LG LDF5545ST Service Manual Download Page 104

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For Authorized Service Technicians

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10-4. MCU PCB

※

For This Model Only
(LDT7797*,LDT5665**)

- case1

LSDF9897**,LDT7808**,LSDT9908**
- case2

Summary of Contents for LDF5545ST

Page 1: ... 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 graphics or logos in this Serv...

Page 2: ......

Page 3: ...chaRt 18 6 how to disassemble 30 7 tRoubleshooting methods 47 7 1 tRoubleshooting accoRding to display eRRoR message 47 7 2 tRoubleshooting methods 49 7 3 diagnosis and RepaiR by symptom 60 8 installation instRuctions 63 9 exploded view 72 10 wiRing diagRams 100 10 1 wiRing diagRam 100 10 2 main pcb 101 10 3 display pcb 102 10 4 mcu pcb 103 ...

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: ...te black tub material stainless steel control electronics Rated power watt 1 350 heater power watt 1 200 programs 10 xd4 5 9 upper Rack position adjustable lower Rack fold down water consumption 9 4 20 5 normal power consumption kwh year 258 nomal ludp8997 269 normal operating time min 110 150 normal fan dry system yes delay start function yes auto off power switch yes process monitor yes wash lev...

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: ...t 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 Load and E...

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: ...de 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 Power button on the control panel This feature does not lock the door While...

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: ...rol 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 new cycle deactivate Contr...

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: ...ill 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 TIME Washing Position Washing Heater Vario Valve Closed Un Detectin...

Page 17: ...Panel 2 Door Handle 3 Front Cover 4 Lower Cover 5 Shipping Brace 6 Safety Cover 7 SignalLight 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 Ra...

Page 18: ...ఁ ఁ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ Ͷͷ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ Ά Ά Ζ Β Χ Ϊ ΚΞΖ ΚΞΖ ΆΡ Ρ Ζ Σ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ Ͷͷ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ Ά Ά Ζ Β Χ Ϊ ΚΞΖ ΚΞΖ ͽΠ Ψ Ζ Σ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ Ͷͷ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ Ά Ά Ζ Ν Κ Δ Β Υ Ζ ΚΞΖ ΚΞΖ ΚΞΖ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ ఁ Ͷͷ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ Ά Ά Ζ Ν Κ Δ Β Υ Ζ ΚΞΖ ΚΞΖ ΚΞΖ ΆΡ Ρ Ζ Σ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ ఁ Ͷͷ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ͷͷ...

Page 19: ...Υ ΠΡ ΈΒΤ Ι Υ ΠΡ ΈΒΤ Ι Υ ΠΡ ΈΒΤ Ι Υ ΠΡ ΣΒ ΚΟ Υ ΠΡ ΣΒΚΟ ʹΠΞ ΡΝΖΥΖ ΚΞΖ ΚΞΖ ΚΞΖ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ ఁ ఁ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ Ͳ Ά ΚΞΖ ΚΞΖ ΚΞΖ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ ఁ ఁ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ Ͳ Ά ΚΞΖ ΚΞΖ ΚΞΖ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ ఁ ఁ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ Ͳ Ά ΚΞΖ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ Ͷͷ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ά ΚΞΖ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ Ͷͷ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ά ΚΞΖ ...

Page 20: ...ͽ ͽ ͽ Ͷͷ ͽ Ͷͷ ͽ ͽ ͽ Ά ΣΖ ΥΖΒΞ ΚΞΖ ΚΞΖ ఁ ఁ ఁ ఁ צ ఁ צ ఁ ఁ ఁ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ Ͷͷ ͽ Ͷͷ ͽ ͽ ͽ Ά ΣΖ ΥΖΒΞ ΚΞΖ ΚΞΖ ΚΞΖ ΖΞΡ ΚΞΖ ΚΞΖ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ צ ఁ צ ఁ ఁ ఁ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ͷͷ ͽ Ͷͷ ͽ ͽ ͽ Ά Ά Ά ΣΖ ΥΖΒΞ ΚΞΖ ΚΞΖ ΚΞΖ ΖΞΡ ΚΞΖ ΚΞΖ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ צ ఁ צ ఁ ఁ ఁ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ͷͷ ͽ Ͷͷ ͽ ͽ ͽ Ά Ά Ά ΣΖ ΥΖΒΞ ΚΞΖ ΚΞΖ ΚΞΖ ΖΞΡ ...

Page 21: ... ͽ ͽ Ͷͷ ͽ Ͷͷ Ͷͷ Ͳ Ͳ Ͷͷ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ά Ά Ά Ά Ά ΣΖ ΥΖΒΞ ΚΞΖ ΚΞΖ ΚΞΖ ΚΞΖ ΚΞΖ ΚΞΖ ΚΞΖ ΖΞΡ ΚΞΖ ΚΞΖ ΖΞΡ ΚΞΖ ΖΞΡ ఁ ఁ ఁ ఁ צ ఁ צ צ ఁ ఁ ఁ ఁ צ צ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ Ͷͷ ͽ Ͷͷ Ͷͷ Ͳ Ͳ Ͷͷ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ά Ά Ά Ά Ά ΣΖ ΥΖΒΞ ΚΞΖ ΚΞΖ ΚΞΖ ΚΞΖ ΚΞΖ ΖΞΡ ΚΞΖ ΖΞΡ ఁ ఁ ఁ ఁ צ צ ఁ ఁ ఁ ఁ צ צ צ ఁ ఁ ఁ ఁ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ Ͷͷ Ͷͷ Ͳ Ͳ Ͷͷ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ Ά Ά ΣΖ ΥΖΒΞ ΚΞΖ...

Page 22: ... Ά ΚΞΖ ΚΞΖ ఁ צ ఁ ఁ ఁ ఁ Ͷͷ ͽ Ͷͷ ͽ ͽ ͽ ͽ Ά Ά ΚΞΖ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ Ͷͷ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ Ά ΚΞΖ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ Ͷͷ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ Ά ΚΞΖ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ Ͷͷ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ Ά ΚΞΖ ΖΞΡ ΚΞΖ ΖΞΡ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ ఁ Ͷͷ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ ͽ Ά Ά ΚΞΖ ΖΞΡ ΚΞΖ ΖΞΡ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ ఁ Ͷͷ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ ͽ Ά Ά ΚΞΖ ΖΞΡ ΚΞΖ ΖΞΡ ఁ ఁ ఁ ఁ צ ఁ ఁ ఁ ఁ Ͷͷ ͽ ͽ ͽ ͽ Ͷͷ ͽ ͽ ͽ ͽ Ά Ά ΚΤΡΖΟΤΖΣ 爎 ΚΞΖ צ ఁ ఁ ఁ Ͷͷ Ͷͷ ͽ ͽ ΚΞΖ ΚΞΖ ఁ ఁ ఁ ఁ ఁ ...

Page 23: ... ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ ΚΞΖ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ά Ά Ά Ά Ά Ά ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ ΚΞΖ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ά Ά Ά Ά Ά Ά ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ ΚΞΖ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ά Ά Ά Ά Ά Ά ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ ΚΞΖ צ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ ఁ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ ͽ ͽ ͽ ͽ Ά Ά Ά Ά Ά Ά ΖΞΡ ΖΞΡ ΚΞΖ צ ఁ ఁ ఁ ఁ ఁ ఁ Ͷͷ Ͷͷ ͽ ͽ ͽ ͽ Ά Ά ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ ΖΞΡ...

Page 26: ...WP sOX WWP s Y JJJ sOYXWWP sOY WWP sOY WWP sOY WWP JJJJ sOX WWP sOX WWP s X JJJ sOYXWWP sOY WWP sOY WWP sOY WWP JJJJ sOX WWP sOX WWP s X JJJ sOYXWWP sOY WWP sOY WWP sOY WWP JJJJ sOX WWP sOX WW s Y JJJ sOYXWWP y _ X JJJ X JJJ X JJJ X JJJ y y_W o y_X O P y_Y Oz Gv P ZUYWG WG WG WG WG WG WG WG ZUZWG WG WG WG WG WG WG WG ZUZWG WG WG WG WG W W W ZU_WG WG WG G WG y_Z X JJJ X OᴴP J YW XYW YW Y Y XW Y Y X...

Page 27: ... GMG GMG WG WG WG ZU_WG WG WG G WG WG WG WG WUZWG WG XUWWG WU_WG XW G JJJJ XW G JJJJ ZUXWG WG WG G WG WG G WG WG WG WG WG XW Y Y XW Y Y XW Y X Y JJJ X _OᴴP J YW X_W YW Y Y XW Y Y XW Y Y XW Y X Y JJJ X OᴴP Y Y XW Y X X X_OᴴP X X X X OᴴP X W W W XYW OᴴP J YW Z W Y W OᴴP _W _W X W _ _ _ _ YW Y Y XW Y Y XW Y Y XW Y sOY WWP sOY WWP sOY WWP JJJJ sOX WWP sOX WW s X JJJ sOYXWWP sOY WWP sOY WWP sOY WWP YG䟀...

Page 28: ... W X_ X X_ X YYXX YW YZ Y X Y JJJJ sOX WWP sOX WW s Z JJJ s Z JJJ JJJJ sOX WWP sOX WW s Z JJJ JJJJ sOX WWP sOX WWP s Y JJJ s Y JJJ s Y JJJ s Y JJJ Z JJJ Z JJJ Z JJJ YU JJJ YU JJJ YU JJJ YU JJJ X JJJ z Gv GMG GMG GMG ZUZWG WG WG G G ZUZWG WG WG _G ZUZWG WG WG XWWG WG WG XG WG WG X Y JJJ X OᴴP J YW Y W W Y X Y JJJ X OᴴP J YW Y W Y X Y JJJ X OᴴP J YW W _ W _ W _ W ZW W X YX X YX X X X X X Y Y X Y JJJ...

Page 29: ...G JJJJ XW G JJJJ X U WG Y U_WG z _W_ _WW_ _ _ Y_ X X X_OᴴP X X X X OᴴP X W W W W Y X Y JJJ ZWW ZWW ZWW X WW Y WW YXWW X XWOᴴP W X XWOᴴP W X JJJ YW ZY Y Y Z X Z ZW t Xa YaX YaXW YaW_ YaZ_ XZ G䟀 JJJJ hOX WW OWP h OX WW OWP XUWWG WU_WG XW G JJJJ XW G JJJJ X U WG Y U_WG z X _ Z _ W _ _ _ W_ X X X_OᴴP X X X X OᴴP X W W W W Y X Y JJJ ZWW ZWW ZWW X WW Y WW YXWW X XWOᴴP W X XWOᴴP W X JJJ YW ZY Y Y Z X Z Z...

Page 30: ...For Authorized Service Technicians 30 6 HOW TO DISASSEMBLE 1 Lower Cover 1 Remove the front 2 screws ...

Page 31: ...isassembling 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 or damaged Reposition the dispenser...

Page 32: ...DP8997 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 Pull out the Control Panel Assembly from the inside of Front Cover Remove the 2 screws for sub controller Sub Controller ...

Page 33: ...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 34: ...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 35: ...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 36: ...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 37: ... 4 Tub Assembly Removing Racks 2 Rack Models Slide all racks forward to remove For This Model Only LDT5665 LDF5545 Removing Racks 3 Rack Models Remove all Racks For This Model Only LUDP8997 LDT7797 LDP6797 LDP5676 LSDF9897 LDT7808 LSDT9908 ...

Page 38: ...DT9908 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 ULYHW 2 Removing Nozzle Water Guides Remove the 2 screws on the Lower Nozzle Pull up the Lower Nozzle and remove Remove the screw and clip on the Water Guide Remov...

Page 39: ...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 40: ... 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 41: ...se Clamp Remove the Rubber Holder Remove the Pump Assembly Remove the Earth screw 8 1 Removing Hinge Supporter Rail Assembly For models LDP5676 LDT5665 and LDF5545 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 assembly Insert the blade of a...

Page 42: ...ove the Hinge Supporter from Base Hook RearHook RearHook Detail View TQPV QQM Front Hook Rear Hook Hook 8 3 Removing Rail Assembly all other models Detach the Glide Rail from the Front Hook Push the Glide Rail slightly backwards While pushing on the Rear Hook hold the Glide Rail and slide rail backwards ...

Page 43: ...p between hook and tub and release the front and rear hooks Push the hook down Check point Make sure that the Glide Rail is assembled tightly If it is not assembled properly it may come apart ྛ Base ྚ Base Hook Hinge Supporter ྜ ྜྷ Sump Cover ྙ 9 Removing Sump Base Remove the 7 screws on the sump cover Remove the 2 screws on the base Remove the Roller Remove the Hinge supporter from Base hook Pull ...

Page 44: ...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 45: ... 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 46: ...For Authorized Service Technicians 46 Steam Model 2 Door Liner Assembly 1 Steam nozzle Remove the 4 Screws Pull the Steam nozzle and Bracket ...

Page 47: ... 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 48: ... 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...

Page 49: ...PEO GLVFRQQHFWHG RU GLVDVVHPEOHG 1 V WKH LPSHOOHU RI DLU EUHDNHU VSLQQLQJ SURSHUO V WKH KDOO VHQVRU RSHUDWH SURSHUO 7KH UHVLVWDQFH LV Ț GU GU GU GU 5HSODFH WKH PDLQ 3 DVVHPEO 5HSODFH WKH PDLQ 3 DVVHPEO 0Q 0Q 0Q 0Q 0Q 0Q KHFN DQG UHFRQQHFW WKH ZLUH 2SHQ WKH ZDWHU WDS 5HSODFH WKH LU EUHDNHU 5HSODFH WKH KDOO VHQVRU KHFN DQG UHFRQQHFW WKH ZLUH 5HSDLU WKH LQOHW KRVH QVWDOO WKH SUHVVXUH SXPS ORVH WKH ZD...

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Page 51: ...OHG SURSHUO 0Q GU HYHO WKH PDFKLQH FRUUHFWO GU 0Q 5HSODFH WKH GRRU OLQHU DVVHPEO V WKHUH WRR PXFK ZDWHU LQ WKH WXE 0Q 5HSODFH WKH LQOHW YDOYH RU DLU JXLGH GU 5HSODFH WKH PDLQ 3 DVVHPEO 8VHG SURSHU GLVKZDVKHU GHWHUJHQW GU 0Q 8VH GLVKZDVKHU GHWHUJHQW RQO R QRW XVH GLVKZDVKLQJ GHWHUJHQW For AE errors see the checklist below and provide more details on the repair report under Technical Remarks 1 Check...

Page 52: ...ROWDJH LV 9 GU RHV WKH LQOHW YDOYH RSHUDWH SURSHUO 7KH UHVLVWDQFH LV Ț GU 0Q 0Q 5HSODFH WKH LQOHW YDOYH 5HSODFH WKH PDLQ 3 V WKH YROWDJH EHWZHHQ FRQQHFWRUV RXW RI UDQJH SLQ a1 SLQ 7KH YROWDJH LV 9 GU RHV WKH KDOO VHQVRU RSHUDWH SURSHUO 7KH UHVLVWDQFH LV Ț GU 5HSODFH WKH PDLQ 3 DVVHPEO 0Q 5HSODFH WKH KDOO VHQVRU ...

Page 53: ...UDWH SURSHUO 7KH UHVLVWDQFH LV a Ț GU V WKH FRQQHFWRU FRQQHFWHG WR PDLQ 3 DVVHPEO GLVFRQQHFWHG RU GLVDVVHPEOHG 5 a GU 0Q 0Q 5HSODFH WKH WKHUPLVWRU 5HSODFH WKH WKHUPLVWRU V WKH YROWDJH EHWZHHQ FRQQHFWRUV RXW RI UDQJH 5 SLQ a1 SLQ 7KH YROWDJH LV a 9 GU 5HSODFH WKH PDLQ 3 DVVHPEO ...

Page 54: ...LVWDQFH LV Ț GU 0Q GU 0Q GU 5HSODFH WKH KHDWHU DVVHPEO KHFN WKH WHPSHUDWXUH 7HVW 0RGH I WKH WHPSHUDWXUH LV GLVSOD HG GMXVW WKH QOHW DWHU 7HPSHUDWXUH WR ȕ I WKH WHPSHUDWXUH LV QRW GLVSOD HG KHFN WKH ZLULQJ FRQQHFWLRQ KHFN WKH HOHFWULF UHVLVWDQFH KHFN WKH HOHFWULF UHVLVWDQFH RI 7KHUPLVWRU 5HSODFH WKH KHDWHU DVVHPEO 0Q V WKH YROWDJH EHWZHHQ FRQQHFWRUV RXW RI UDQJH 5 SLQ a 5 SLQ 7KH YROWDJH LV 9 GU 5H...

Page 55: ...LQJ PRWRU ORFNHG RHV WKH ZDVKLQJ PRWRU RSHUDWH SURSHUO 7KH UHVLVWDQFH LV a Ț DW Ȕ GU 0Q GU 0Q GU KHFN DQG UHFRQQHFW WKH ZLUH 5HSODFH WKH SXPS FDVLQJ DVVHPEO 5HSODFH WKH SXPS FDVLQJ DVVHPEO 0Q V WKH UHVLVWDQFH YDOHV VKRUW a Ț IWHU SXOO RXW WKH 5 FRQQHFWRU FKHFN WKH KRXVLQJ FRQQHFWRU 3LQ a 3LQ 3LQ a3LQ 3LQ a3LQ LQGLYLGXDOO GU 5HSODFH WKH PDLQ 3 DVVHPEO ...

Page 56: ... YDULR 6 DVVHPEOHG SURSHUO RHV WKH YDULR PRWRU RSHUDWH SURSHUO 7KH UHVLVWDQFH LV Ț GU GU GU 0Q 0Q KHFN DQG UHFRQQHFW WKH ZLUH 5HDVVHPEOH WKH YDULR 6 5HSODFH WKH YDULR PRWRU 0Q V WKH YROWDJH EHWZHHQ FRQQHFWRUV RXW RI UDQJH 5 SLQ a1 SLQ 7KH YROWDJH LV 9 GU 5HSODFH WKH PDLQ 3 DVVHPEO ...

Page 57: ...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 58: ...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 59: ...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 60: ... 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 61: ...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 62: ...e Technicians 62 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 63: ...ween the dishwasher and the adjacent wall 4 To allow for proper clearance of plumbing and literature to determine the clearance on the side of the cabinet where the cabinet meets the back wall Using a 2 1 2 in the target area as shown on the template 9 4 WARNING Don t use existing holes unless they are in the drain hose may be damaged by being crushed or kinked CAUTION Failure to properly locate t...

Page 64: ... WARNING circuit breaker before installation Do not use an extension cable or adapter plug with this dishwasher NOTE your retailer or contractor The included wire nut in 16AWG should be used Preparing Water Supply Connection Make sure the house water supply is turned off before connecting the dishwasher water lines 1 Connect the dishwasher to a hot water supply with a temperature range between 120...

Page 65: ... the body frame and the top front opening of the tub to move or lift the dishwasher NOTE Do not push the door of the dishwasher with knees Removing Lower Cover 1 Remove the two screws attaching the lower cover to the dishwasher 2 Remove the lower cover from the base 3 Remove the insulation pad from behind the access panel CAUTION take care not to damage the drain hose NOTE Do not forget to replace...

Page 66: ...e installation instructions in Securing Dishwasher to Countertop Cap Screw Sliding Dishwasher into Cabinet 1 Slide the dishwasher carefully into the cabinet opening 2 Make sure the drain hose inside the cabinet is not kinked or pinched 3 Make sure the water supply line and electrical supply are routed through the channels under the dishwasher 4 sure to pull on the drain hose while sliding the dish...

Page 67: ...shwasher may leak during operation if it is not correctly leveled Water level should be near the center of both tub lower indentations front legs and adjust the front of the tub Turn the front legs clockwise to raise the front of the tub and counter clockwise to lower it The adjustments work identically for both front legs Use a Phillips screwdriver to adjust the back legs and the rear of the tub ...

Page 68: ... bracket access holes 2 Drive a wood screw through the mounting bracket and into the cabinet frame 3 Reinstall the plastic caps Cap Screw Connecting Drain Hose 40 1016 mm max 12 305 mm min not supplied These may be obtained from a local plumbing supply store The two typical connections are shown To prevent used 8 16 mm 5 4 19 mm 3 1 25 mm cut off drain hose at dotted line For disposal or waste tee...

Page 69: ...ded Move into position and tighten the hose clamp Connecting to Disposal or Waste Tee with Air Gap 1 Remove the knockout plug with a hammer and screwdriver 2 Connect end of the drain hose to the air gap with hose clamp provided This avoids water being siphoned from the tub Air gap Rubber hose connector Drain hose 3 Attach the rubber connector to disposal or waste tee with the hose clamp provided M...

Page 70: ... NOTE The best location for the electrical conduit is on the right side of the back wall Re route the power cable before installation if the electrical conduit pipe is longer than 3 76 mm and is centered on the back wall 1 unit at the circuit breaker 2 Remove the junction box cover and then install the strain relief 1 2 3 Twist the wire nuts tightly onto the wires then wrap each connection with el...

Page 71: ...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 any slack This helps avoid kinking the hoses or trapping them beneath the dishwasher Drain hose connected to disposal Remove knockout plug on disposal Waste tee is clogged Remove knockout plug on waste tee IE Error Water supply line kinked under dishwasher...

Page 72: ...For Authorized Service Technicians 72 9 EXPLODED VIEW Exploded View E005 A040 F001 M050 F101 E010 A130 LDT5665 LDF5545 ...

Page 73: ...For Authorized Service Technicians 73 Exploded View E005 A040 F001 M050 F101 E010 A130 LDP6797 LDP5676 ...

Page 74: ...For Authorized Service Technicians 74 Exploded View E005 A040 M050 F101 E010 A130 F240 F240 F001 LUDP8997 LDT7797 LSDF9897 LDT7808 LSDT9908 ...

Page 75: ...For Authorized Service Technicians 75 F040 F060 F041 F022 F050 F143 F132 F105 F117 F144 F215 F117 F173 F171 Tub Assembly LDT5665 LDF5545 ...

Page 76: ...For Authorized Service Technicians 76 F040 F060 F041 F022 F050 F143 F117 F132 F117 F144 F117 F117 F106 F216 F105 F215 F173 F171 Tub Assembly LDP5676 ...

Page 77: ...ed Service Technicians 77 F040 F060 F041 F022 F050 F143 F117 F132 F117 F144 F106 F171 F216 F217 F107 F173 F171 F050 F143 F117 F132 F117 F144 F106 F216 Tub Assembly LUDP8997 LDT7797 LDP6797 LSDF9897 LDT7808 LSDT9908 ...

Page 78: ...For Authorized Service Technicians 78 F013 F011 F014 M100 M210 M090 M260 A160 K251 M250 M105 M266 M266 M266 F013 F015 F011 Base Assembly LDT7797 LDP6797 LDP5676 LDT5665 LDF5545 LSDF9897 LDT7808 LSDT9908 ...

Page 79: ...For Authorized Service Technicians 79 F013 F011 F014 M100 M210 M090 M260 A160 K251 M250 M105 M266 M266 M266 F013 F015 F011 K252 Base Assembly LUDP8997 ...

Page 80: ...For Authorized Service Technicians 80 A150 A146 A159 A165 A154 A153 A157 A070 A060 A055 A101 A151 A155 A156 Upper Rack Assembly LDF5545 ...

Page 81: ...For Authorized Service Technicians 81 LDP5676 LDT5665 Upper Rack Assembly A150 A080 A157 A159 A165 A146 A101 A153 A070 A060 A055 A154 A151 A156 A155 ...

Page 82: ...For Authorized Service Technicians 82 LDP6797 Upper Rack Assembly A150 A080 A157 A159 A165 A146 A101 A153 A070 A060 A055 A154 A151 A156 A155 ...

Page 83: ...For Authorized Service Technicians 83 LUDP8997 LDT7797 LSDF9897 LDT7808 LSDT9908 Upper Rack Assembly A150 A080 A157 A165 A159 A146 A101 A153 A070 A060 A055 A154 A151 A159 A165 A156 A155 ...

Page 84: ...For Authorized Service Technicians 84 F191 F192 F193 A050 Water Guide Assembly ...

Page 85: ...For Authorized Service Technicians 85 A050 F191 Water Guide Assembly LSDF9897 LDT7808 LSDT9908 ...

Page 86: ...For Authorized Service Technicians 86 LDF5545 A140 A146 A141 A147 A142 A110 A179 A181 A180 A182 Lower Rack Assembly ...

Page 87: ...For Authorized Service Technicians 87 LDP6797 LDP5676 LDT5665 A140 A181 A183 A184 A182 A188 A187 A191 A192 A190 A189 A185 A186 A172 A141 A146 A142 A145 A148 A110 A147 Lower Rack Assembly ...

Page 88: ...For Authorized Service Technicians 88 A141 A187 A185 A186 A182 A181 A188 A184 A183 A148 A142 A145 A172 A110 A140 Lower Rack Assembly LUDP8997 LDT7797 LSDF9897 ...

Page 89: ...For Authorized Service Technicians 89 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 ...

Page 90: ...For Authorized Service Technicians 90 LUDP8997 LDT7797 LDP6797 LDP5676 LSDF9897 LDT7808 LSDT9908 A171 A170 3rd Rack Assembly ...

Page 91: ...For Authorized Service Technicians 91 K200 Panel Assembly LDP6797 LDP5676 LDF5545 ...

Page 92: ...For Authorized Service Technicians 92 K200 K220 K232 K250 K233 K240 K230 K210 Panel Assembly LDT7797 LDT5665 LSDF9897 LDT7808 LSDT9908 ...

Page 93: ...For Authorized Service Technicians 93 K200 K210 K240 K220 Panel Assembly LUDP8997 ...

Page 94: ...For Authorized Service Technicians 94 LUDP8997 LDP6797 LDP5676 LDF5545 K030 K217 Front Cover Assembly ...

Page 95: ...For Authorized Service Technicians 95 LDT7797 LDT5665 LDT7808 K031 K030 K231 K005 K217 K222 Front Cover Assembly ...

Page 96: ...For Authorized Service Technicians 96 K005 K030 K217 K231 K031 Front Cover Assembly LSDF9897 LSDT9908 ...

Page 97: ...For Authorized Service Technicians 97 K100 K124 K110 K113 K114 K101 K122 K121 K112 F142 K111 F141 F174 K001 F175 Door Liner Assembly ...

Page 98: ...For Authorized Service Technicians 98 K100 K113 K114 K122 F174 K001 F175 K150 K110 K124 K112 K111 F142 F141 K121 K101 Door Liner Assembly LSDF9897 LDT7808 LSDT9908 ...

Page 99: ...For Authorized Service Technicians 99 M120 M070 M071 M138 M025 M087 M027 M028 M026 M126 M133 M139 M136 M030 M137 M007 A120 M136 Sump Assembly ...

Page 100: ...For Authorized Service Technicians 100 M120 M070 M071 M138 M025 F100 F104 M139 M136 M030 M137 M007 A120 M136 M087 M027 M028 M026 M126 M133 Sump Assembly LSDF9897 LDT7808 LSDT9908 ...

Page 101: ...For Authorized Service Technicians 101 LSDT990 10 WIRING DIAGRAM 10 1 WIRING DIAGRAM ...

Page 102: ...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 103: ...For Authorized Service Technicians 103 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 104: ...5 1 9 5 B68 B287 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 case2 ...

Page 105: ...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 106: ...For Authorized Service Technicians 106 Appendix ...

Page 107: ...P No MFL37554814 ...

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