User manual LG DHB1660PL

[. . . ] Outdoor Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operation Characteristic Curve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CONSTRUCTION VIEWS (EXTERNAL VIEWS). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Outdoor Unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] YES NO Check compressor. Check 4-way valve. [F31] <Display 1> <Display 2> [EEPROM error] ¡ ¡ ¡ ¡ [H01] l l ¡ ¥ ¥ ¥ ¥ ¥ ¡ Check outdoor P. C. Defect Replace <Display 1> <Display 2> [Compressor break down] ¡ ¡ ¡ l l l ¥ l l l l Is power supply voltage normal?Compressor lead (Board side, Compressor side), Reactor lead, Power supply lead YES Is it not abnormal overload?NO NO Correct power supply line. NO Check wire connection and correct it. YES Correct and clear the cause. Check outdoor P. C. Defect Replace ­ 70 ­ Check code [H02] Outdoor LED display <Display 1> <Display 2> Check and troubleshooting (Item without special mention Indicates part of outdoor unit. ) [Compressor lock] Is power supply voltage normal?Compressor lead (Board side, Compressor side), Reactor lead, Power supply lead YES Is compressor normal?NO Correct power supply line. ¡ ¡ ¡ ¡ l l l ¥ l l l l [H03] <Display 1> <Display 2> [Current detection circuit error] ¡ ¡ ¡ ¡ l l l ¥ ¥ ¡ [Power supply error (Vdc)] Refer to [P05] column. l l l Check outdoor P. C. Defect Replace <Display 1> <Display 2> ¡ ¡ ¡ ¡ ¡ [H04] l ¥ ¥ [Case thermostat operation] Are CN609 connection and case thermostat normal?YES Is cooling/heating operation available when short-circuiting case thermostat?Case thermostat error Replace l l l <Display 1> <Display 2> ¡ ¡ ¡ ¡ l l l ¥ l l l l ­ 71 ­ Check code [H06] Outdoor LED display <Display 1> <Display 2> Check and troubleshooting (Item without special mention Indicates part of outdoor unit. ) [Low pressure protective operation] Are gas pipe, liquid pipe and service valve of the outdoor unit fully opened?NO Open the service valve fully. ¡ ¡ ¡ ¡ l l l ¥ ¥ l l l Pressure by pressure gauge (Check joint) Pressure indication by LED Output power of I/F (CDB) P. C. Clogging of heat exchanger Short circuit NO Overcharge of refrigerant/ Clogging/Pipe breakage/ Abnormal overload YES Elimination of blocking element ­ 74 ­ Check code [P04] Outdoor LED display Check and troubleshooting (Item without special mention Indicates part of outdoor unit. ) C Heating operation Does the heating indoor fan normally operate?Filter clogging Clogging of heat exchanger Short circuit NO Clogging by refrigerant overcharge/Pipe breakage/ Abnormal overload NO Are connections of connectors, capacitors and fan motor normal?YES NO YES Elimination of blocking element Repair defective position. Are characteristics of TC and TCJ sensor resistance value normal?board Defective Replace Replace TC or TCJ sensor. <Display 1> <Display 2> ¡ ¡ ¡ ¡ [Case thermostat operation] Refer to [H04] column. l l l ¥ l l l l <Display 1> <Display 2> ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ ¡ [Power supply error (Vdc)] Refer to [P05] column. l ¥ ¥ ¡ ¥ [High pressure protective operation] Refer to [P20] column. l l l <Display 1> <Display 2> l ¥ l l l ­ 75 ­ Check code [P05] Outdoor LED display <Display 1> <Display 2> Check and troubleshooting (Item without special mention Indicates part of outdoor unit. ) [Power supply error (Voltage error)] Is there no open phase of the power supply?YES Correct wiring. ¡ ¡ ¡ ¡ ¡ ¡ l ¥ ¥ l l l Check outdoor P. C. Defect Replace [P07] <Display 1> <Display 2> [Heat sink overheat error] Is there no loosening of screws of motor drive element of outdoor P. C. Retightening of screws. ¡ ¡ ¡ ¡ ¡ ¡ l ¥ ¥ ¥ l l [P15] <Display 1> <Display 2> [Gas leak detection] Is there no gas leak?Recharge refrigerant. ¡ ¡ ¡ ¡ ¡ ¡ l ¥ ¥ ¥ ¥ l [P19] <Display 1> <Display 2> [4-way valve inverse error] Is operation of 4-way valve normal?in cooling/heating operation. ) NO Is power supplied to 4-way valve coil?YES Temperature sensor check TE sensor CN601 TS sensor CN600 Indoor TC sensor Defect Correct and repair ¡ ¡ ¡ ¡ ¡ l ¡ ¥ ¥ ¥ l l ­ 76 ­ Check code [P20] Outdoor LED display <Display 1> <Display 2> Check and troubleshooting (Item without special mention Indicates part of outdoor unit. ) [High pressure protective operation] Is valve fully opened?YES Reset the power supply and then perform test run matching to the season. [. . . ] Fix the claws by using your hands to press the hooking claws (5 positions). Discharge port cabinet CAUTION Check that all the hooking claws are fixed at the specified positions. Flat screwdriver Fan guard 2) After mounting, fix the fan guard with screws. (Hexagonal screws Ø4 × 10, 2 pcs. ) 3) Attach and mount the claws (3 positions) on the upper side of the bellmouth in the square hole of the discharge cabinet. (ST1T Ø4 × 8, 2 pcs. ) Hooking claw Discharge port cabinet Square hole (3 positions) Bellmouth Claw (3 positions) ­ 123 ­ 15. Outdoor Unit RAV-SM2244AT8 (Z) (ZG) -E, RAV-SM2804AT8 (Z) (ZG) -E 42 4 25, 26, 27 1 44, 45 16, 17 39 38 2 3 22, 23, 24 58, 59 29 28 46 8 53 41 13, 14 11, 12 60 30 7 20, 21 19 35 18 36, 37 10, 49 9, 48 47, 55, 56 15 40 43 31 32 6 51 5, 52 50 61 33, 34, 57 ­ 124 ­ Location No. [. . . ]