User manual LG AC450W

[. . . ] Outdoor Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operation Characteristic Curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONSTRUCTION VIEWS (EXTERNAL VIEWS). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Indoor Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] (Be sure not to forget to attach insulating sheet between heat sink and Q300, Q400. ) ¡ ¡ ¡ ¡ ¡ l ¥ ¥ ¥ ¡ l l YES Is not the ventilation flue of the heat sink blocked?(Short-circuit, etc. ) YES Check outdoor P. C. Defect Replace NO Remove blocking matter. Correct short-circuit. [P15] <Display 1> <Display 2> ¡ ¡ ¡ ¡ ¡ l ¥ ¥ ¥ ¥ ¡ [Gas leak detection] NO Is there no gas leak?Recharge refrigerant. l Is PMV normal?YES NO Correct defective position. Replace defective part. Is valve fully opened?YES NO Open valve fully. YES Is there no crushed pipe?TD sensor CN603 TS sensor CN600 OK Check outdoor P. C. Defect Replace Error Correct and replace piping. Correct connector. Sensor error Replace ­ 115 ­ <In case of SP110, SP140> Check code [P19] Outdoor LED display <Display 1> <Display 2> Check and troubleshooting (Item without special mention Indicates part of outdoor unit. ) [4-way valve inverse error] ¡ ¡ ¡ ¡ ¡ ¥ ¥ ¥ ¡ l l l Is operation of 4-way valve normal?Defect Replace YES NO Replace sensor. Eliminate interfering element. ­ 117 ­ <In case of SP110, SP140> Check code [P22] Outdoor LED display <Display 1> <Display 2> Check and troubleshooting (Item without special mention Indicates part of outdoor unit. ) [Fan system error] Is there no problem on power supply voltage?(198 to 264V) YES Does the fan rotate without trouble when rotating shaft of fan motor with hands during power-OFF?Is there no problem on coil resistance of fan motor?Between red and white lead wire : 12 to 20 Between white and black lead wire : 12 to 20 Between black and red lead wire : 12 to 20 NO Replace fan motor. Defect Replace NO Check wiring construction. Ask repair of power supply. ¡ ¡ ¡ ¡ ¡ l ¥ ¥ ¥ ¡ l l YES Single operation check for outdoor fan 1) Set SW804 of Dip switch as the following figure and then push SW801 for approx. 1 second to check single operation of outdoor fan. Use this method to check which fan, upper or lower fan, has a trouble. · When pushing SW801 for 1 second again or 2 minutes passed, the fan stops. Outdoor fan single operation 2) After check, turn off all Dip switch SW804. SW804 1234 SW801 [P26] <Display 1> <Display 2> ¡ ¡ ¡ ¡ ¡ ¥ ¥ ¥ ¡ l l [Short-circuit of compressor drive element] Is there no problem on connection of compressor lead or reactor?(Check referring to Wiring diagram. ) YES The same error does not occur in operation without compressor lead. [. . . ] 43409207 43480017 4302D003 43407145 43407146 43409212 43409216 43401037 43401041 43401043 43401047 43407148 43407149 43407150 43407154 43403010 43403011 43403012 43407155 43407156 43460125 43400077 43109423 43109424 Description Grille, Air Inlet Air Filter, ABS + PPNET Motor, Louver, MP24Z3N Outlet, Air Form, PS-F Outlet, Air Form, PS-F Louver, ABS Louver, ABS Cover, Panel Ass'y Cover, Panel Ass'y Cover, Panel Ass'y Cover, Panel Ass'y Plate, Fix, Panel Plate, Fix, Panel Hook, ABS Cap, AXIS, POM Cover Ass'y, Motor Cover Ass'y Cover Ass'y Fix, Motor, ABS Fix, Motor, ABS Lead, Motor Panel, Front, PS (W) Louver, ABS Louver, ABS U31PGS (W)-E U31PGS (WS)-E ­ 214 ­ RBC-AX31U (W)-E, RBC-AX31U (WS)-E 354 358 353 355 356, 357 Location No. 43459011 43462010 43461006 43108018 43108019 43460126 Description P. C. Board Ass'y, Remote Receiver Cover, WRS, ABS Sheet, PC Cover, Panel, WRS Cover, Panel, WRS Lead Model Name AX31U (W)-E 1 1 1 1 RBCAX31U (WS)-E 1 1 1 1 1 1 ­ 215 ­ Revised 2: Jun. , 2008 RAV-SM404SDT-E, RAV-SM454SDT-E, RAV-SM564SDT-EE 220 208 206, 209 217 208 204 232 222 216 219 205 201 230 204 229 227 212 207 207 213 214 228 213, 218, 224 225, 226, 231 235 236 234 237 233 TEST SETTING C ADR ­ 216 ­ Revised 2: Jun. , 2008 Location No. 201 203 205 206 207 208 211 212 213 214 216 217 218 219 220 221 222 224 225 226 227 228 229 230 231 232 233 234 235 236 237 Part No. [. . . ]