LG GBB530***F Series, Service Manual

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S AF E TY P R E C AUTIONS ............................................................................................................ ........................................... 2
S E R VIC ING P R E C AUTIONS ................................................................................................................................................... 3
S P E C IF IC ATIONS ................................................................................................................ ................................................4-
7
P AR TS IDE NTIF IC ATION .......................................................................................................... ......................................... 8 -1 2
INS TR UC TIONS F OR R E VE R S ING DOOR S WING ......................................................................................... ...............1 3 -1 5
DIS AS S E MB L Y ................................................................................................................... ..............................................1 6 -1 7
DOOR .......................................................................................................................... ......................................................1 6
DOOR S WITC H ................................................................................................................... ..............................................1 6
F AN AND F AN MOTOR ............................................................................................................. ........................................1 6
DE F R OS T C ONTR OL AS S E MB LY ...................................................................................................... .............................1 7
F R E E ZE R HE ATE R , S HE ATH ........................................................................................................ ..................................1 7
C O M P R E S S O R ( A + + a n d A s ) l e d o M + ...................................................................................... ...................................1 8
P T C - S T A R T E R ( A + + a n d A + M od e l s ) ...................................................................................... . ..................................1 8
O L P ( O V E R L O A D PR OT E C T OR ) ( A + + a n d A + M o d e l s ) ....................................................... . ..................................1 9
C OMP R E S S OR .................................................................................................................... ............................................. 20 -2 8
A D J U S T M E N T .................................................................................................................... .............................................1 8 -1 9
INVE R TE R LINE AR C OMP R E S S OR . ................................................................................................... ....................... 20 -2 8
HE AVY R E P AIR ME THOD OF R E FR IG E R ATOR B Y AP P L IC ATION OF R E FR IG E R ANT ................................... . .......2 9 -3 4
OUTLINE ....................................................................................................................... .....................................................2 9
HE AVY R E P AIR S VC ME THOD ....................................................................................................... ........................... 30 -3 4
C IR C UIT DIAG R AM ............................................................................................................... ...........................................3 5 - 4
TR OUB L E S HOOTING (ME C HANIC AL P AR T) ............................................................................................. .................... 4 -4 9
ANOTHE R E LE C TR IC C OMP ONE NTS ................................................................................................... ......................... 4
PTC AND OLP ..................................................................................................................................................................... 4
COMPRESSOR AND ELECTRIC COMPONENTS ......................................................................................... ......................... 4
S E R VIC E DIAG NOS IS C HAR T ....................................................................................................... .................................. 4
R E F R IG E R ATING C Y C LE ........................................................................................................... ................................ 4 -
MIC OM F UNC TION & P C B C IR C UIT E XP L ANATION ...................................................................................... .............. 5 - 5
MIC OM E R R OR C ODE .............................................................................................................. .......................................
5 -5
P C B P IC TUR E ................................................................................................................... ...............................................5 - 6
TR OUB L E S HOOTING WITH E R R OR DIS P L AY ............................................................................................ ................. 6 - 7
TR OUB L E S HOOTING WITHOUT E R R OR DIS P L AY ......................................................................................... ............. 7 - 8
R E F E R E NC E ..................................................................................................................... ............................................... .8 - 8
E XP L ODE D VIE W &R E P L AC E ME NT P AR TS L IS T ......................................................................................... ............... 8 -
P lease read the following instructions before servicing your
refrigerator.
1. C heck 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 meta l products in the freezer with wet
hands. This may cause frostbite.
6. P revent water from following onto electric elements in
the mechanical parts.
7. W hen s ta nding up a fter ha ving checked the lower
s ection of the refrigerator with the upper door open,
move with care to avoid hitting the upper door.
8. When tilting the set, remove any materials on the set,
especially the thin plates(ex. G lass shelf or books.)
9. When servicing the evaporator, wear cotton gloves.
10. Leave the dis as s embly of the refrigerating cycle to a
s pecialized s ervice center. T he gas ins ide the circuit
may pollute the environment.
11. When you discharge the refrigerant, wear the protective
safety glasses or goggle for eye safety.
12. When you repair the cycle system in refrigerator, the
work area is well ventilated.
E specially if the refrigerant is R 600
heat sources. (No smoking)
C ONTE NTS
S AF E TY P R E C AUTIONS