LG GBB530***F Series Service Manual Download Page 81

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3. P oor cooling in R efrigerator compartment

S tep

C heck Item

D a m p e r c h e c k i n g m e t h o d .

I n p u t t i n g T E S T M o d e ,

C h e c k t h e d a m p e r a n d P C B

C h e c k t h e F a n m o t o r .

R o t a t e f a n u s i n g y o u r h a n d .

I t f e e l s t i c k y , c h a n g e t h e m o t o r .

( c a u s e o f i c e o r r u s t i n s i d e o f m o t o r )

R es ult & S VC Action

S V C A c t i o n

Point

1Mode

2Mode

1,2

mode

R e s u l t

Open

Closed

Not

working

Damper is normal.

(Go to the 7)

Change the damper

S V C A c t i o n

Point

Motor

R e s u l t

Sticky

Change the motor

Troubles hooting Without E rror Dis play

Summary of Contents for GBB530***F Series

Page 1: ...B EFOR E SERVICING THE UNIT R EAD THE SAFETY PR ECAUTIONS IN THIS MANUAL http biz lgs ervice com MODE L COLOR REFRIGERATOR SERVICE MANUAL R ef No R ef No GBB532 GBB531 GBB530 GBB539 Ref No GBF539 Ref No GBF530 ...

Page 2: ... R E PLACE ME NT PAR TS LIS T 8 Please read the following instructions before servicing your refrigerator 1 Check the set for electric losses 2 Unplug prior to servicing to prevent electric shock 3 Whenever testing with power on wear rubber gloves to prevent electric shock 4 If you use any kind of appliance check regular current voltage and capacity 5 Don t touch metal products in the freezer with...

Page 3: ...ing open and close the Throttle Valve 5g at each time The charging hose must use a one way valve to prevent the refrigerant refluence Close the S chrader valve cap after the refrigerant R 600a is completely recharged After you completely recharge the refrigerant R 600a perform the leakage test by using a portable leakage detector or soapy water T est the low pressure suction parts in compressor of...

Page 4: ... V U F res h 0 Zone Magic C ris per 1E A V egetable Drawer 1E A F o l d i n g S h e l f B o t t l e R a c k E gg T ray Dairy C orner B asket Water T ank T ray Drawer 3E A T ray Ice Ice B ox Wire S helf 2E A 3E A option 2 3E A option 2 option option 3E A G B B 530 F 3E A 3E A G B B 530 P 67g FLB124 67g FLA102 No FLA102 BMG089 67g FLA102 61g BMG089 57g BMG089 61g BMG089 63g CMA089 61g CMA089 Yes CMA...

Page 5: ...f V ita LE D 1E A C over T V L C over T V U F res h 0 Zone Magic C ris per 1E A V egetable Drawer 1E A F o l d i n g S h e l f B o t t l e R a c k E gg T ray Dairy C orner B asket Water T ank T ray Drawer 3E A T ray Ice Ice B ox Wire S helf 2E A 2E A option option option option option option option 1 2E A option 1 2E A option 1 option 1 2E A G B B 539 F option option 2E A 2E A G B B 539 P 3E A G B...

Page 6: ...50 D 595 W X 1900 H X 650 D Fan Cooling Micom Control Full Automatic Heater Defrost Heater S heath R 600a PTC S tarting Type Pin Tube Type S piral Condenser Wire Condenser R emovable Glass S helf Vita LE D 1E A Cover TV L Cover TV U Fresh 0 Zone Magic Crisper 1E A Vegetable Drawer 1E A E gg Tray Dairy Corner Basket Water Tank Tray Drawer 3E A Tray Ice Ice Box Wire S helf 2E A 3E A 3E A GB B539 HW ...

Page 7: ...W X 2010 H X 650 D 595 W X 1900 H X 650 D Fan Cooling Micom Control Full Automatic Heater Defrost Heater S heath R 600a HTS55MT PTC S tarting Type Pin Tube Type S piral Condenser Wire Condenser R emovable Glass S helf Vita LE D 1E A Cover TV L Cover TV U Fresh 0 Zone Magic Crisper 1E A Vegetable Drawer 1E A Folding Shelf Bottel Rack E gg Tray Dairy Corner Basket Water Tank Tray Drawer 3E A Tray Ic...

Page 8: ... Removable Glass Shelf Folding shelf Optional Vegetable Drawer Used to keep fruits and vegetables etc fresh and crisper Fresh 0 Zone Optional Ice Tray Wire Shelf Freezer Compartment Leveling Screw Basket Door Basket Door Bottle Rack Optional Dairy Corner Optional Egg Tray Optional EZ Open Handle Optional ...

Page 9: ...wer Used to keep fruits and vegetables etc fresh and crisper Fresh 0 Zone Optional Ice Tray Wire Shelf Freezer Compartment Leveling Screw Basket Door Water Tank Optional Basket Door Dairy Corner Optional Egg Tray Optional EZ Open Handle Optional Bottle Rack Optional Removable Glass Shelf Folding shelf Optional ...

Page 10: ... Removable Glass Shelf Vegetable Drawer Used to keep fruits and vegetables etc fresh and crisper Fresh 0 Zone Optional Freezer Compartment Leveling Screw Basket Door Basket Door Dairy Corner Optional Egg Tray Optional Ice Tray Wire Shelf EZ Open Handle Optional Bottle Rack Optional Removable Glass Shelf Folding shelf Optional ...

Page 11: ...movable Glass Shelf Removable Glass Shelf Vegetable Drawer Used to keep fruits and vegetables etc fresh and crisper Ice Tray Wire Shelf Optional Freezer Compartment Leveling Screw Basket Door Basket Door EZ Open Handle Optional Egg Tray Optional Removable Glass Shelf Folding shelf Optional ...

Page 12: ... I C A T I O N Lamp Removable Glass Shelf Vegetable Drawer Used to keep fruits and vegetables etc fresh and crisper Ice Tray Wire Shelf Freezer Compartment Leveling Screw EZ Open Handle Optional Basket Door Water Tank Optional Basket Door Egg Tray Optional ...

Page 13: ...gin do not move the cabinet until door swing reversal is completed These instructions are for changing the hinges from the right side to the left side if you ever want to change the hinges back to the right side follow these same instructions and reverse all references to left and right Befor R emoving the Doors empty and R emove all the Door Baskets of both R efrigerator Freezer Doors including t...

Page 14: ... side of DE CO COVE R 7 Disassemble the Housing Connector 9 inside of the DE CO COVE R 7 3 R emove the screws 10 in the COVE R PWB 11 and remove the COVE R PWB 11 4 R emove the screws 12 in the TOP COVE R FR ONT 13 and remove the TOP COVE R FR ONT 13 5 R emove the HOLDE R COR D 14 placed in right and insert it to center And then move COVE R FR ONT 16 Take out the HOLDE R COR D spare 15 and to plac...

Page 15: ...or CAP 24 Move to left side of the refrigerator door BRACKET DOOR 25 and screw 26 10 Assemble HINGE L Freezer Door HINGE C 23 R efrigerator Door HINGE U 19 TOP COVE R FR ONT 13 COVE R PWB 11 Connect the Housing Connector 9 DE CO COVE R 7 HANDLE 1 5 11 Remove Freezer and Refrigerator Door Gaskets and turn them 180 Assemble them again and put some lubricant onto their surface 9 Remove Bolts 27 HINGE...

Page 16: ...Assembly Fan Motor Assembly can t separate 1 DOOR Freezer Door 1 Refer to previous chapter Instruction for Reversing Door Swing 2 Pull out Door Gasket to remover from the Door Foam Assembly F 2 DOOR SWITCH 1 Unplug the power cord from the outlet 2 Loosen s ix screws in upper part and disconnect Top Cover Front 3 Disconnect Lead Wire from switch 4 Disengage hook behind the switch by pressing it wit...

Page 17: ...the S hroud F after removing the Grille Freezer Pull out the Grille Fridge 2 S eparate the connector connected with the Defrost Control Assembly and replace new one Figure 12 Fuse Melting 5 FR E E ZE R HE ATE R S HE ATH In this refrigerator Heater S heath is used for defrosting heater During heating the temperature of heater rises about 300 350 C Therefore be careful not to burn while servicing 1 ...

Page 18: ...on and noise may occur 3 Use proper electric components appropriate to the Compressor 4 Note to Keep Compressor If Compressor gets wet in the rain and rust in the pin of Hermetic Terminal the result may be poor operation and poor contact may cause ssor inside in replacing the Compress noise 3 PTC Applied Circuit Diagram According to S tarting Method for the Motor Figure 9 4 Motor Restarting and PT...

Page 19: ...er inside the OLP and the OLP protects Motor by cutt rrent which ssor Motor 2 Role of the OLP 1 The OLP is attached to the Hermetic Compressor used for the R efrigerator and S how Case and prevents the Motor Coil from being started in the Compressor 2 Do not turn the Adjust S crew of the OLP in any way for normal operation of the OLP Composition and connection Diagram of OLP CONTACTING POINT COVE ...

Page 20: ...disassemble a cover PTC of the compressor terminal and check the terminal connecting status at the B point in Figure Where there is no failure in the wiring status and resistance values are shown as infinite or several hundred MΩ it may be determined as defect of compressor Since if there is no failure in resistance values of the compressor it may be defective Main PWB replace the Main PCB and che...

Page 21: ...etic terminal Dead Short Check Point D Resistance 10 5 12 5 Mode Power Save FLB124NAMA Power Save Comon Point A Point B Multi Tester Multi Tester Sa Save Po Power Co Comon Multi Tester Multi Tester Because of ambient temperature or operating situations the values shown can have a slight devlation Earth Hermetic terminal Dead Short Check Point D Resistance 16 2 18 6 11 6 15 1 Mode Power Save FMA102...

Page 22: ...c Trip To protect the compressor from abnormal operation this logic is used to temporally stop the refrigerator when abnormal operation occurs and to re operate it after abnormal signal disappears Compressor protection Logic Table If LED of PCB is blinking Refer to next page Initial Motor sensing Voltage 2 5V 20 Piston overruns the designed range Piston is locked Current overruns the designed rang...

Page 23: ...me then repeats FCTO Trip FCT0 When same trip occurs after power reset change PCB Because it is occurred by overvoltage more than 2 5V at voltage and current sensing parts PCB has to be changed Blink Blink OFF OFF COMPRESSOR ...

Page 24: ...ing Sealed system problem such as moisture restriction restriction at capillary tube or refrigerant leak Logic Compressor is forced to off and then tries to restart after 1 minute Blink Blink Blink Blink F F O F F O F F O Protection logic Check B Blink 2 times Stroke Trip Check B2 Compressor Doesn t work Harness Connecting Check C Cycle Check E Fix Cycle Replace Driver PCB Y Y N Repeat Check Proce...

Page 25: ...can also be caused by foreign materials inside the compressor Logic Compressor is forced off and tries to restart within 2 5 minutes Blink Blink Blink Blink Blink OFF Protection logic Check B Blink 5 times Lock Piston Trip Check B3 Compressor Doesn t work Compressor Doesn t work Hi side restriction Repeat Check Procedure Reset Power Sealed system Repair Replace Compressor N Y N Y COMPRESSOR ...

Page 26: ...charge line compressor is damaged or IPM device is defective Logic Compressor is forced off and tries to restart after 6 min Blink Blink Blink Blink Blink Blink OFF Protection logic Check B Blink 6 time Current Trip Check B4 Repeat Check Procedure Reset Power Replace Compressor NG Compressor Intermittently works IPM Check B5 Current trip Occur Compressor Damage Check C3 Replace Driver PCB Fix Cycl...

Page 27: ...repeats IPM Fault Purpose Prevent high current due to IPM Short Cause Damaged IPM Dead Short Test for a dead short at Point A with a VOM OFF Blink Blink Blink Blink Blink Blink Blink 100 V EBR789107 230V EBR805254 COMPRESSOR A 230 V A A ...

Page 28: ...MICOM program has to be rewritten or PCB has to be changed Blink Blink Blink Blink Blink Blink Blink Blink OFF COMPRESSOR Protection logic Check B Blink 7 times Lock Piston Trip Check B5 Compressor Doesn t work Short Test Point A Replace Drive PCB Repeat Check Procedure Replace Compressor Compressor Damage Check C3 Check IPM visual inspection N N Y Y Power Reset Y NG ...

Page 29: ...nment for Heavy Repair Check that drafting and air ventilation are well done at a working area and perform work after making drafting and air ventilation smooth use refrigerant return bag indoors ppliances or heating source around the working area and then remove them before work S ince R 600 mmable they should not be discharged indoors Be sure to follow heavy repair S VC procedures during work 5 ...

Page 30: ...d Connect pinch pliers with a refrigerant discharging hose Place the outlet of a refrigerant discharging hose outside R emove fire appliances or heating sources near a refrigerant discharging hose Always use a refrigerant returnbag for working at the contained space Bore the charging pipe of a compressor with pinch pliers R emove fire appliances or heating sources near a refrigerator Perform refri...

Page 31: ...be for more than 10 minutes S uction Pipe Vacuum Pump Discharge refrigerant outside using window or door Pinch Plier Process Pipe Discharge Pipe 3 Welding Repair Step R equired equipment S imple welding machine R emove pinch pliers if remaining refrigerant returnis completed Cut the front part of a process pipe with a cutter Check that remaining refrigerant comes out Perform welding work such as r...

Page 32: ...ging tube with welding 5 Vacuum Air Removal R equired equipment Vacuum pump Connect a vacuum pump to a charging tube to perform vacuum cycle Vacuum work should be performed for an hour If vacuum time is short normal cooling performance may not be exerted due to failure of cooling cycle Charging Tube S uction Pipe Discharge Pipe 32 HeavyRepairMethodofRefrigeratorbyApplicationofRefrigerant ...

Page 33: ...o check remained refrigerant quantity to complete charging of refrigerant ppliances 7 Leak Inspection and Cycle Check R equired equipment Leakage checking machine foam and leakage inspection machine Check for leakage by using form or a leakage inspection machine at the worked part if charging of refrigerant is completed Check for leakage at the low pressure part with the compressor stopped and che...

Page 34: ...d be taken since fire may occur for welding work since refrigerant may remain as it is at the high pressure side even after vacuum air discharge in relation with cycle clogging Take power cords out and remove power between 6sec 12sec after powering on in order to open both sides of 3way valve in the step of refrigerant recovery If both sides of 3way valve will not be opened fire may occur during w...

Page 35: ... 35 CIR CUIT DIAGR AM A ...

Page 36: ... 36 CIR CUIT DIAGR AM Linear A ...

Page 37: ... 37 CIR CUIT DIAGR AM Linear A FLB compressor ...

Page 38: ...E ENCHUFE LA PARTE DEL CONDENSADOR LA PARTE DEL LED DE VERDURA EL COMPRESOR LA PARTE DE LA MÁQUINA DE HELADO LA PARTE DE TIERRA DEL COMPRESOR LA PARTE DE LA SALA M LA PARTE DEL DISPENSADOR LA PARTE DEL FUSIBLE Y EL FUSIBLE M1 DEL DIAGRAMA DE CIRCUITO ESTÁN SUJETOS A CAMBIOS SEGÚN CADA PAÍS Y TIPO DE MODELO BK NEGRO BL AZUL BN MARRÓN BO BL NARANJA AZUL FUERTE RD ROJO GY GRIS PR MORADO BO NARANJA FU...

Page 39: ...CIR CUIT DIAGR AM 39 A A ...

Page 40: ...CIR CUIT DIAGR AM 40 A HIT Model MEZ64799002 ...

Page 41: ...CIR CUIT DIAGR AM 41 A BMG ...

Page 42: ...CIR CUIT DIAGR AM 4 A BMG ...

Page 43: ...CIR CUIT DIAGR AM 4 A FMA ...

Page 44: ...f Motor Compressor Check the resistance among M C S C and M S in Motor Compressor R eplace Compressor 3 Check the resistance of PTC S tarter Check the resistance of two terminals in PTC S tarter 4 Check OLP Check if applying a regular OLP OLP works within 30 sec in forcible OLP operation by turning instant power on and off 5 Check starting state Measure minimum starting voltage after 5 min for bal...

Page 45: ...22 S eparate the OLP from Compressor and check resistance value between two terminals of OLP with a Tester Figure 23 Check another electric components R eplace PTC Observation value is 220V 50Hz 47Ω 30 220 240V 50Hz 47Ω 30 110 115V 60Hz 6 8Ω 30 220V 60Hz 47Ω 30 127V 60Hz 22Ω 30 The resistance value is 0 or several hundreds Ω The value is Check another electric components YE S NO R eplace OLP TR OU...

Page 46: ...ices Poor contacting and broken R eplace each component R eplace the compressor Check current flowing in sub coil of Compressor S horted Check capacity of OLP Lack of capacity The items described above are normal Coil of motor Compressor R unning state of Compressor is poor Check current flowing in S WITCH DOOR Poor contacting R eplace each component Fan motor doesn t run Check current flowing in ...

Page 47: ...ront Part S et the control to mid position S et the control to warm position Dew or ice forms in the chamber of the set Is liquid food stored Check if put in is hot Did you open the door of the set too often or check if the door is closed up S eal up liquid foods with wrap Put in foods after cooled down Don t open the door too often and close it firmly Dew forms in the E xterior Case Check if ambi...

Page 48: ...qual to ambient temperature Normal discharging of R efrigerant MOIS TUR E CLOG Cooling operation stops periodically Flowing sound of R efrigerant is not heard and frost melts Low than ambient temperature Cooling operation restarts when heating the inlet of capillary tube C LOG G E D B Y DUS T COMP R E S S ION Freezer and R efrigerator don t cool Low flowing sound of R efrigerant is heard and frost...

Page 49: ...ier at the temperature of 80 100 C Don t keep the drier in a outdoors because humidity damages to it DR IE R AS M 6 1 The pressure of dry air must be more han 12 16kg cm2 2 Temperature must be more than 20 70 C 3 Keep the pressure at 12 6kg cm2 also when substituting dry air for Nitrogen Gas DR Y AND AIR NITR OGE N GAS 7 1 Check if gas leaks with soapy water 2 R eplace Quick Coupler in case of lea...

Page 50: ... Figure 24 LOKRING TOOL Figure 23 LOKRING TR OUB LE S HOOTING Mechanical Part ...

Page 51: ...an adjust the R efrigerator and the Freezer control temperature by pressing the FR Z Temp button or R E F Temp button E xpress Freezing Door Alarm R efrigerator Temperature E co Friendly Dis play Power s aving Mode The display is always OFF without Lock Icon until door is opened Freezer Temperature 88 LED Tact Color Amber Express Freezing Door Alarm Display Lock Refrigerator Temperature Eco Friend...

Page 52: ...ious temperature setting 2 E xpres s Frz Please select this function for prompt freezing This function is used when you want to freeze the foods quickly Press the E xpress Frz button once and then the quick freeze operation starts with the lamp on The E xpress Frz operation takes about 24 hours When its operation ends it automatically returns to the previous temperature setting If you want to stop...

Page 53: ... On Off Press ALAR M LOCK to turn the buzz MICOM FUNCTION PCB CIR CUIT E XPLANATION 4 Lock For Exterior Display Pressing this button stops operation of other buttons Locking or Un Locking is repeated whenever pressing the LOCK button For Locking press the LOCK button for 3 sec For Un Locking press the LOCK button for 3 sec When LOCK is activated pressing the other buttons would not work a Unlock a...

Page 54: ...d lights to operate without running the compressor and fan To apply the DEMO mode open the door and press and hold the REFRIGERATOR and EXPRESS FRZ buttons simultaneously for 5 second To exit the DEMO mode and return to normal operation press and hold the REFRIGERATOR and EXPRESS FRZ for 5 second BETTER 88 LED 5 MICOM FUNCTION PCB CIR CUIT E XPLANATION ...

Page 55: ...or Cut or short circuit wire 5 Failure of outdoor S ensor Cut or short circuit wire 6 7 Poor of Freezer Defrost 120min later After starting defrost If sensor doesn t be over 8 C 9 10 Cycle Error Failure of BLDC FAN Motor Feedback signal was not detected within 65sec from BLDC Fan motor temperature isn t under the 3 5deg within 10min after LQC mode started Check the Compressor Cooling power Freezer...

Page 56: ... Cut or short circuit wire Cut or short circuit wire 3 4 Failure of R efrigerator S ensor Cut or short circuit wire 5 Failure of outdoor Failure of Freezer Defrost Sensor S ensor Cut or short circuit wire 6 7 Poor of Freezer Defrost Heater 120min later After starting defrost If sensor doesn t be over 8 C Failure of BLDC F FAN Motor Feedback signal was not detected within 65sec from BLDC Fac motor ...

Page 57: ...No Defrost return immediately 15mon CLOSE Periodic ON OFF Periodic ON OFF Normal Failure of Freezer Sensor 3 Failure of Fridge Sensor 4 Failure of Freezer Defrost Sensor 6 Poor of Freezer Defrost 7 Failure of BLDC F FAN Motor 5 Failure of outdoor Sensor 8 Failure of BLDC C FAN Motor 9 Cycle Error º º º º º 10 Communication Error External Display only Item Load control R D a m p e r F F A N C F A N...

Page 58: ... Main PCB P No MFG E B R75815702 E B R75815706 E B R75815709 E B R75815711 E B R78910701 E B R78910702 E B R78910703 E B R78910704 Picture CON4 CON14 CON7 CON9 CON6 CON3 CON1 CON201 CON10 CON7 CON1 CON3 CON2 CON10 CON6 ...

Page 59: ...R75815601 E B R75815602 E B R75815607 E B R75815608 E B R75815611 E B R75815618 E B R75815620 E B R75815701 E B R75815705 E B R75815708 E B R75815710 Picture CON201 CON1 CON6 CON14 CON4 CON7 CON7 CON9 CON3 CON2 CON11 CON1 CON3 CON5 CON2 CON6 ...

Page 60: ...7 9 8 0 1 E B R 7 9 2 7 9 8 0 3 E B R 7 9 2 7 9 8 0 5 E B R 7 9 2 7 9 8 0 7 E B R 7 9 2 7 9 8 0 2 E B R 7 9 2 7 9 8 0 4 E B R 7 9 2 7 9 8 0 6 Picture CON14 CON7 CON9 CON6 CON3 CON2 CON1 CON201 CON11 CON14 CON10 CON6 CON1 CON3 CON2 CON9 CON7 CON201 ...

Page 61: ... 3 2 6 0 3 E B R 7 9 8 3 2 6 0 4 E B R 7 5 8 1 5 6 0 4 E B R 7 5 8 1 5 6 0 5 E B R 7 5 8 1 5 6 0 9 E B R 7 5 8 1 5 6 1 0 E B R 7 5 8 1 5 6 1 6 E B R 7 5 8 1 5 6 1 7 E B R 7 5 8 1 5 6 1 9 Picture CON201 CON201 CON11 CON10 CON14 CON14 CON7 CON9 CON7 CON9 CON6 CON6 CON3 CON3 CON2 CON2 CON1 CON1 ...

Page 62: ...CB Picture 1 Main PCB P No MFG E B R 8 0 0 8 5 1 1 E B R 8 0 0 8 5 1 3 E B R 8 0 0 8 5 1 2 Picture CON201 CON201 CON11 CON13 CON13 CON9 CON12 CON6 CON12 CON9 CON6 CON7 CON7 CON2 CON2 CON101 CON101 CON1 CON1 ...

Page 63: ...cture 1 Main PCB P No MFG E B R 8 0 5 2 5 4 1 6 E B R 8 0 5 2 5 4 1 7 E B R 8 0 5 2 5 4 1 8 Picture CON201 CON201 CON13 CON13 CON11 CON9 CON12 CON12 CON9 CON7 CON7 CON2 CON2 CON102 CON101 CON101 CON102 CON1 CON1 ...

Page 64: ... 6 2 Dis play PCB P No E B R 7 6 4 5 6 7 Picture PCB Picture ACQ838523 EBR364958 ...

Page 65: ... Short Open OFF Other Normal Replace the refrigerator Check the Temp and resistance Table 1 0 C h a n g e t h e s e n s o r R es ult S V C A c t i o n Temperature table 1 1 To 2 22 F 30 C 13 F 25 C 4 F 20 C 5 F 15 C 14 F 10 C 23 F 5 C 32 F 0 C R es ult 40 kΩ 30 kΩ 23 kΩ 17 kΩ 13 kΩ 10 kΩ 8 kΩ The s ens or is determined by the temperature For example 23kΩ indicates 20 C Ω Check the Pin11 1 to Pin12...

Page 66: ...Ω 24 kΩ 19 5 kΩ 16 kΩ The s ens or is determined by the temperature For example 30kΩ indicates 0 C Short Open OFF Other Normal Replace the refrigerator Check the Temp and resistance Table 2 0 C h a n g e t h e s e n s o r R es ult S V C A c t i o n 1 To 2 Ω Troubles hooting With E rror Dis play CON 6 CON 7 Check the Pin9 1 to Pin10 2 of CON7 Check the Pin3 1 to Pin4 2 of CON6 A CON 7 CON 6 Check t...

Page 67: ...8 kΩ 30 kΩ 24 kΩ 19 5 kΩ 16 kΩ The s ens or is determined by the temperature For example 30kΩindicates 0 C Short Open OFF Other Normal Replace the refrigerator Check the Temp and resistance Table 2 0 C h a n g e t h e s e n s o r R es ult S V C A c t i o n Ω 1 To 2 Troubles hooting With E rror Dis play CON 6 CON 7 Check the Pin13 1 to Pin14 2 of CON7 Check the Pin3 1 to Pin4 2 of CON6 A CON 7 CON ...

Page 68: ... 6 4 Defrost Sensor Error dS F S tep No 1 Check for a loose connection Linear A A R es ult S VC Action Troubles hooting With E rror Dis play CON 6 CON 7 A CON 7 CON 6 ...

Page 69: ...ce Table 3 0 C h a n g e t h e s e n s o r R es ult S V C A c t i o n Ω Temperature table 3 1 To 2 22 F 30 C 13 F 25 C 4 F 20 C 5 F 15 C 14 F 10 C 23 F 5 C 32 F 0 C R es ult 40 kΩ 30 kΩ 23 kΩ 17 kΩ 13 kΩ 10 kΩ 8 kΩ Troubles hooting With E rror Dis play Check the Pin 7 1 to Pin8 2 of CON6 A CON 6 CON 7 Check the Pin 7 to Pin8 2 of CON7 Check the Pin 7 1 to Pin 8 2 of CON6 A CON 7 CON 6 Check the Pi...

Page 70: ...lue CON3 CON2 A A Linear A FMA and BMG A R es ult S VC Action R es ult 220 240 V 0 V S VC Action Go to the 5 R eplace Main PCB Def Heater Fuse M 220V 167 205 Ω 240V 199 244 Ω Other Other Go to the 3 Go to the 3 Change Fuse M Change the sensor Def sensor Normal Check the Temp and resistance R es ult S V C A c t i o n P a r t Troubles hooting With E rror Dis play ...

Page 71: ...S VC Action 5 R eleas e the tes t mode Pus h the button 1 times Normal 6 R es ult 0 V 220 240 V S VC Action E xplain to customer R eplace Main PCB Check the Brown to Blue Troubles hooting With E rror Dis play CON3 CON2 A A Linear A FMA and BMG A ...

Page 72: ...reezer door and While an error code is displayed the fan is not working 3 Check the Fan motor R otate fan us ing your hand It feel s ticky change the motor Caus e of ice or rus t ins ide of motor R es ult S VC Action S tatus No windy Windy S VC Action Go to 3 4 Go to 3 4 Troubles hooting With E rror Dis play ...

Page 73: ...2 to Pin8 4 of CON13 R es ult S VC Action 6 Freezer Fan E rror FF E A A FMA and BMG Troubles hooting With E rror Dis play CON 14 CON 13 Check the Pin7 2 to Pin8 3 of CON13 Below 12 V 0 or 5 V 1 2 2 3 Change the PCB Change the motor Point R es ult S VC Action Below 11 4 V 0 or 5 V 0 or 5 V 1 2 2 3 2 4 Change the PCB Change the motor Change the motor Point R es ult S VC Action CON 13 ...

Page 74: ...e Check the fan rotating While an error code is displayed the fan is not working 3 Check the Fan motor and surrounding R otate fan us ing your hand It feel s ticky change the motor R es ult S VC Action S tatus No windy Windy S VC Action Check PCB motor Go to the 5 Troubles hooting With E rror Dis play ...

Page 75: ...ens er Fan E rror CF E Check the Fan motor voltage Pin1 1 Pin2 2 Pin3 3 of CON4 A A Troubles hooting With E rror Dis play CON 14 CON 13 Check the Pin3 2 to Pin4 3 of CON13 FMA and BMG Below 11 4 V 0 or 5 V 0 or 5 V 1 2 2 3 2 4 Change the PCB Change the motor Change the motor Point R es ult S VC Action CON4 Check the Pin2 2 to Pin3 3 of CON13 Check the Pin2 2 to Pin4 4 of CON13 CON 13 ...

Page 76: ...8 Communication Error Er CO Troubles hooting With E rror Dis play Check the Brown to Black CON101_display 4 0 V or 5 V Other Change the Display PCB Go to the 5 R es ult S VC Action 0 V or 5 V Other Change the Display PCB Go to the 6 R es ult S VC Action Check the Red to Black 5 Check the Brown to Black CON101_display CON10_Ma CON9_Main CON9_Main in 0 V or 5 V Other Change the Display PCB Explain t...

Page 77: ...e door S W res is tance 4 Check CON6 Pin 1 2 Check CON7 Pin 1 2 Check CON7 Pin 3 4 FMA and BGM A Check CON7 Pin 1 2 A A Closed Open 12 V Other 0 V Other Go to the 4 Change the PCB Go to the 4 Change the PCB S tatus R es ult S VC Action Normal Push S W 0Ω not Go to the 3 Change door S W Go to the 3 Change door S W S tatus R es ult S VC Action Troubles hooting Without E rror Dis play ...

Page 78: ...e fan using your hand It feel sticky change the motor cause of ice or rust inside of motor R es ult S VC Action 1 To 2 22 F 30 C 13 F 25 C 4 F 20 C 5 F 15 C 14 F 10 C 23 F 5 C 32 F 0 C R es ult 40 kΩ 30 kΩ 23 kΩ 17 kΩ 13 kΩ 10 kΩ 8 kΩ Status Windy No windy S V C A c t i o n Go to the 4 Check the Fan motor Next page PCB Status Cold Not cold S V C A c t i o n S V C A c t i o n Explain to customer Ch...

Page 79: ... V C A c t i o n Point 1 2 R e s u l t Below 12V Change the PCB 2 3 0 or 5 V Change the motor Troubles hooting Without E rror Dis play CON 14 CON 13 Check the Pin7 2 to Pin8 3 of CON13 FMA and BMG Below 11 4 V 0 or 5 V 0 or 5 V 1 2 2 3 2 4 Change the PCB Change the motor Change the motor Point R es ult S VC Action CON4 Check the Pin6 2 to Pin7 3 of CON13 Check the Pin6 2 to Pin8 4 of CON13 CON 13 ...

Page 80: ... zone door and R es ult S VC Action 1 To 2 23 F 5 C 32 F 0 C 41 F 5 C 50 F 10 C 59 F 15 C R es ult 38 kΩ 30 kΩ 24 kΩ 19 5 kΩ 16 kΩ Status Windy No windy S V C A c t i o n Go to the 4 Check the Fan motor Next page PCB Status Windy No windy S V C A c t i o n Go to the 5 Check the damper Go to the 6 5 Check the air temperature Cold or not Status Cold Not cold S V C A c t i o n Explain to customer Che...

Page 81: ...tor Rotate fan using your hand It feel sticky change the motor cause of ice or rust inside of motor R es ult S VC Action S V C A c t i o n Point 1Mode 2Mode 1 2 mode R e s u l t Open Closed Not working Damper is normal Go to the 7 Change the damper S V C A c t i o n Point Motor R e s u l t Sticky Change the motor Troubles hooting Without E rror Dis play ...

Page 82: ...Action S V C A c t i o n Point 1 2 R e s u l t Below 12V Change the PCB 2 3 0 or 5 V Change the motor Troubles hooting Without E rror Dis play CON 14 CON 13 Check the Pin7 2 to Pin8 3 of CON13 FMA and BMG Below 11 4 V 0 or 5 V 0 or 5 V 1 2 2 3 2 4 Change the PCB Change the motor Change the motor Point R es ult S VC Action CON4 Check the Pin6 2 to Pin7 3 of CON13 Check the Pin6 2 to Pin8 4 of CON13...

Page 83: ... S tatus Windy No windy S VC Action Go to the 4 Check the damper Go to the 5 4 Input Tes t 2 Mode and Pus h the button 1 time S tatus Windy No windy S VC Action S VC Action Go to the 5 It s normal Temperature 23 F 5 C 32 F 0 C 41 F 5 C 50 F 10 C 59 F 15 C R es ult 38 kΩ 30 kΩ 24 kΩ 19 5 kΩ 16 kΩ 5 Input Tes t 2 Mode and Pus h the button 1 time T e s t M o d e 1 Mode 2 Mode 1 2 mode D a m p e r s t...

Page 84: ... TPA 1 How to make TE S T MODE If you pus h the tes t button on the Main PCB the refrigerator will be enter the TE S T MODE 2 How to remove Terminal Pos ition As s urance TPA 1 time Comp Damper All FAN on All things dis played 2 times Forced defros t mode 22 22 dis played Main PWB D C T P A A C T P A ...

Page 85: ...59 F 15 C 68 F 20 C 77 F 25 C 86 F 30 C 95 F 35 C 104 F 40 C R E S IS TANCE 73 29 kΩ 53 63 kΩ 39 66 kΩ 29 62 kΩ 22 33 kΩ 16 99 kΩ 13 05 kΩ 10 10 kΩ 7 88 kΩ 6 19 kΩ 4 91 kΩ 3 91 kΩ 3 14 kΩ 2 54 kΩ 2 07 kΩ 1 69 kΩ 1 39 kΩ VOLTAGE 4 09 V 3 84 V 3 55 V 3 23 V 2 89 V 2 56 V 2 23 V 1 92 V 1 63 V 1 38 V 1 16 V 0 97 V 0 81 V 0 67 V 0 56 V 0 47 V 0 39 V R eference ...

Page 86: ... 15 C 68 F 20 C 77 F 25 C 86 F 30 C 95 F 35 C 104 F 40 C R E S IS TANCE 225 1 kΩ 169 8 kΩ 129 3 kΩ 99 30 kΩ 76 96 kΩ 60 13 kΩ 47 34 kΩ 37 55 kΩ 30 kΩ 24 13 kΩ 19 53 kΩ 15 91 kΩ 13 03 kΩ 10 74 kΩ 8 89 kΩ 7 40 kΩ 6 20 kΩ VOLTAGE 4 48 V 4 33 V 4 16 V 3 95 V 3 734 V 3 487 V 3 22 V 2 95 V 2 67 V 2 40 V 2 14 V 1 89 V 1 66 V 1 45 V 1 27 V 1 10 V 0 96 V R eference ...

Page 87: ...C 77 F 25 C 86 F 30 C 95 F 35 C 104 F 40 C 113 F 45 C R E S IS TANCE 225 1 kΩ 169 8 kΩ 129 3 kΩ 99 30 kΩ 76 96 kΩ 60 13 kΩ 47 34 kΩ 37 55 kΩ 30 kΩ 24 13 kΩ 19 53 kΩ 15 91 kΩ 13 03 kΩ 10 74 kΩ 8 89 kΩ 7 40 kΩ 6 20 kΩ 5 21 kΩ VOLTAGE 4 79 V 4 72 V 4 64 V 4 54 V 4 43 V 4 29 V 4 13 V 3 95 V 3 75 V 3 54 V 3 31 V 3 07 V 2 83 V 2 59 V 2 35 V 2 13 V 1 91 V 1 71 V R eference ...

Page 88: ...is point there is no further check of the fan motor 2 Aug 2007 After sending a signal to the fan the MIC OM checks the BLDC fan motor s lock status If there is no feedback signal from the BLDC fan the fan motor stops for 10 seconds and then is powered again for 15 seconds To determine that there is a fan motor malfunction this process is repeated 3 times If the fan motor is determined to be defect...

Page 89: ...XPLODED VIEW Ref No GBB539 Q 405C 405B 332A 330B 720A 329A 404A 281B 103A 103B 405A 301B 418A 283B 108A 106B 282B 283A 109A 411B 406B 411C 102A 109C 102B 210F 120F 120D 416A 120B 120A 120E 311C 120G 104A ...

Page 90: ...9B 249C 241A 132A 136F 136G 235A 241B EXPLODED VIEW 136B 136B 167K 167K 167M 167N 167L 167L 136C 132C 233A 281D 201A 210A 211A 210A 212A 231A 212G 203A 154A 169D 169B 169A 140B 125C 151B 169C 136E 206D 283C 205F 283C 206D 205F 503A 146A 212H ...

Page 91: ...R ef No GBB530 M GBB539 M 410L 501F 105A 315A 315B 315B 315C 315C 323B 319A 319C 312A 310B 309B 420A 329C 314A 307A 316B 304A 318A 311B 317A 411A 501A 303B EXPLODED VIEW 310A 303C ...

Page 92: ...P No M FEB 2015 Printed in Poland ...

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