Home » LG Manuals » Air Conditioners » LG HBLG2350E » Manual Viewer

LG HBLG2350E Service Manual

LG HBLG2350E Manual

View all LG HBLG2350E manuals

Add to My Manuals
Save this manual to your list of manuals

LG HBLG2350E manual content summary:

LG HBLG2350E | Service Manual - Page 1
biz.lgservice.com Room Air Conditioner SVC MANUAL(Exploded View) MODEL : LWM1836TAS, LWM1836QCG, LWN2131QAG, Y5USC24-6R, WG2400R, LWN2432QAS, LWN2433TCS, WG1800R, M1804R, Y5USC18-6R, LWM1836QAS, HBLG1800R, HBLG2400R, M2403R, LWC243NSMM0, LWC243NSMM2, HBLG2350E CAUTION Before Servicing the unit, read
LG HBLG2350E | Service Manual - Page 2
RESISTANCE TEST...3 1.3 SPECIFICATIONS...3 1.4 FEATURES ...4 1.5 CONTROL LOCATIONS ...4 2. DISASSEMBLY INSTRUCTIONS 2.1 MECHANICAL PARTS ...5 2.1.1 FRONT GRILLE ...5 2.1.2 CABINET...5 2.1.3 CONTROL BOX ...5 2.2 AIR HANDLING PARTS ...6 2.2.1 COVER (AT THE TOP) ...6 2.2.2 BLOWER...6 2.2.3 FAN
LG HBLG2350E | Service Manual - Page 3
service manual provides various service information, including the mechanical and electrical parts, etc. This room air conditioner was manufactured and assembled under a strict quality control system. The refrigerant Y5USC24-6R LWC243NSMM0 LWN2433TCS LWC243NSMM2 HBLG2350E POWER SUPPLY 1Ø, 208/230V
LG HBLG2350E | Service Manual - Page 4
ventilation feature, make the lever, as shown. First, pull down part to horizontal line with part . Part A Precaution: The Remote Control unit will not function properly if strong light strikes the sensor window of the air conditioner or if there are obstacles between the Remote Control unit and
LG HBLG2350E | Service Manual - Page 5
DISASSEMBLY INSTRUCTIONS - Before the following disassembly, POWER SWITCH is set to OFF and disconnected the power cord. 2.1 MECHANICAL PARTS 2.1.1 this manual and on the control box.) Figure 2 Figure 3 Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes
LG HBLG2350E | Service Manual - Page 6
2.2 AIR HANDLING PARTS 2.2.1 Move the evaporator sideward carefully. 4. Remove the orifice from the air guide carefully. 5. Remove the clamp spring which is clamped to the 7 (a) Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes -6- Figure 7 (b)
LG HBLG2350E | Service Manual - Page 7
referring to the removal procedure, above. 2.3 ELECTRICAL PARTS 2.3.1 MOTOR 1. Remove the cabinet. (Refer to 2.1.2) 2. Discharge the refrigerant by using a Refrigerant Recovery System. 3. Disconnect ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes -7-
LG HBLG2350E | Service Manual - Page 8
one ground-marked hole for ground connection.) 8. If the supply cord of this appliance is damaged, it must be replaced by the special cord. (The special cord above. Figure 14 Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes -8- LGE Internal Use Only
LG HBLG2350E | Service Manual - Page 9
refrigerant system using FreonTM Recovery System. If there is no valve to attach the recovery system, install one (such as a WATCO A-1) before venting the FreonTM. Leave the valve in place after servicing ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes -9- LGE
LG HBLG2350E | Service Manual - Page 10
cycle, be sure to discharge the refrigerant system using a FreonTM recovery System. If there is no valve to attach the recovery system, install one (such as a WATCO A-1) before venting the FreonTM. Leave the valve in place after servicing the system. 2. After discharging the unit completely
LG HBLG2350E | Service Manual - Page 11
SEE INSETS BELOW EVAPORATOR (LOW PRESSURE SIDE) COMPRESSOR A B EXTERNAL VACUUM PUMP LOW HI B A CHARGING CYLINDER C Figure 17A-Pulling Vacuum Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 11 - Figure 17B-Charging LGE Internal Use Only
LG HBLG2350E | Service Manual - Page 12
Disassemble the inlet grille from the front grille with separating the hinged part by inserting a straight type screw-driver tip (b). 4. Then, rotate designed for that way. FOAM COOLED AIR Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 12 - 30-60
LG HBLG2350E | Service Manual - Page 13
NOTE: All supporting parts should be secured guide(2) Window locking bracket Sill bracket(2) Support bracket(2) Right frame curtain Type A (14) Type B (7) Type C (5) Type D (2) Carriage Bolt (2) Lock Nut (4) Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service
LG HBLG2350E | Service Manual - Page 14
to the unit with 10 screws (Type A) at both sides. Foam-PE Figure 20 Top retainer bar Top retainer bar Foam-PE Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Screw (Type A) Figure 21 Frame guide Screw(Type A) - 14 - LGE Internal Use Only
LG HBLG2350E | Service Manual - Page 15
designed to operate with approximately 1/2" of water in bottom pan. Cabinet Track hole Support Bracket Carriage bolt and lock nut Figure 23 Top retainer bar Figure 24 Machine screw ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 15 - LGE Internal Use
LG HBLG2350E | Service Manual - Page 16
Fig. 31) 12. Window installation of room air conditioner is now completed. Figure 30 Figure 31 Screw(Type C) Power Cord Screw (Type A) Foam-Strip Window locking bracket Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes Figure 32 - 16 - LGE Internal
LG HBLG2350E | Service Manual - Page 17
MOTOR OUTSIDE COOLING AIR FOR REFRIGERANT PASS THROUGH COMPRESSOR OIL (LIQUID REFRIGERANT) CAPILLARY TUBE Figure 33 LIQUID OUTLET HIGH PRESSURE VAPOR LIQUID PEFRIGERANT LOW PRESSURE VAPOR Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 17 - LGE
LG HBLG2350E | Service Manual - Page 18
4.3 TROUBLESHOOTING GUIDE In general, possible trouble is classified in two causes. The one is called Starting Failure which is caused from an electrical defect, and the other is Ineffective Air Conditioning caused by a defect in the refrigeration circuit and improper application. Unit runs but
LG HBLG2350E | Service Manual - Page 19
motor Irregular motor resistance ( ) Irregular motor insulation ( ) Replacement of compressor (Motor damaged) Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 19 - Regular but fails to start Replacement of compressor (locking of rotor, metal) LGE
LG HBLG2350E | Service Manual - Page 20
ELECTRIC PARTS TROUBLESHOOTING GUIDE: Possible Trouble 1 • The unit does not operate. Is the • Exchange IC01A. • Connect connector exactly. • Check the P.W.B pattern. Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 20 - LGE Internal Use Only
LG HBLG2350E | Service Manual - Page 21
wire connection of NO RY-COMP all right? YES • Check the RY-COMP. Possible Trouble 4 • Fan does not operate. • Connect LEAD Wire to RY-COMP again. Is Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 21 - • Exchange IC01M. • Exchange
LG HBLG2350E | Service Manual - Page 22
Reference to OWNER'S MANUAL. • Set the Knob of SW1 to left position. • Check the SW1. • Check the pattern of Main & Display PCB. Possible Trouble 6 • Romote controller DISP1 exactly. Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 22 - LGE Internal
LG HBLG2350E | Service Manual - Page 23
Possible Trouble 7 • It displays abnormally on Display P.W.B Ass'y. NO Is the IC01G IC01G. • Connect connector to CN-DISP1 exactly. • Exchange Q01G, Q02G, Q03G, Q04G Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 23 - LGE Internal Use Only
LG HBLG2350E | Service Manual - Page 24
ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM 208~230 ± 10% 187V MAXIMUM 253V COMPLAINT low speed. If the speed does not change, replace the motor. Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 24 - LGE Internal Use Only
LG HBLG2350E | Service Manual - Page 25
. Voltage Wiring Rotary Thermistor Capacitor (discharge capacitor before servicing.) Compressor Overload Compressor cycles on overload. Voltage Overload , and retest.) Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 25 - LGE Internal Use Only
LG HBLG2350E | Service Manual - Page 26
Refrigeration system Air filter Exhaust damper door Unit undersized Blower or fan Copper tubing Auto air is hitting scroll or barrier, rearrange the air handling parts. Remove the cabinet and carefully rearrange the LG Electronics. Inc. All right reserved. Only for training and service purposes -
LG HBLG2350E | Service Manual - Page 27
9 NO. DESCRIPTION 1 POWER CORD 2 FAN MOTOR 3 CAPACITOR 4 COMPRESSOR 5 MAIN PWB ASSEMBLY 6 DISPLAY PWB ASSEMBLY 7 THERMISTOR ASSEMBLY 8 CONNECTOR 9 FUSE Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 27 - LGE Internal Use Only
LG HBLG2350E | Service Manual - Page 28
CONTROL DEVICE Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes NOTE 1. The unit ENERGY SAVER SW3 D03F 1 5V 17 5 4 12 11 A/SWING 10 A/RESTART 9 8 7 AIR PURIFIER 6 3 2 CN-DISP TEMP DOWN SW5 D05F TIMER SW2 D02F COOL DEFROST DRY/HEAT TIMER
LG HBLG2350E | Service Manual - Page 29
5.3. COMPONENTS LOCATION (FOR MAIN P.C.B ASM) 5.4. COMPONENTS LOCATION (FOR DISPLAY P.C.B ASM) Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 29 - LGE Internal Use Only
LG HBLG2350E | Service Manual - Page 30
135312 359012 135303 152302 147582 349001 263230 268711A 237200 238310 147581A 147581B 268711B 264110 267110 249950 146812 Copyright ©2007 LG Electronics. Inc. All right reserved. Only for training and service purposes - 30 - 554160 352113 352111 552102 35211A LGE Internal Use Only
LG HBLG2350E | Service Manual - Page 31
P/NO : 3828A20095H FEBRUARY, 2008