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LG GBB530***F Series Service Manual

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R E FR IG E R ATOR
S E R VIC E MANUAL
C A UT ION
B E F OR E S E R VIC ING THE UNIT, R E AD THE " S AF E TY
P R E C AUTIONS " IN THIS MANUAL .
R ef. No.
R ef. No.
GBB532****
GBB531****
GBB530****
GBB539****
MODE L :
http://biz.lgs ervic e.c om
Ref. No.
Ref. No.
GBF539****
GBF530****
C OL OR :

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  Summary of Contents for LG GBB530***F Series

  • Page 1 http://biz.lgs ervic e.c om R E FR IG E R ATOR S E R VIC E MANUAL C A UT ION B E F OR E S E R VIC ING THE UNIT, R E AD THE " S AF E TY P R E C AUTIONS "...
  • Page 2: Table Of Contents

    C ONT E NT S S A F E T Y P R E C A UT IONS ............................... 2 S E R V IC ING P R E C A UT IONS ..............................3 S P E C IF IC A T IONS ................................4-7 P A R T S IDE NT IF IC A T ION ......................
  • Page 3: S E R V Ic Ing P R E C A Ut Ions

    S E R V IC ING P R E C A UT IONS F eatures of refrigerant (R 600a) After the refrigerant (R 600a) is completely discharged, repair any defective parts and replace the dryer. At any • Achromatic and odor les s gas . •...
  • Page 4: S P E C If Ic At Ions

    S P E C IF IC AT IONS - 4 -...
  • Page 5 S P E C IF IC AT IONS - 5 -...
  • Page 6 S P E C IF IC AT IONS 1. R ef. No: G B B539*****, G B F539***** IT E MS G B B539**HW* B B 539**HP* GBB539**HZ* 595(W) X 2010(H) X 650(D) DIME NS IONS (mm) • • • 595(W) X 1900(H) X 650(D) NE T WE IG HT •...
  • Page 7 S P E C IF IC AT IONS 1. R ef. No: G B B530***M*, G B F539***M* IT E MS G B B530**QM* G B B 539**QM* • 595(W) X 2010(H) X 650(D) DIME NS IONS (mm) • 595(W) X 1900(H) X 650(D) NE T WE IG HT •...
  • Page 8: Part S Ide Nt If Ic A T Ion

    P A R T S I D E N T I F I C A T I O N G B B530**** Model Name : GBB530**Q**, GBB530**C** Lamp Egg Tray (Optional) Dairy Corner (Optional) Basket Door Removable Glass Shelf Removable Glass Shelf (Folding shelf Optional)
  • Page 9 P A R T S I D E N T I F I C A T I O N G B B530***** Model Name : GBF530**Q** Lamp Egg Tray (Optional) Dairy Corner (Optional) Basket Door Removable Glass Shelf Removable Glass Shelf (Folding shelf Optional) Bottle Rack...
  • Page 10 P A R T S I D E N T I F I C A T I O N G B B539***** Model Name : GBB539**QF*, GBB539**QP*, GBB539**CF*, GBB539**CP*, GBB539**CZ*, GBB539**QZ* Lamp Egg Tray (Optional) Dairy Corner (Optional) Removable Glass Shelf Basket Door Removable Glass Shelf...
  • Page 11 P A R T S I D E N T I F I C A T I O N G B B539**** Model Name : GBB539**QW*, GBB539**HW* Lamp Egg Tray (Optional) Basket Door Removable Glass Shelf Removable Glass Shelf (Folding shelf Optional) Removable Glass Shelf...
  • Page 12 P A R T S I D E N T I F I C A T I O N G B B539**** Model Name : GBF539***W* Lamp Egg Tray (Optional) Basket Door Removable Glass Shelf Water Tank (Optional) Basket Door Vegetable Drawer (Used to keep fruits and...
  • Page 13: Ins T R Uc T Ions F Or R E V E R S Ing Door S Wing

    INS T R UC T IONS F OR R E V E R S ING DOOR S WING T his refrigerator allows the owner to change the door s wing if des ired. T he hinging of the doors can be changed to the oppos ite s ide anytime you wis h.
  • Page 14: Refrigerator

    INS T R UC T IONS F OR R E V E R S ING DOOR S WING 1) R emove s crews (3) after removing a C AP (2) from the s ide of the refrigerator room HANDLE (1). T he freezer room HANDLE (5) may be als o dis as s embled in a s ame may as the refrigerator room HANDLE (1).
  • Page 15: Refrigerator

    INS T R UC T IONS F OR R E V E R S ING DOOR S WING 6) Take out the LEAD WIRE(17) assembly from the TOP COVER FRONT(13) and assemble it on the left side. 7) Remove bolts(18) securing HINGE-U(19). Uns crew of the hinge pin(20).
  • Page 16: Dis A S S E Mb L Y

    DI S A S S E M B L Y 1. DOOR 3. FAN AND FAN MOTOR Freezer Door 1) Remove all of the freezer compartment, • (Involved wire shelf, ice maker) 1) Refer to previous chapter "Instruction for Reversing 2) Pull out the Grille Fan and Shroud F.
  • Page 17: De F R Os T C Ont R Ol As S E Mb Ly

    DI S A S S E M B L Y 4. DE F R OS T C ONT R OL A S S E MB LY Defros t C ontrol As s embly cons is ts of T hermis tor and F us e, Melting.
  • Page 18: Adjustment

    ADJUSTMENT 1. COMPRESSOR (In A++ and A+ Models) 3) PTC-Applied Circuit Diagram According to S tarting Method for the Motor 1) Role • T he compres s or intakes low temperature and low pres s ure gas evaporated from E vaporator of the R efrigerator, and OV E R LOAD condens es this gas to high temperature and high pres s ure P R OT E C T OR (O.L.P )
  • Page 19 ADJUSTMENT 3. OLP (OVER LOAD PROTECTOR) C ONT AC T ING P OINT C OV E R (In A++ and A+ Models) B IME T AL 1) De nition of OLP (1) OLP (OV E R LOAD P R OT E C T OR ) is attached to the H e rme tic C ompre s s or a nd prote c ts the Motor by C ONT AC T ING P OINT...
  • Page 20: Compressor

    COMPRESSOR 1. Inverter Linear Compressor Check for defect of the inverter linear compressor in following orders: 1) Method to Measure Compressor Winding Resistance Normal Determination Criteria. The compressor winding resistance can be determined as normal if resistance values show the values as described in below gure when measuring resistance values of the harness (connected with compressor) to connect.
  • Page 21 COMPRESSOR Point D Multi Multi Sa : Save Tester Tester Po : Power Co : Comon Resistance Mode 10.5~12.5 Power ( ) Save ( ) Point A Point B Because of ambient temperature or operating situations; the values shown can have a slight devlation. Multi Tester Earth...
  • Page 22: Refrigerator

    COMPRESSOR Point D Multi Multi Tester Tester Resistance Mode 12.3~15.1 BMG089NAMV BMG089NHMV 12.6~15.4 Point A Point B Because of ambient temperature or operating situations; the values shown can have a slight devlation. Multi Tester Earth Dead Short Check Multi Hermetic terminal Tester 2) Method to Determine Defect of Inverter Linear Drive Determination of Comp Operation...
  • Page 23 COMPRESSOR 3) LED blinks one time, then repeats (FCTO Trip) Blink Blink • 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. - 23 -...
  • Page 24 COMPRESSOR 4) LED blinks two times, then repeats (Stroke Trip) Blink Blink Blink Blink Purpose: Prevent abnormally long piston strokes. Case 1. If compressor doesn’t work and LED blinks - Cause: Possibly harness from compressor to PCB might be defective. Case 2.
  • Page 25 COMPRESSOR 5) LED blinks ve times, then repeats (Locked Piston) Blink Blink Blink Blink Blink OFF Purpose: To detect locked piston Cause: Lack of oil to the cylinder, cylinder or piston damaged and or restricted discharge. A Locked Piston can also be caused by foreign materials inside the compressor. Logic: Compressor is forced o and tries to restart within 2.5 minutes.
  • Page 26: Refrigerator

    COMPRESSOR 6) LED blinks six times, then repeats (Current Trip) Blink Blink Blink Blink Blink Blink Purpose: Prevent over-current (overload protect) Cause: Ambient temperature is high (over 43˚C) and/or refrigerator’s condenser air movement is restricted. Condenser Fan is stopped, restricted discharge line, compressor is damaged, or IPM device is defective. Logic: Compressor is forced o and tries to restart after 6 min.
  • Page 27 COMPRESSOR 7) LED blinks seven times, then repeats (IPM Fault) Blink Blink Blink Blink Blink Blink Blink Purpose: Prevent high current due to IPM Short Cause: Damaged IPM (Dead Short) Test for a dead short at Point A with a VOM. 230 V 100 V EBR789107 230V EBR805254...
  • Page 28 COMPRESSOR Protection Blink 7 times logic (Lock Piston Trip) Check B Check B5 Check IPM Short Compressor Replace visual inspection Test Doesn’t work Drive PCB Point A Repeat Check Procedure Compressor Power Damage Reset Check C3 Replace Compressor 8) LED blinks eight times, then repeats (Communication Error) Blink Blink Blink...
  • Page 29: Heavy Repair Method Of Refrigerator By Application Of Refrigerant

    Heavy Repair Method of Refrigerator by Application of Refrigerant 1. Outline 1) Checkpoints before Heavy Repair Open the C over AS M, B ack-M/C of refrigerator and check the type of refrigerant indicated on a compres s or before s tarting work.A yellow label is adhered to the compres sor for the refrigerator us ing R 600a as refrigerant.
  • Page 30: Heavy Repair Svc Method

    Heavy Repair Method of Refrigerator by Application of Refrigerant 2. Heavy Repair SVC Method F or the heaver repair of R 600a type of refrigerator, perform work according to following S V C method. 1) Returnof Refrigerator Refrigerant R equired equipment: P inch pliers , refrigerant dis charging hos e, refrigerant returnbag T ake power cords out and remove power between 6s ec through 12s ec after powering ON to open all both s ides of 3way valve.
  • Page 31: Refrigerator

    Heavy Repair Method of Refrigerator by Application of Refrigerant 2) Returnof Remained Refrigerant R equired equipment: P inch pliers , hos e for refrigerant recovery, vacuum pump If refrigerant returntime of 7 minutes has pas s ed, connect a vacuum pump at the ends of a refrigerant returnhos e outdoor.
  • Page 32: Refrigerator

    Heavy Repair Method of Refrigerator by Application of Refrigerant 4) Charging Tube Connection Step R equired equipment: C harging tube, s imple welding machine R emove a charging pipe to recharge R 600a refrigerant after completing work, and then connect a charging tube with welding S uction P ipe C harging T ube...
  • Page 33: Refrigerator

    Heavy Repair Method of Refrigerator by Application of Refrigerant 6) Refrigerant Charging R equired equipment: B ombe, R 600a refrigerant (67g) ppliances and heating s ource for performing work when charging s caled refrigerant. (Do not s pray refrigerant indoor.) Meas ure the accurate quantity (67g) of refrigerant to charge it into a B ombe.
  • Page 34: Heavy Repair Method Of Refrigerator By Application Of Refrigerant

    Heavy Repair Method of Refrigerator by Application of Refrigerant 8) Failure Checking Procedures Check of cooler Check of rotation Surface of Normal at F-Room, cooler is cold. of COMP R-Room Somewhat cold Moisture clogged Leakage of 3way valve Surface of Clogged Clogged cycle cooler is cold.
  • Page 35: C Ir C Uit Dia G R A M

    C IR C UIT DIA G R A M A+++ - 35 -...
  • Page 36 C IR C UIT DIA G R A M Linear A++ - 36 -...
  • Page 37 C IR C UIT DIA G R A M Linear A++ FLB compressor - 37 -...
  • Page 38 C IR C UIT DIA G R A M Linear A++ FLB compressor spanish DIAGRAMA DE CIRCUITO R-INTERRUPTOR PUERTA M-SENSOR VÁLVULA DE 3 VÍAS FD2-SENSOR FD1-SENSOR C-MOTOR DEL VENTILADOR R-SENSOR F-MOTOR DEL VENTILADOR F-SENSOR RT-SENSOR REACTOR R MOTOR CABLE DE SUMINISTRO FUSIBLE- PASO A PASO ELÉCTRICO...
  • Page 39 C IR C UIT DIA G R A M A++,A+ - 39 -...
  • Page 40 C IR C UIT DIA G R A M A+ HIT Model MEZ64799002 - 40 -...
  • Page 41 C IR C UIT DIA G R A M A+ + BMG - 41 -...
  • Page 42 C IR C UIT DIA G R A M A+ BMG - 4 -...
  • Page 43 C IR C UIT DIA G R A M A+++ FMA - 4 -...
  • Page 44: T R Oub L E S Hoot Ing (Mec Hanic Al P Art)

    T R OUB L E S HOOT ING (Mec hanic al P art) 1. C OMP R E S S OR A ND E L E C T R IC C OMP ONE NT S Y E S P ower R emove the R elay (R ating V oltage S ource.
  • Page 45: Ptc And Olp

    T R OUB L E S HOOT ING (Mec hanic al P art) 2. P T C A ND OL P C heck another Normal operation of S eparate the P T C Obs ervation value is electric components . C ompres s or is from C ompres s or and 220V /50Hz : 47Ω...
  • Page 46: Anot He R E Le C T R Ic C Omp One Nt S

    T R OUB L E S HOOT ING (Mec hanic al P art) 3. A NOT HE R E L E C T R IC C OMP ONE NT S ▼ C ooling is impos s ible C ompres s or C heck if current ows to C aus e.
  • Page 47: S E R V Ic E Diag Nos Is C Har T

    T R OUB L E S HOOT ING (Mec hanic al P art) 4. S E R V IC E DIA G NOS IS C HA R T C ooling is Is the power cord unplugged from the outlet? P lug to the outlet. ●...
  • Page 48: R E F R Ig E R At Ing C Y C Le

    T R OUB L E S HOOT ING (Mec hanic al P art) 5. R E F R IG E R AT ING C Y C L E ▼ T roubles hooting C hart T E MP E R A T UR E S T A T E OF S T A T E OF T HE OF T HE...
  • Page 49 T R OUB L E S HOOT ING (Mec hanic al P art) ▼ G eneral C ontrol of R efrigerating C yc le IT E MS C ONT E NT S A ND S P E C IF IC A T IONS R E MA R K S WE LDING R OD (1)H 30...
  • Page 50 T R OUB L E S HOOT ING (Mec hanic al P art) Figure 23. LOKRING Figure 24. LOKRING TOOL...
  • Page 51: Mic Om F Unc T Ion & P C B C Ir C Uit E Xp L A Nat Ion

    MIC OM F UNC T ION & P C B C IR C UIT E XP L A NAT ION 1. F UC T ION E XP OS IT ION 1) F UNC T ION (1) When the appliance is plugged in, it is s et to 3˚C for the R efrigerator and -20˚C for the F reezer. Y ou can adjus t the R efrigerator and the F reezer control temperature by pres s ing the F R Z.
  • Page 52: Refrigerator

    MIC OM F UNC TION & P C B C IR C UIT E XP L A NAT ION 2) E xpres s F rz. • P lease s elect this function for prompt freezing. • T his function is us ed when you want to freeze the foods quickly. P res s the E xpres s F rz. button once, and then the quick freeze operation s tarts with the lamp on.
  • Page 53: Refrigerator

    MIC OM F UNC T ION & P C B C IR C UIT E XP L A NAT ION 4)Lock For Exterior Display • P r e s s i n g t h i s b u t t o n s t o p s o p e r a t i o n o f o t h e r b u t t o n s . •...
  • Page 54: Refrigerator

    MIC OM F UNC T ION & P C B C IR C UIT E XP L A NAT ION 7) Exhibition(Demo) Mode ● Demo mode is available for displaying the refrigerator in a sales setting or similar condition. It allows the display, dispenser, and lights to operate without running the compressor and fan. ●...
  • Page 55: Mic Om E Rror C Ode

    MIC OM E rror C ode A + + + , A + + , A+ ► S how error mode when pus h ‘F reezer temp’ and ‘expres s F reezing’ button, s imultaneous ly for 1 s ec. (All on Mode) E rror C ode F reezer Item...
  • Page 56 MIC OM E rror C ode A++ HIT, A+ HIT ► S how error mode when push ‘F reezer temp’ and ‘expres s F reezing’ button, s imultaneous ly for 1 s ec. (All on Mode) E rror C ode Item C ontents R emarks...
  • Page 57 MIC OM E rror C ode 1. E rror C ode S ummary WA R NING (1) F AILUR E DIAG NOIS S F UNC T ION º Normality L oad c ontrol Item Defros t C O M P C - F A N F - F A N R D a m p e r...
  • Page 58 P C B P ic ture 1. Main P C B P /No & MF G P ic ture C ON4 C ON10 E B R75815702 E B R75815706 E B R75815709 C ON2 E B R75815711 C ON1 C ON6 C ON3 C ON7 C ON10...
  • Page 59 P C B P ic ture 1. Main P C B P /No & MF G P ic ture C ON11 C ON14 E B R75815601 C ON201 E B R75815602 E B R75815607 E B R75815608 C ON7 E B R75815611 E B R75815618 E B R75815620 C ON9...
  • Page 60 P C B P ic ture 1. Main P C B P /No & MF G P ic ture C ON10 C ON14 C ON201 E B R 7 9 2 7 9 8 0 1 E B R 7 9 2 7 9 8 0 3 C ON7 E B R 7 9 2 7 9 8 0 5 E B R 7 9 2 7 9 8 0 7...
  • Page 61 P C B P ic ture 1. Main P C B P /No & MF G P ic ture C ON11 C ON14 C ON201 E B R 7 9 8 3 2 6 0 1 E B R 7 9 8 3 2 6 0 2 C ON7 E B R 7 9 8 3 2 6 0 3 E B R 7 9 8 3 2 6 0 4...
  • Page 62 P C B P ic ture 1. Main P C B P /No & MF G P ic ture C ON11 C ON13 C ON201 E B R 8 0 0 8 5 1 1 C ON12 E B R 8 0 0 8 5 1 3 C ON9 C ON6 C ON1...
  • Page 63 P C B P ic ture 1. Main P C B P /No & MF G P ic ture C ON13 C ON12 E B R 8 0 5 2 5 4 1 6 C ON201 C ON9 C ON102 C ON1 C ON101 C ON2...
  • Page 64: P C B P Ic Ture

    P C B P ic ture 2. Dis play P C B P /No P ic ture E B R 7 6 4 5 6 7 ACQ838523 EBR364958 - 6 -...
  • Page 65: Trouble Hooting With E Rror Di Play

    Troubles hooting With E rror Dis play 1. F reezer S ens or E rror (F S E ) S tep C hec k Item R es ult & S V C A c tion C h e c k f o r a l o o s e c o n n e c t i o n . •...
  • Page 66: Trouble Hooting With E Rror Di Play

    Troubles hooting With E rror Dis play 2. R e f r i g e r a t o r S ens or E rror (rS E ) S tep R es ult & S V C A c tion C h e c k f o r a l o o s e c o n n e c t i o n .
  • Page 67: Refrigerator

    Troubles hooting With E rror Dis play 3. R e f r i g e r a t o r S e n s o r E r r o r ( r t E ) S tep R es ult & S V C A c tion C h e c k f o r a l o o s e c o n n e c t i o n .
  • Page 68: Troubles Hooting With E Rror Dis Play

    Troubles hooting With E rror Dis play 4. Defrost Sensor Error (dS F) S tep R es ult & S V C A c tion C h e c k f o r a l o o s e c o n n e c t i o n . •...
  • Page 69: T R Oub L E S Hoot Ing Wit Hout E R R Or Dis P L A Y

    Troubles hooting With E rror Dis play 4. Defrost Sensor Error (dS F) S tep R es ult & S V C A c tion • A + + + R es ult S V C A c t i o n C h e c k t h e Pin 7(1) to Pin8(2) C h a n g e t h e s e n s o r o f C O N 6 .
  • Page 70 Troubles hooting With E rror Dis play 5. Defros t Heater E rror (dH F ) R es ult & S V C A c tion P a r t R es ult S V C A c t i o n C hec k the Door gas ket.
  • Page 71 Troubles hooting With E rror Dis play 5. Defros t Heater E rror (dH F ) R es ult & S V C A c tion R eleas e the tes t mode. P us h the button 1 times . (Normal) C h e c k t h e B r o w n t o B l u e .
  • Page 72 Troubles hooting With E rror Dis play 6. F reezer F an E rror (F F E ) R es ult & S V C A c tion R es et the unit and Input T es t 1 Mode. (P us h the button 1 time) Open the freezer door and •...
  • Page 73 Troubles hooting With E rror Dis play 6. F reezer F an E rror (F F E ) R es ult & S V C A c tion • A + + + P oint R es ult S V C A c tion C h e c k t h e F a n m o t o r v o l t a g e .
  • Page 74 Troubles hooting With E rror Dis play 7. C ondens er F an E rror (C F E ) R es ult & S V C A c tion R es et the unit and Input T es t 1 Mode. (P us h the button 1 time) C hec k the fan rotating.
  • Page 75 Troubles hooting With E rror Dis play 7. C ondens er F an E rror (C F E ) R es ult & S V C A c tion • L i n e a r A + + , A + + + C h e c k t h e F a n m o t o r v o l t a g e .
  • Page 76 Troubles hooting With E rror Dis play 8. Communication Error (Er CO) R es ult & S V C A c tion C h e c k t h e l o o s e c o n n e c t i o n . C h e c k t h e O r a n g e t o B l a c k .
  • Page 77: Trouble Hooting Without E Rror Di Play

    Troubles hooting Without E rror Dis play 1. R efrigerator room lamp does n’t work R es ult & S V C A c tion C hec k the loos e c onnec tion. C hec k the R efrigerator door s witc h. If feel s tic ky, C hange the door s /w.
  • Page 78 Troubles hooting Without E rror Dis play 2. P o o r c o o l i n g i n F r e e z e r c o m p a r t m e n t S tep C hec k Item R es ult &...
  • Page 79 Troubles hooting Without E rror Dis play 2. P oor c ooling in c ompartment S tep C hec k Item R es ult & S V C A c tion • A + + + C h e c k t h e F a n m o t o r v o l t a g e . P i n 9 ( 1 ) , P i n 1 0 ( 2 ) , P i n 1 1 ( 3 ) Point R e s u l t...
  • Page 80: Refrigerator

    Troubles hooting Without E rror Dis play 3. Poor cooling in Refrigerator compartment S tep C hec k Item R es ult & S V C A c tion C h e c k t h e s e n s o r r e s i s t a n c e . (1) T o (2) R es ult •...
  • Page 81 Troubles hooting Without E rror Dis play 3. P oor c ooling in R efrigerator c ompartment S tep C hec k Item R es ult & S V C A c tion 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 Point...
  • Page 82 Troubles hooting Without E rror Dis play 3. P oor c ooling in R efrigerator c ompartment S tep C hec k Item R es ult & S V C A c tion • A + + + C h e c k t h e F a n m o t o r v o l t a g e . P i n 9 ( 1 ) , P i n 1 0 ( 2 ) , P i n 1 1 ( 3 ) o f C O N 1 4 .
  • Page 83: Refrigerator

    Troubles hooting Without E rror Dis play 4. Over c ooling in R efrigerator c ompartment R es ult & S V C A c tion Check the sensor resistance. Temperature R es ult 23°F / -5°C 38 k • The sensor is determined by the temperature.
  • Page 84: R Eferenc E

    R eferenc e 1. T E S T MODE and R emoving T PA 1. How to make T E S T MODE If you pus h the tes t button on the Main P C B , the refrigerator will be enter the T E S T MODE . * 1 time : C omp / Damper / A ll F A N on (A ll things dis played) * 2 times : F orc ed defros t mode...
  • Page 85 R eferenc e 2. TEMPERATURE CHART - FRZ AND ICING SENSOR T E MP R E S IS T A NC E V OL T A G E -39°F (-40°C ) 4.09 V 73.29 k -30°F (-35°C ) 3.84 V 53.63 k -21°F (-30°C ) 3.55 V...
  • Page 86 R eferenc e 3. TEMPERATURE CHART - REF AND DEF SENSOR T E MP R E S IS T A NC E V OL T A G E -39°F (-40°C ) 4.48 V 225.1 k -30°F (-35°C ) 4.33 V 169.8 k -21°F (-30°C ) 4.16 V...
  • Page 87 R eferenc e 4. TEMPERATURE CHART - AMBIENT SENSOR T E MP R E S IS T A NC E V OL T A G E -39°F (-40°C ) 4.79 V 225.1 k -30°F (-35°C ) 4.72 V 169.8 k -21°F (-30°C ) 4.64 V 129.3 k...
  • Page 88 R eferenc e 5. How to c hec k the F an-E rror (1) ~ J uly 2007 After s ending a s ignal to the fan, the MIC O M checks the B LDC fan motor’s lock s tatus . If there is no feedback s ignal from the B LDC fan, the fan motor s tops for 10 s econds and then is powered again for 15 s econds .
  • Page 89 EXPLODED VIEW Ref. No : GBB539**Q 103B 120F 103A 102A 120D 102B 281B 406B 411B 109C 411C 416A 210F 120E 120A 120B 311C 120G 282B 109A 301B 405C 404A 405A 405B 418A 329A 104A 332A 108A 283B 330B 283A 720A 106B ►...
  • Page 90 EXPLODED VIEW Ref. No : GBB539**QMB 234A 249A 234D 136E 281A 235A 146A 249B 212G 249C 154A 231A 241A 503A 169B 169A 169D 241B 151B 125C 212H 210A 233A 140B 205F 206D 283C 169C 132C 212A 136B 281D 205F 206D 283C 167L 167K...
  • Page 91 EXPLODED VIEW R ef. No: G BB530***M* GBB539***M* 411A 501F 105A 501A 410L 317A 311B 304A 318A 303B 323B 303C 316B 310A 307A 314A 319A 329C 420A 319C 315C 310B 315B 309B 312A 315A 315C 315B ►...
  • Page 92 P/No. M FEB., 2015 Printed in Poland...