1 6 가 24 2 10 2 15 1 18 가 1 15 1 15 가 1 60 60 60 60 1 4 55 55 가 5 5 20 450 390 5 가 780 780 2340 6439 6439 6439 6439 20 2 7 2 10 2 7 2 10 2 L 1500 L 1500 LT 2 L 2100 L 2400 L 2400 L 2400 42 회 L 0 4 A 1400 T 0 A 1400 T 0 T 0 T 900 T 900 L 1500 L 1500 U 2 LT 5 T 2700 LT 5 LT 5 LT 5 L 2100 L 2400 L 2400 U 2 T 0 5 U 1 5 U 1 5 U 1 5 U 1 5 ...

Page 24: ...2 5 LT 2 5 LT 2 5 U 2 U 2 5 U 2 5 U 2 5 U 2 5 U 2 5 T 1 Time Temp Temp Temp Temp Temp Time 0 3 80 ℓ 0 0 0 3 80 ℓ 0 0 100 72 72 72 72 72 0 7 2 10 2 15 2 1 68 가 5 5 20 360 2 15 2 1 68 가 5 5 20 5 60 878 2400 2400 2400 675 60 L 2400 L 1500 L 1500 LT 1 L 1500 L 1500 LT 1 3 LT 1 3 LT 1 3 LT 1 3 LT 1 3 U 2 U 2 5 U 2 5 U 2 5 U 2 5 U 2 5 T 1 Time Temp Temp Temp Temp Temp Time 0 3 80 ℓ 0 0 0 3 80 ℓ 0 0 100 ...

Page 25: ... 가 1 15 1 15 가 1 60 60 60 60 1 4 655 2 15 2 1250 1250 2450 2450 1 10 가 90 1 10 가 90 1 2483 2483 3683 3683 30 Min 2 41 3 10 3 30 3 30 139 회 A 1400 T 0 A 1400 T 0 T 0 T 900 T 900 Time Time Time Time Time Time Time 1 00 ℓ 0 80 ℓ 105 105 105 0 0 19 70 ℓ 24 80 ℓ Sec 6808 8008 7768 7658 9128 2075 2345 2 15 2 15 1 18 가 1 15 1 15 가 1 60 60 60 60 1 4 595 2 15 2 300 300 1500 2700 2100 1 10 가 90 1 10 가 90 1 ...

Page 26: ...For Authorized Service Technicians 26 6 HOW TO DISASSEMBLE 1 Lower Cover 1 Remove the front 2 screws ...

Page 27: ...er assembly CAUTION Take care when disassembling the front cover to avoid putting stress on the wire harness and dispenser actuator between the front cover and the dispenser Doing so may disconnect the wire harness or dislodge or damage the dispenser actuator SOLUTION Case 1 The wire harness becomes disconnected Reconnect the wire harness Case 2 The dispenser actuator is rotated but not pulled out...

Page 28: ...e handle For Model LUDP8997 Remove front cover screws then follow steps 1 3 above Hook Hook ྙ ྛ Hook Screw driver ྚ Hook 2 Removing Handle Pull the handle forward to separate from hook Push the 2 hooks Left Right Remove the Handle For models LDT7797 LDT5665 LSDF9897 LDT7808 LSDT9908 SKSDW24 LDT6809 Pull out the Control Panel Assembly from the inside of Front Cover Remove the 2 screws for sub contr...

Page 29: ...amaged Dispenser Assembly ODQJH HIW ODQJH 5LJKW Connector ྜ Dispenser ྜ ྜ ODQJH RWWRP Using Dispenser Service Jig Close the Door Disconnect Electrical wire connectors from dispenser Insert the two side pieces into the inside of the dispenser Insert the bottom piece After all three pieces have been inserted open the door and pull the dispenser from the bottom up and pull out When pulling the dispen...

Page 30: ...ing New Dispenser Verify the status of the flanges on the inner door Place the support jig then insert the new dispenser Make sure that all flanges fit properly into the dispenser hooks Keep fingers and hands away from pinch points to avoid injury ...

Page 31: ...ull the Rope and Spring Remove the Rope from the Roller Remove the Spring from the Base 2 5 Door Liner ྙ Hinge Supporter ྜ Rope Holder Base ྚ ྛ Replacing Door Liner Open the door Press the Rope Holder Put Rope Holder into the Base Pull the Door Liner and remove it from the Hinge Supporter CAUTION Door may drop ...

Page 32: ...lder Lower Frame Remove 2 screws Press the holder hook as shown in figure Remove the Harness Holder Remove the Overflow Hose from the Lower Frame For LUDP8997 Model Remove the insulation sheet then follow steps 1 through 3 above Take care not to lose or damage the overflow hose ...

Page 33: ... Models Slide all racks forward to remove For This Model Only LDT5665 LDF5545 LDB4548 Removing Racks 3 Rack Models Remove all Racks For This Model Only LUDP8997 LDT7797 LDP6797 LDP5676 LSDF9897 LDT7808 LSDT9908 LDT5678 LDF5678 LDP7708 SKSDW24 LDT6809 LDP6809 LDPS6844 LDP7808 ...

Page 34: ...isengage it Grab the Rack and push it back to remove rack from 2 rear hooks For This Model Only LUDP8997 LDT7797 LDP6797 LSDF9897 LDT7808 LSDT9908 LDP7708 SKSDW24 LDP7808 Reassembling Gliding Upper Rack Fully extend glide rails Set rear of rack on rails and pull it forward Snap front of rack down into hooks Slide the Upper Rack backwards and forwards to check its ease of movement 5HDU RRN URQW RRN...

Page 35: ...r Clamp 3 2 Pull up the Lower Connector and remove Remove the Water Guide from the Tub Bracket Top Remove the Water Guide from the Tub Bracket Center For Models LSDF9897 LDT7808 LSDT9908 LDP7708 SKSDW24 LDT6809 LDP6809 LDPS6844 LDP7808 Assembling New Lower Connector Assemble the Lower Connector properly to the guideline shown here and tightly secure the clamp Caution Do not remove the lower water ...

Page 36: ...the Air Guide from Drain Hose Take care not to lose or twist the rubber packing around the drain hose Hook Screw driver ྙ ྚ 3 2 Disassembling Hall sensor Hold the sensor and use a screwdriver to release the hook Remove the Hall sensor Inlet Valve Drain Case 4 Removing Inlet Valve Remove the 2 screws Disconnect the connector Remove the Clamp on the Inlet valve Remove the Inlet Valve 5 Removing Drai...

Page 37: ... off Disconnect the connector Use care and move slowly when pulling out the main PCB VORW KRRN KRRN Attaching the Fire Retardant Sheet Remove backing from double sided tape Put the hook through the slot and attach the sheet up to the red line Fold the remaining part of the sheet Assemble the Safety Cover For This Model Only LUDP8997 Main PCB ...

Page 38: ...er Holder Remove the Pump Assembly Remove the Earth screw 8 1 Removing Hinge Supporter Rail Assembly For models LDP5676 LDT5665 LDF5545 LDT5678 LDF5678 LDT6809 LDP6809 LDPS6844 and LDB4548 only Remove the Hinge Supporter screw Remove the Hinge supporter from Base hook Slide a screwdriver into the gap between the stopper roller and the rail roller and twist the screwdriver to release the rail assem...

Page 39: ... Hook hold the Glide Rail and slide rail backwards Rear Hook Rear Hook Detail View TQPV QQM Front Hook Rear Hook Hook Reassembling New Glide Rail For This Model Only LUDP8997 LDT7797 LDP6797 LSDF9897 LDT7808 LSDT9908 LDP7708 SKSDW24 LDP7808 Align the Glide Rail holes and the Hooks Pull on the Glide Rail to fully assemble it Slide a flat blade screwdriver into the gap between hook and tub and relea...

Page 40: ... of the tub to remove it Take care not to pull the water guide and cause damage to the water guide tub bracket joints 10 Replacing Latch Remove the cover sheet Disassemble the harness of latch Open the door Loosen 2 screws of latch Hold the body of latch then pull the latch to rear Stick the cover sheet back again Note When you replace the latch it should not be operated Refer to below pictures If...

Page 41: ...o Switch Soil Sensor 1 Removing Vario Motor Cam Remove 2 screws for Vario Motor Pull the Vario Motor Cam and Micro switch 2 Removing Soil Sensor Remove the wire connections Pull up Soil sensor O ring Thermistor 3 1 Removing Thermistor Remove the screw Pull the Thermistor and O ring ...

Page 42: ... the Lower Cover and Lower Frame Remove the Lower Nozzle and Sump Case Remove the Main PCB from the Base Pull out the Steam Nozzle Hose Between Tub and Sump Remove the Cover from bottom of the Base Remove the Clamp and Steam Nozzle Hose from the Motor Remove the Steam Nozzle Hose Take care not to dislodge the cap while removing the hose or the ball bearings may be lost Make sure the steam nozzle h...

Page 43: ...For Authorized Service Technicians 43 Steam Model 2 Door Liner Assembly 1 Steam nozzle Remove the 4 Screws Pull the Steam nozzle and Bracket ...

Page 44: ... 3 The inner hole of drain case is blocked 4 The Air gap is clogged 5 The Knock out plug of garbage disposal not removed 6 The Washing Motor locked or defective 7 Wiring connection is OK 8 The Impeller of Drain motor is stuck 9 The Controller is damaged 1 Clean the filter assembly 2 Remove the cause of kink or block 3 Repair or Replace the Drain Motor 4 Clean the Air Gap 5 Remove knock out plug 6 ...

Page 45: ... is damaged 6 The Relay Circuit is OK 1 Check and reconnect the wire 2 Check the temperature If the temperature is displayed adjust the Inlet Water Temperature to 120 3 Check the electric resistance of Thermistor 4 Check the electric resistance of Heater Replace the Pump casing assembly 5 Replace the Controller 6 Replace the Relay Circuit MOTOR ERROR displayed Condition The Motor is workingabnorma...

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Page 56: ...main PCB assembly Reconnect or repair the connector Is the connector connected to PCB Noise filter disconnected or disassembled Is Chip LED on while the power is on Check the fuse or reset the circuit breaker Alternate with explanation Reconnect the connector or repair the harness Is the current rating of multi outlet power strip enough Avoid connecting several electric devices Is the connector co...

Page 57: ...s not satisfactory Top basket Using a wash booster will help remove spots residue and hard water white film Reduce the amount of Rinse aid a Wash filter assembly b Check the rotation of spray arms lower upper top nozzle a Does the upper nozzle fit properly to the water guide Reassemble or replace the upper nozzle or water guide b Does the water guide fit properly to the sump Reassemble or replace ...

Page 58: ...e the upper nozzle or water guide b Does the water guide fit properly on the sump Reassemble or replace the water guide a Does the top nozzle fit properly on the water guide Reassemble or replace the top nozzle or water guide b Does the water guide fit properly on the sump Reassemble or replace the water guide After washing are there water drops on the dishes or inner tub Is the drying result of c...

Page 59: ... Fuse or Circuit Breaker of house is O K The Power Switch or the Circuit is O K Re connect the power connection Was there a power failure Replace the Fuse or Circuit Breaker of house Check the Power Switch or the circuit and repair it Check the Controller Power Circuit 7 3 TROUBLE DIAGNOSES AND REPAIR BY SYMPTOM NO NO YES YES YES NO ...

Page 60: ...sh Pump Motor does not run The Door is tightly closed The Wiring connections are OK close the Door tightly Check the Door Switch in Latch Handle Re connect the wiring connections related to the Washing Motor Replace the Wahing Pump Motor NO NO YES YES ...

Page 61: ...e Technicians 61 28 28 Power Button not automatically off after operation Make sure the button is not blocked by foreign materials Check the Power Switch Replace it if necessary Check the Controller Replace it if necessary ...

Page 62: ...For Authorized Service Technicians 62 8 INSTALLATION INSTRUCTIONS 3 5 2 5 4 ...

Page 63: ...For Authorized Service Technicians 63 ...

Page 64: ...For Authorized Service Technicians 64 ...

Page 65: ...For Authorized Service Technicians 65 2 3 ...

Page 66: ...For Authorized Service Technicians 66 ...

Page 67: ...For Authorized Service Technicians 67 ...

Page 68: ...ated properly grounded branch circuit to connect the 3 wire setup which includes the ground wire If a 3 prong power supply is used it should be in an accessible location adjacent to the dishwasher within 4 ft 1 22 m of the dishwasher side and not behind the dishwasher The best location for the electrical conduit is on the right side of the back wall Re route the electrical cable before installatio...

Page 69: ...box in the appliance 8 Pair the white black and green wires to the matching colored wires from the dishwasher Then twist on the provided wire nuts tightly to connect the corresponding wires 9 Wrap electrical tape around each connection 10 Fold the connected wires back into the junction box and screw on the junction box cover WARNING Verify that the black wire is hot 120 V If not or if you are unsu...

Page 70: ...For Authorized Service Technicians 70 ...

Page 71: ...For Authorized Service Technicians 71 ...

Page 72: ...For Authorized Service Technicians 72 ...

Page 73: ...a square drive wrench or square drive wrench with socket to turn the front leveling feet and adjust the front of the tub Adjust the front and rear leveling legs until they are all in firm contact with the floor Failure to level the dishwasher may prevent the door from closing properly and the dishwasher will not turn on Adjusting Rear Leveling Foot Use a Phillips screwdriver to adjust the rear lev...

Page 74: ...rtop or cabinet If the dishwasher is not leveled properly the door may not close properly or water may leak NOTE Installation brackets and screws can be found in the silverware basket Use a magnetic screwdriver Cover the filter hole with towels to prevent screws from falling down into the pump Securing Dishwasher to Countertop Use the bracket screws provided to secure the brackets at the top of th...

Page 75: ... install cabinet baseboard as it may cause noise and leakage Installation Check Error Codes Refer to the chart below before calling for service Error Code Possible Cause and Solution OE Error Drain hose is kinked or pinched Feed the drain and water supply hoses through the hole under the sink Then gradually slide the dishwasher into the cabinet while pulling on the hoses under the sink to take up ...

Page 76: ...For Authorized Service Technicians 76 9 EXPLODED VIEW Exploded View E005 A040 F001 M050 F101 E010 A130 LDT5678 LDF5678 LDT5665 LDF5545 LDB4548 ...

Page 77: ...For Authorized Service Technicians 77 Exploded View E005 A040 F001 M050 A030 F101 E010 A130 LDP7708 LDP6797 LDP5676 LDT6809 LDP6809 LDPS6844 ...

Page 78: ...For Authorized Service Technicians 78 Exploded View E005 A040 M050 F101 E010 A130 F240 F240 F001 A030 LUDP8997 LDT7797 LSDF9897 LDT7808 LSDT9908 SKSDW24 LDP7808 ...

Page 79: ...For Authorized Service Technicians 79 F040 F060 F041 F022 F050 F143 F132 F105 F117 F144 F215 F117 F173 F171 Tub Assembly LDT5665 LDF5545 LDB4548 ...

Page 80: ...For Authorized Service Technicians 80 F040 F060 F041 F022 F050 F143 F117 F132 F117 F144 F117 F117 F106 F216 F105 F215 F173 F171 Tub Assembly LDP5676 LDT5678 LDF5678 LDT6809 LDP6809 LDPS6844 ...

Page 81: ...echnicians 81 F040 F060 F041 F022 F050 F143 F117 F132 F117 F144 F106 F171 F216 F217 F107 F050 F143 F117 F132 F117 F144 F106 F216 F173 F171 Tub Assembly LUDP8997 LDT7797 LDP6797 LSDF9897 LDT7808 LSDT9908 LDP7708 SKSDW24 LDP7808 ...

Page 82: ...Authorized Service Technicians 82 F013 F011 F014 M100 M210 M090 M260 A160 K254 M250 M105 M266 M266 M266 F013 F015 F011 Base Assembly LDT7797 LDP6797 LDP5676 LDT5665 LDF5545 LDB4548 LDP7808 LSDF9897 LDT7808 ...

Page 83: ... 83 For Authorized Service Technicians Only SKSDW24 LDPS6844 F013 F011 F014 M100 M210 M090 M260 A160 K251 M250 M105 M266 M266 M266 F013 F015 F011 K253 Base Assembly ...

Page 84: ...For Authorized Service Technicians 84 F013 F011 F014 M100 M210 M090 M260 A160 M250 M105 M266 M266 M266 F013 F015 F011 K252 K254 Base Assembly LUDP8997 ...

Page 85: ...For Authorized Service Technicians 85 F013 F011 F014 M100 M210 M090 M260 A160 K254 M250 M105 M266 M266 M266 F013 F015 F011 Base Assembly LDT6809 LDP6809 LSDT9908 LDF5678 LDT 5678 LDP7708 ...

Page 86: ...For Authorized Service Technicians 86 A150 A146 A159 A165 A154 A153 A157 A070 A060 A055 A101 A151 A155 A156 Upper Rack Assembly LDF5545 LDT5678 LDF5678 LDB4548 ...

Page 87: ...For Authorized Service Technicians 87 LDP5676 LDT5665 LDT6809 LDP6809 LDPS6844 Upper Rack Assembly A150 A080 A157 A159 A165 A146 A101 A153 A070 A060 A055 A154 A151 A156 A155 ...

Page 88: ...For Authorized Service Technicians 88 LDP6797 Upper Rack Assembly A150 A080 A157 A159 A165 A146 A101 A153 A070 A060 A055 A154 A151 A156 A155 ...

Page 89: ...Authorized Service Technicians 89 LUDP8997 LDT7797 LSDF9897 LDT7808 LSDT9908 LDP7708 SKSDW24 LDP7808 Upper Rack Assembly A150 A080 A157 A165 A159 A146 A101 A153 A070 A060 A055 A154 A151 A159 A165 A156 A155 ...

Page 90: ...For Authorized Service Technicians 90 F191 F192 F193 A050 Water Guide Assembly ...

Page 91: ...For Authorized Service Technicians 91 A050 F191 F194 Water Guide Assembly LDP7708 LSDF9897 LDT7808 LSDT9908 SKSDW24 LDT6809 LDP6809 LDPS6844 LDP7808 ...

Page 92: ...For Authorized Service Technicians 92 LDF5545 LDT5678 LDF5678 LDB4548 A140 A146 A141 A147 A142 A110 A179 A181 A180 A182 Lower Rack Assembly ...

Page 93: ...uthorized Service Technicians 93 A140 A181 A183 A184 A182 A188 A187 A191 A192 A190 A189 A185 A186 A172 A141 A146 A142 A145 A148 A110 A147 Lower Rack Assembly LDP6797 LDP5676 LDT5665 LDT6809 LDP6809 LDPS6844 ...

Page 94: ...For Authorized Service Technicians 94 A141 A187 A185 A186 A182 A181 A188 A184 A183 A148 A142 A145 A172 A110 A140 Lower Rack Assembly LUDP8997 LDT7797 LSDF9897 ...

Page 95: ...or Authorized Service Technicians 95 A143 A143 A142 A141 A187 A185 A186 A182 A181 A188 A184 A183 A148 A143 A145 A172 A110 A140 A143 A142 A143 Lower Rack Assembly LDT7808 LSDT9908 LDP7708 SKSDW24 LDP7808 ...

Page 96: ...For Authorized Service Technicians 96 A171 A170 3rd Rack Assembly ...

Page 97: ...For Authorized Service Technicians 97 A170 3rd Rack Assembly Only LDT5678 LDF5678 LDT6809 LDP6809 ...

Page 98: ...For Authorized Service Technicians 98 K200 Panel Assembly LDP6797 LDP5676 LDF5545 LDF5678 LDP7708 LDB4548 LDP6809 LDPS6844 LDP7808 ...

Page 99: ...For Authorized Service Technicians 99 K200 K220 K232 K250 K233 K240 K230 K210 Panel Assembly LDT7797 LDT5665 LSDF9897 LDT7808 LSDT9908 LDT5678 SKSDW24 LDT6809 ...

Page 100: ...For Authorized Service Technicians 100 K200 K210 K240 K220 Panel Assembly LUDP8997 ...

Page 101: ...For Authorized Service Technicians 101 K030 K217 Front Cover Assembly LUDP8997 LDP6797 LDP5676 LDF5545 LDF5678 LDP7708 LDB4548 LDP6809 LDPS6844 LDP7808 ...

Page 102: ...For Authorized Service Technicians 102 LDT7797 LDT5665 LDT7808 LDT5678 LDT6809 K031 K030 K231 K005 K217 K222 Front Cover Assembly ...

Page 103: ...For Authorized Service Technicians 103 Front Cover Assembly LSDF9897 LSDT9908 K217 K031 K231 K030 K005 ...

Page 104: ...For Authorized Service Technicians 104 Front Cover Assembly SKSDW24 K217 K031 K231 K030 K005 ...

Page 105: ...For Authorized Service Technicians 105 K100 K101 K122 K121 K112 F142 K111 F141 F174 K001 F175 K116 K117 K114 K113 K124 K110 Door Liner Assembly LDB4548 LDF5545 LDF5678 LDP5676 LDP6797 LUDP8997 ...

Page 106: ...For Authorized Service Technicians 106 K150 K100 K101 K122 K121 K112 F142 K111 F141 F174 K001 F175 K116 K117 K114 K113 K124 K110 Door Liner Assembly LDP6809 LDP7708 LDP7808 LDPS6844 ...

Page 107: ...For Authorized Service Technicians 107 K115 K117 K100 K113 K114 K122 F174 K001 F175 K110 K124 K112 K111 F142 F141 K121 K101 Door Liner Assembly LDT5665 LDT5678 LDT7797 ...

Page 108: ...For Authorized Service Technicians 108 K115 K117 K100 K113 K114 K122 F174 K001 F175 K110 K124 K112 K111 F142 F141 K121 K101 Door Liner Assembly LDT6809 LDT7808 LSDF9897 LSDT9908 SKSDW24 ...

Page 109: ...For Authorized Service Technicians 109 M120 M070 M071 M138 M025 M087 M027 M028 M026 M126 M133 M139 M136 M030 M137 M007 A120 M136 Sump Assembly ...

Page 110: ...For Authorized Service Technicians 110 M120 M070 M071 M138 M025 F100 F104 M139 M136 M030 M137 M007 A120 M136 M087 M027 M028 M026 M126 M133 Sump Assembly LDP7708 SKSDW24 LSDF9897 LDT6809 LDP6809 LDPS6844 ...

Page 111: ...For Authorized Service Technicians 111 M120 M070 M071 M138 M025 F100 F104 M139 M136 M030 M137 M007 M136 M087 M027 M028 M026 M126 M133 A195 Sump Assembly LDP7808 LSDT9908 LDT7808 ...

Page 112: ...For Authorized Service Technicians 112 M120 M070 M071 M138 M025 M087 M027 M028 M026 M126 M133 M139 M136 M030 M137 M007 M136 A195 Sump Assembly LDT7797 LDP6797 LDT5665 LDF5545 LDB4548 LUDP8997SN ...

Page 113: ...ice Technicians 113 LDF567 LDT567 LDP679 LDP567 LDT566 LDF554 LDB4548 Series LUDP899 LDT779 Series LSDF989 LDT780 LSDT990 SKSDW24 LDP7808 Series LDP770 LDT6809 LDP6809 LDPS6844 Series 10 WIRING DIAGRAM 10 1 WIRING DIAGRAM ...

Page 114: ...RRU 6HQVLQJ 1 RRU 6HQVLQJ ORZ PHWHU DOO 6HQVRU 9 0 5GPUKPI ORZ PHWHU DOO 6HQVRU 1 ORZ PHWHU DOO 6HQVRU 6LJQDO RRU 6HQVLQJ 9DULR 6HQVLQJ 6LJQDO DVH ORDW 6HQLQJ 6 9 DVH ORDW 6HQLQJ 6LJQDO TCKP QVQT 3KDVH 9 3KDVH 8 3KDVH 4 9CUJKPI QVQT 8 3KDVH 3KDVH 9 3KDVH 4 5GPUKPI 5LQVH 5HILOO 6HQVLQJ 6LJQDO 5LQVH 5HILOO 9 6XPS 7KHUPLVWRU 6LJQDO 7XELGLW 6HQVLQJ 9 7XELGLW 6HQVLQJ 6LJQDO 7XELGLW 6HQVLQJ 1 4 GCVGT 0 ...

Page 115: ...ermistor 5V 4 Flow meter Hall Sensor 5V 5 6 Vario Sensing Signal 7 Base Float Sensing SB 5V 8 Base Float Sensing Signal WH6 DC Load 1 2 3 Dispenser 4 Dispenser GND 5 Inlet Valve 6 Inlet Valve GND WH4 Door Sensing 1 Door Sensing1 2 GND 3 Door Sensing2 4 CN1 Main Dispaly 1 RX 2 TX 3 DC GND 4 DC 16 5V 5 6 7 Display to Main Relay On Signal 8 DC 5V 9 Base Float Sensing Signal 10 Tub lamp sensing NA4 AC...

Page 116: ...For Authorized Service Technicians 116 1 0DLQ LVSOD 5 0DLQ 7 0DLQ 1 9 LVSOD WR 0DLQ 5HOD 2Q 6LJQDO 9 DVH ORDW 6HQVLQJ 6LJQDO RRW 1 1 9 1 026 1 2 1 54 1 0 62 1 10 3 DISPLAY PCB ...

Page 117: ... 9 3UHVVXUH 6HQVLQJ RRU 6HQVLQJ 7XE DPS RRW 0 GDWIIGT 1 9 02 2 B 7 2 B 5HVHW 1 0 6QWEJ 2 9 6HJB 6HJB67 6HJB DWD 1 0 2TQITGUU 2 B5HG B KLWH B UHHQ 9 0 VQ 6QWEJ 2 9 3RZHU 2XW 76 6 6 1 0 9 9 B5 B7 1 0 VQ CKP 2 7 5 1 9 5 B68 B287 9 3UHVVXUH 6HQVLQJ RRU 6HQVLQJ 7XE DPS RRW 10 4 MCU PCB For This Model Only LDT7797 LDT5665 case1 LSDF9897 LDT7808 LSDT9908 LDT5678 SKSDW24 LDP7808 LDT6809 case2 ...

Page 118: ...B 7 2 B 5HVHW 1 0 VQ CKP 2 7 5 1 9 5 B68 B287 9 3UHVVXUH 6HQVLQJ RRU 6HQVLQJ 7XE DPS RRW 0 VQ6QWEJ 2 1RVKQP 9 6 1 6 6 1 6 7 1 7 6 1 7 6 1 0 VQ 6QWEJ 2 2 9 6 1 6 7 6 7 1 7 6 1 6 1 0 6QWEJ 2 9 6HJB 6HJB67 6HJB DWD 1 0 2TQITGUU 2 B KLWH B5 B UHHQ 9 For This Model Only LUDP8997 ...

Page 119: ...For Authorized Service Technicians 119 Appendix ...

Page 120: ...P No MFL37554814 ...

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