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9-3. TROUBLESHOOTING OF PROBLEMS

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All manuals and user guides at all-guides.com

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Содержание PUHZ-SHW112YAA

Страница 1: ...CIFICATIONS 16 8 REFRIGERANT SYSTEM DIAGRAM 17 9 TROUBLESHOOTING 20 10 MONITORING THE OPERATION DATABY THE REMOTE CONTROLLER 59 11 DISASSEMBLY PROCEDURE 65 Note 7KLV PDQXDO GHVFULEHV VHUYLFH GDWD RI WKH RXWGRRU XQLWV RQO 5 72 7 5 7 3803 81 76 Service Ref PUHZ SHW80VAA UK PUHZ SHW112VAA UK PUHZ SHW80YAA UK PUHZ SHW112YAA UK PUHZ SW75VAA UK PUHZ SW100VAA UK PUHZ SW75YAA UK PUHZ SW100YAA UK PUHZ SHW8...

Страница 2: ...0 67 90 67 90 67 0 67 0 67 0 67 0 67 90 5 5 8 67 90 5 5 8 67 0 5 5 8 67 70 5 5 8 67 90 5 5 8 67 90 5 5 8 67 0 5 5 8 67 0 5 5 8 67 0 5 5 8 567 90 5 5 8 567 0 5 5 8 67 90 5 5 8 67 90 5 5 8 67 0 5 5 8 67 0 5 5 8 67 0 5 5 8 67 0 5 5 8 2 2 6 0 6 90 6 90 6 90 6 90 6 0 6 0 6 70 56 0 56 90 6 0 6 0 6 90 6 0 56 90 6 0 5 5 8 6 90 5 5 8 6 90 5 5 8 6 90 5 5 8 6 90 5 5 8 6 0 5 5 8 6 0 5 5 8 6 70 5 5 8 56 0 5 5 ...

Страница 3: ...io ration of refrigerant oil etc If large amount of mineral oil enters that can cause deterio ration of refrigerant oil etc Store the piping indoors and both ends of the piping sealed until just before brazing Leave elbow joints etc in their packaging If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of compressor Ventilate the ro...

Страница 4: ...er KHFN WKDW F OLQGHU IRU 5 RQ WKH PDUNHW LV D V SKRQ W SH KDUJLQJ VKRXOG EH SHUIRUPHG ZLWK WKH F OLQGHU RI V SKRQ VWRRG YHUWLFDOO 5HIULJHUDQW LV FKDUJHG IURP OLTXLG SKDVH 1R 7RRO QDPH 6SHFLILFDWLRQV 1 DXJH PDQLIROG Â 2QO IRU 5 Â 8VH WKH H LVWLQJ ILWWLQJ VSHFLILFDWLRQV 81 Â 8VH KLJK WHQVLRQ VLGH SUHVVXUH RI 03DÂ RU RYHU 2 KDUJH KRVH Â 2QO IRU 5 Â 8VH SUHVVXUH SHUIRUPDQFH RI 03DÂ RU RYHU 3 OHFWURQL...

Страница 5: ... UHIULJHUDQW 8VH QHZ SLSHV IRU 6 6 DQG 6 PRGHOV The existing pipe thickness does not meet VSHFL FDWLRQV RU WKH SLSHV DUH GDPDJHG 2 4 PRECAUTIONS FOR SALT PROOF TYPE BS MODEL OWKRXJK 6 PRGHO KDV EHHQ GHVLJQHG WR EH UHVLVWDQW WR VDOW GDPDJH REVHUYH WKH IROORZLQJ SUHFDXWLRQV WR PDLQWDLQ WKH SHU IRUPDQFH RI WKH XQLW YRLG LQVWDOOLQJ WKH XQLW LQ D ORFDWLRQ ZKHUH LW ZLOO EH H SRVHG GLUHFWO WR VHDZDWHU RU...

Страница 6: ...B mm R410A 36 0mm for indoor unit of RP100 125 and 140 R22 mm Gauge manifold Charge hose Gas leak detector Refrigerant recovery equipment Refrigerant cylinder Applied oil Safety charger Charge valve Vacuum pump Flare tool Bender Pipe cutter Welder and nitrogen gas cylinder Refrigerant charging scale Vacuum gauge or thermis tor vacuum gauge and vacuum valve Charging cylinder Air purge refrigerant c...

Страница 7: ...HG HWZHHQ WKH LQGRRU RXWGRRU HLJKW GLIIHUHQFH 0D LPXP P 3LSLQJ OHQJWK WR P 6HUYLFH 5HI 38 6 9 6 8 38 6 6 8 287 225 81 7 3RZHU VRXUFH 3KDVH F FOH YROWDJH 6LQJOH 9 3KDVH 9 0D FXUUHQW A WHUQDO QLVK 0XQVHOO 1 0XQVHOO 1 5217 3 1 5HIULJHUDQW FRQWURO LQHDU SDQVLRQ 9DOYH RPSUHVVRU HUPHWLF 0RGHO 1 07 1 07 0RWRU RXWSXW N 6WDUWHU W SH QYHUWHU 3URWHFWLRQ GHYLFHV 3 VZLWFK 3 VZLWFK LVFKDUJH WKHUPR 2YHUFXUUHQW G...

Страница 8: ...HWZHHQ WKH LQGRRU RXWGRRU HLJKW GLIIHUHQFH 0D LPXP P 3LSLQJ OHQJWK WR P 6HUYLFH 5HI 38 6 9 6 8 38 6 6 8 287 225 81 7 3RZHU VRXUFH 3KDVH F FOH YROWDJH 6LQJOH 9 3KDVH 9 0D FXUUHQW A WHUQDO QLVK 0XQVHOO 1 0XQVHOO 1 5217 3 1 5HIULJHUDQW FRQWURO LQHDU SDQVLRQ 9DOYH RPSUHVVRU HUPHWLF 0RGHO 1 07 1 07 0RWRU RXWSXW N 6WDUWHU W SH QYHUWHU 3URWHFWLRQ GHYLFHV 3 VZLWFK 3 VZLWFK RPS VXUIDFH WKHUPR LVFKDUJH WKHU...

Страница 9: ...P P P P 38 6 9 6 8 38 6 9 6 8 38 6 6 8 38 6 6 8 38 6 9 6 8 38 6 6 8 38 6 9 6 8 38 6 6 8 6HUYLFH 5HI 38 6 9 6 8 38 6 9 6 8 38 6 6 8 38 6 6 8 38 6 9 6 8 38 6 6 8 RPSUHVVRU PRGHO 1 07 1 07 61 0 61 0 LQGLQJ 5HVLVWDQFH ȍ 8 9 8 9 DW 6HUYLFH 5HI 38 6 9 6 8 38 6 6 8 RPSUHVVRU PRGHO 1 07 1 07 LQGLQJ 5HVLVWDQFH ȍ 8 9 8 9 OCH651 38 6 9 6 8 38 6 6 8 38 6 6 8 38 6 6 8 All manuals and user guides at all guides ...

Страница 10: ...ROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE BAND CENTER FREQUENCIES Hz COOLING MODE HEATING 49 SPL dB 47 LINE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 90 80 70 60 50 40 30 20 10 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µ bar 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE BAND CENTER FREQUENCIES Hz COOLING MODE HEATING 45 SPL dB 43 LINE 1 5 m 1 m M...

Страница 11: ... HOLE 2X 27 KNOCK OUT REAR TRUNKING HOLE KNOCK OUT REAR PIPING HOLE KNOCK OUT 55 38 58 71 30 55 25 92 65 92 SERVICE PANEL TERMINAL CONNECTION LEFT POWER SUPPLY WIRING RIGHT INDOOR OUTDOOR WIRING EARTH TERMINAL 1 2 1 328 1 336 2 802 30 528 1020 363 1050 2 INDICATION OF TERMINAL CONNECTION LOCATION 2 1 REFRIGERANT GAS PIPE CONNECTION FLARE 15 88 5 8F EXAMPLE OF NOTES REFRIGERANT LIQUID PIPE CONNECTI...

Страница 12: ...5 1 LEV A WH 3 1 63H YE 1 2 t 1 4 t t TH3 WH TH7 6 RD LEV A M 5 5 1 LEV B RD LEV B M 5 2 1 t TH4 TH4 WH 63L 3 1 63L RD LED1 LED2 63HS WH TRANS TH7 TH6 TH3 63HS CN4 WH 1 3 TH8 CNM WH 1 14 CNDC PK 1 2 3 CNS WH 3 1 F2 F1 F3 F4 CNAC WH 1 3 CNDM WH 1 2 2 1 2 3 4 7 CN2 RD CNL BU CNDC PK 3 1 3 1 SW4 SW8 SWP SW1 SW6 SW5 1 3 2 7 2 1 1 1 1 1 3 2 2 7 2 CN7 WH CN6 WH CN4 WH CN2 RD CN5 RD BK RD RD RS L3OUT X52...

Страница 13: ... on the S3 terminal caused by electrical circuit design that has no electrical insulation between power line and communication signal line Therefore please turn off the main power supply when servicing And do not touch the S1 S2 S3 terminals when the power is energized If isolator should be used between indoor unit and outdoor unit please use 3 pole type Notes 1 Wiring size must comply with the ap...

Страница 14: ... SHW80VAA BS UK PUHZ SHW112VAA BS UK PUHZ SHW80YAA UK PUHZ SHW112YAA UK PUHZ SHW80YAA BS UK PUHZ SHW112YAA BS UK PUHZ SW100VAA UK PUHZ SW100YAA UK PUHZ SW100VAA BS UK PUHZ SW100YAA BS UK REV V CHECK V H H P SW TH4 TH33 COMP CHECK V L Strainer2 100 Strainer1 100 LEV A LEV B Strainer3 100 Strainer4 100 Rec TH8 TH3 P B TH7 HEX P SENSOR Distributer ball valve Stop valve with service port Strainer6 50 ...

Страница 15: ... SHUIRUPHG DLW XQWLO WKH FRPSUHVVRU KDV EHHQ VWRSSHG IRU PLQXWHV DQG WKHQ SXVK WKH SXPS GRZQ 6 3 VZLWFK DJDLQ 6 XOO FORVH WKH EDOO YDOYH RQ WKH JDV SLSH VLGH RI WKH RXWGRRU XQLW ZKHQ WKH SUHVVXUH JDXJH RQ WKH JDXJH PDQLIROG VKRZV WR 03D DXJH DSSUR WR NJI FPð DQG TXLFNO VWRS WKH DLU FRQGLWLRQHU HFDXVH WKH XQLW DXWRPDWLFDOO VWRSV LQ DERXW PLQXWHV ZKHQ WKH UHIULJHUDQW FROOHFWLQJ RSHUDWLRQ LV FRPSOHWH...

Страница 16: ...OOTING OF PROBLEMS The trouble is not reoccurring Logged Not logged 1Consider the temporary defects such as the work of protection devices in the refrigerant circuit including compressor poor connection of wiring noise etc Re check the symptom and check the installation environment refrigerant amount weather when the trouble occurred matters related to wiring etc 2Reset check code logs and restart...

Страница 17: ...4 KHFN FRQQHFWLRQ RI UHDFWRU RU 5HIHU WR 7 67 32 17 5 0 5 D KHFN FRQQHFWLRQ RI RXWGRRU QRLVH ILOWHU FLUFXLW ERDUG E 5HSODFH RXWGRRU QRLVH ILOWHU FLUFXLW ERDUG 5HIHU WR 7 67 32 17 5 0 6 5HSODFH RXWGRRU SRZHU FLUFXLW ERDUG 7 5HSODFH FRQWUROOHU ERDUG KHQ LWHPV DERYH DUH FKHFNHG EXW WKH XQLWV FDQQRW EH UHSDLUHG 63H connector open EQRUPDO LI FRQQHFWRU FLUFXLW LV RSHQ IRU PLQXWHV FRQWLQXRXVO DIWHU SRZHU...

Страница 18: ...PHWHU DQG OHQJWK RI LQGRRU RXWGRRU XQLW FRQQHFWLQJ ZLUH 7RWDO ZLULQJ OHQJWK P LQFOXGLQJ ZLULQJ FRQQHFWLQJ HDFK LQGRRU XQLW DQG EHWZHHQ LQGRRU DQG RXWGRRU XQLW OVR FKHFN LI WKH FRQQHFWLRQ RUGHU RI IODW FDEOH LV 6 6 6 3 KHFN WKH QXPEHU RI LQGRRU XQLWV WKDW DUH FRQQHFWHG WR RQH RXWGRRU XQLW I LV GHWHFWHG 4 6 7XUQ WKH SRZHU RII RQFH DQG RQ DJDLQ WR FKHFN 5HSODFH RXWGRRU FRQWUROOHU FLUFXLW ERDUG LQGRRU...

Страница 19: ... RSHUDWLRQ RI VWRS YDOYH 3 HIHFWLYH WKHUPLVWRU 4 HIHFWLYH RXWGRRU FRQWUROOHU ERDUG 5 HIHFWLYH DFWLRQ RI OLQHDU H SDQVLRQ YDOYH 6 ORJJLQJ ZLWK IRUHLJQ REMHFWV LQ UHIULJHUDQW FLUFXLW 1RWH ORJJLQJ RFFXU LQ WKH SDUWV ZKLFK EHFRPH EHORZ IUHH LQJ SRLQW ZKHQ ZDWHU HQWHUV LQ UHIULJHUDQW FLUFXLW 7 Q WKH FDVH RI WKH XQLW GRHV QRW UHVWDUW HWHFWLRQ WHPS RI WKHUPLVWRU 7 1 KHFN LQWDNH VXSHUKHDW KHFN OHDNDJH RI ...

Страница 20: ...U FRQWUROOHU FLUFXLW ERDUG 8 Power module KHFN DEQRUPDOLW E GULYLQJ SRZHU PRGXOH LQ FDVH RYHUFXUUHQW LV GHWHFWHG 8 RU 83 HUURU FRQGLWLRQ 1 2XWGRRU VWRS YDOYH LV FORVHG 2 HFUHDVH RI SRZHU VXSSO YROWDJH 3 RRVHQHVV GLVFRQQHFWLRQ RU FRQYHUVH RI FRPSUHVVRU ZLULQJ FRQQHFWLRQ 4 HIHFWLYH FRPSUHVVRU 5 HIHFWLYH RXWGRRU SRZHU FLUFXLW ERDUG 1 2SHQ VWRS YDOYH 2 KHFN IDFLOLW RI SRZHU VXSSO 3 RUUHFW WKH ZLULQJ 8...

Страница 21: ... ERDUG 6 9 6 9 Input current sensor error L1 phase open error HFUHDVH LQ LQSXW FXUUHQW WKURXJK RXWGRRU XQLW WR RQO LI RSHUDWLRQ IUHTXHQF LV PRUH WKDQ RU HTXDO WR RU FRPSUHVVRU FXUUHQW LV PRUH WKDQ RU HTXDO WR 1 SKDVH RSHQ 6 6 2 LVFRQQHFWLRQ RU ORRVH FRQQHFWLRQ EHWZHHQ 7 DQG RXWGRRU QRLVH ILOWHU FLUFXLW ERDUG 6 6 3 LVFRQQHFWLRQ RU ORRVH FRQQHFWLRQ RI 1 RQ WKH RXWGRRU SRZHU FLUFXLW ERDUG 1 7 RQ WKH ...

Страница 22: ...RU ORZHU F QFUHDVH LQ LQSXW FXUUHQW WR SHDN RU PRGHOV HTXLSSHG ZLWK VLQJOH SKDVH 3 RQO 1RW DSSOLFDEOH IRU 6 9 6 9 KHFN IRU WKH VZLWFK VHWWLQJV IRU 0RGHO 6HOHFW RQ WKH RXWGRRU FRQWUROOHU FLUFXLW ERDUG PFC IGBT error Undervoltage KHQ RPSUHVVRU LV UXQQLQJ EXV YROWDJH VWD V DW 9 RU ORZHU IRU FRQVHFXWLYH VHFRQGV 6 9 6 9 RQO 1 QFRUUHFW VZLWFK VHWWLQJV RQ WKH RXWGRRU FRQWUROOHU FLUFXLW ERDUG IRU PRGHO VH...

Страница 23: ...VPLWWLQJ UHFHLYLQJ FLUFXLW RI LQGRRU FRQWUROOHU ERDUG RI UHIULJHUDQW DGGUHVV 5 1RLVH KDV HQWHUHG LQWR WKH WUDQVPLVVLRQ ZLUH RI UHPRWH FRQWUROOHU Compressor overcurrent interruption EQRUPDO LI RYHUFXUUHQW EXV RU FRPSUHVVRU LV GHWHFWHG DIWHU FRPSUHVVRU VWDUWV RSHUDWLQJ IRU VHFRQGV 1 6WRS YDOYH RI RXWGRRU XQLW LV FORVHG 2 HFUHDVH RI SRZHU VXSSO YROWDJH 3 RRVHQHVV GLVFRQQHFWLRQ RU FRQYHUVH RI FRPSUHVV...

Страница 24: ... 5HSODFH RXWGRRU SRZHU FLUFXLW ERDUG 4 5HSODFH RXWGRRU FRQWUROOHU FLUFXLW ERDUG Indoor outdoor unit communication error Signal receiving error Outdoor unit EQRUPDO LI RXWGRRU FRQWUROOHU FLUFXLW ERDUG FRXOG QRW UHFHLYH DQ WKLQJ QRUPDOO IRU PLQXWHV 1 RQWDFW IDLOXUH RI LQGRRU RXWGRRU XQLW FRQQHFWLQJ ZLUH 2 HIHFWLYH FRPPXQLFDWLRQ FLUFXLW RI RXWGRRU FRQWUROOHU FLUFXLW ERDUG 3 HIHFWLYH FRPPXQLFDWLRQ FLU...

Страница 25: ...HG DIWHU WKH FRPSUHVVRU VWDUWV RSHUDWLRQ DQG WKH KRW DGMXVWPHQW PRGH KDV ILQLVKHG WKH XQLW LV GHWHFWHG DV DEQRUPDO ZKHQ FRQGHQVHU HYDSRUDWRU SLSH WHPSHUDWXUH LV QRW LQ KHDWLQJ UDQJH ZLWKLQ PLQXWHV 1RWH W WDNHV DW OHDVW PLQXWHV WR GHWHFW DEQRUPDOLW 1RWH W H FOXGHV WKH SHULRG RI GHIURVWLQJ HWHFWLRQ UHVWDUWV ZKHQ GHIURVWLQJ PRGH LV RYHU HDWLQJ UDQJH RQGHQVHU YDSRUDWRU WHPSHUDWXUH 7 í URRP WHPSHUDWXUH...

Страница 26: ...RWH FRQWUROOHU WKH UHPRWH FRQWUROOHU RSHUD WLRQ VZLWFK ZLOO EH QRW DFFHSWHG IRU DSSUR VHFRQGV 1 1RUPDO RSHUDWLRQ 5HPRWH FRQWUROOHU GLVSOD ZRUNV QRUPDOO DQG WKH XQLW SHUIRUPV FRROLQJ RSHUDWLRQ KRZHYHU WKH FDSDFLW FDQQRW EH IXOO REWDLQHG 1 5HIULJHUDQW VKRUWDJH 2 LOWHU FORJJLQJ 1 I UHIULJHUDQW OHDNV GLVFKDUJLQJ WHPSHUDWXUH ULVHV DQG 9 RSHQLQJ LQFUHDVHV QVSHFW OHDNDJH E FKHFNLQJ WKH WHPSHUDWXUH DQG RS...

Страница 27: ... VSDFH DURXQG WKH RXWGRRU XQLW DWHU RU YDSRXU LV HPLWWHG IURP WKH RXWGRRU XQLW Ŷ XULQJ FRROLQJ PRGH ZDWHU PD IRUP DQG GULS IURP WKH FRRO SLSHV DQG MRLQWV Ŷ XULQJ KHDWLQJ PRGH ZDWHU PD IRUP DQG GULS IURP WKH KHDW H FKDQJHU RI RXWGRRU XQLW Ŷ XULQJ GHIURVWLQJ PRGH ZDWHU RQ WKH KHDW H FKDQJHU RI RXWGRRU XQLW HYDSRUDWHV DQG ZDWHU YDSRXU PD EH HPLWWHG 7KH RSHUDWLRQ LQGLFDWRU GRHV QRW DSSHDU LQ WKH UHPRW...

Страница 28: ... main power 1RUPDO The start up diagnosis will be over in around 2 minutes 0LVZLULQJ RI LQGRRU outdoor connecting wire UHDNLQJ RI LQGRRU outdoor connecting wire S3 HIHFWLYH LQGRRU controller board HIHFWLYH RXWGRRU controller circuit board 5HIHU WR 6HOI GLDJQRVLV action table in order to solve the trouble Q FDVH RI FRPPXQLFDWLRQ errors the display of remote controller may not match the LED display ...

Страница 29: ... LI WKH ZLULQJ LV EDG Check if the fuses are blown The fuses on the outdoor controller circuit board will be blown when the indoor outdoor connecting wire short circuits DG ZLULQJ RI WKH outdoor controller board 7KH IXVHV RQ WKH outdoor controller circuit board are blown KHFN LI PLVZLULQJ EUHDNLQJ or poor contact is causing this problem Indoor outdoor connecting wire is polarized 3 core type Conne...

Страница 30: ...SODFH WKH RXWGRRU controller circuit board 1RUPDO Only the unit which has the refrigerant address 0 supplies power to the remote controller 6HW WKH UHIULJHUDQW address to 0 In case of the multiple outdoor units control recheck the refrigerant address again HIHFWLYH LQGRRU power board 5HSODFH WKH LQGRRU power board HIHFWLYH RXWGRRU power circuit board 5HSODFH WKH RXWGRRU power circuit board HIHFWLY...

Страница 31: ...ire Check the voltage of the remote controller wire If it is not between 10 and 16 V DC the indoor controller board must be defective 7KH UHPRWH FRQWUROOHU wire short circuits KHFN LI WKH UHPRWH controller wire is short circuited HIHFWLYH LQGRRU controller board 5HSODFH WKH LQGRRU controller board Diagnosis flow Cause QVSHFWLRQ PHWKRG DQG troubleshooting Symptoms Nothing is displayed on the remote...

Страница 32: ... expansion valve LEV A LEV B LEV C 1 Normal Abnormal Open or short Disconnect the connector then measure the resistance with a tester Winding temperature 20 Normal Gray Black Gray Red Gray Yellow Gray Orange Abnormal 46 3 Open or short Refer to the next page Fan motor MF1 Measure the resistance between the terminals with a tester Winding temperature 20 W V U 1435 i 150 9 4 HOW TO CHECK THE PARTS P...

Страница 33: ...DC TEST POINT 2 VCC between 5 and 4 í of the fan connector VCC 15 V DC Replace the fan motor Replace the outdoor controller board Replace the fan motor Replace outdoor controller board C B and fan motor MF1 Replace outdoor controller board Replace the fan motor Is the voltage normal Is the resistance abnormal Yes Yes No No Fan motor check CNF1 Is there contact failure Did the fuse blow No Yes Chec...

Страница 34: ...t H S W 7KHUPLVWRU 5 N FRQVWDQW Rt H S W Medium temperature thermistor 7KHUPLVWRU HDW VLQN 7 N N N N N N N N N N High temperature thermistor 7KHUPLVWRU LVFKDUJH 7 7KHUPLVWRU RPS VXUIDFH 7 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Temperature Resistance k 200 150 100 50 0 25 50 75 100 125 Temperature Resistance k 500 400 300 200 100 0 25 50 75 100 120 Temperature Resistance k OCH651 All manuals and u...

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Страница 41: ...When compressor is working in heating operation 1 Abnormal history clear Refrigerant address setting When power supply ON Clear Normal off or operating SWP 6 5 4 3 Under suspension Pump down Start Normal SW4 SW8 1 2 1 2 3 No function No function Use of existing pipe Used Not used No function Separate indoor outdoor unit power supplies Used Not used Always When power supply ON ON OFF 1 2 3 0 1 2 3 ...

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Страница 43: ...eceiving error is detected by indoor unit Remote controller transmitting error is detected by indoor unit Serial communication error Communication between outdoor controller board and outdoor power board Check code displayed on remote controller Refer to service manual for indoor unit 1Check if indoor outdoor connecting wire is connected correctly 2Check if 4 or more indoor units are connected to ...

Страница 44: ...t breaking Start up locked Compressor overcurrent breaking Abnormality of current sensor P B Abnormality of power module Open short of outdoor thermistors TH4 TH33 Open short of outdoor thermistors TH3 TH32 TH6 TH7 and TH8 1Check if connectors TH3 TH32 TH4 TH33 and TH7 6 on outdoor controller board and connector CN3 on outdoor power board are not disconnected 2Measure resistance value of outdoor t...

Страница 45: ...lay Contents to be inspected When power is turned on F3 F5 F9 E8 E9 EA Eb EC EE E0 E7 63L connector red is open 63H connector yellow is open 2 connectors 63H 63L are open Indoor outdoor communication error Signal receiving error Outdoor unit Indoor outdoor communication error Transmitting error Outdoor unit Miswiring of indoor outdoor unit connecting wire excessive number of indoor units 4 units o...

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Страница 53: ...ntrol 1 2 1 4 8 2 The tens digit The ones digit In this digit the total number of activated control is displayed Preventive control for excessive temp erature rise of discharge temperature Preventive control for excessive temp erature rise of condensing temperature Frosting preventing control Preventive control for excessive temp erature rise of radiator panel Example The following controls are ac...

Страница 54: ... air temperature TH7 Outdoor unit Heat sink temperature TH8 Discharge superheat SHd Sub cool SC Compressor Operating frequency Compressor Target operating frequency Outdoor unit Fan output step Outdoor unit Fan 1 speed Only for air conditioners with DC fan motor Outdoor unit Fan 2 speed Only for air conditioners with DC fan motor LEV A opening LEV B opening Primary current DC bus voltage Thermosta...

Страница 55: ...or postponement history 2 previous Outdoor unit Error postponement history 3 last but one Examples Ver 5 01 ĺ Auxiliary information displayed after version information Examples Ver 5 01 A000 ĺ Displays postponement code is displayed if no postponement code is present Displays postponement code is displayed if no postponement code is present Displays postponement code is displayed if no postponemen...

Страница 56: ... mode at time of error Compressor Operating current at time of error Compressor Accumulated operating time at time of error Compressor Number of operation times at time of error Discharge temperature at time of error Outdoorunit Liquidpipe1temperature TH3 attimeoferror Outdoor unit 2 phasepipetemperature TH6 at timeof error Outdoor unit Outside air temperature TH7 at time of error Outdoor unit Hea...

Страница 57: ...FROST Relay output state Display Power currently Compressor Four way valve Solenoid valve supplied to compressor Outdoor unit Control state Request code 51 Data display State 0 0 0 0 Normal 0 0 0 1 Preparingforheatoperation 0 0 0 2 Defrost Compressor Frequency control state Request code 52 Data display 0 0 Frequency control state 2 Frequency control state 1 Frequency control state 1 Display Curren...

Страница 58: ...N ON ON Actuator output state 2 Display 52C SV2 SS 0 1 2 3 4 5 6 7 ON ON ON ON ON ON ON ON ON ON ON ON Error content U9 Request code 55 Data display Error content 1 Error content 2 0 0 Error content 1 Detected Display Overvoltage Undervoltage L1 phase Power synchronizing error error open error signal error 0 1 2 3 4 5 6 7 8 9 A b C d E F Error content 2 Detected Display Converter Fo PAM error erro...

Страница 59: ...Standard 1 For high humidity Setting information 2 Display Single Heat pump 3 phase cooling only 0 Single phase Heat pump 1 Cooling only 2 3 phase Heat pump 3 Cooling only Outdoor unit Capacity setting display Request code 70 Data display Capacity 10 50 9 35 11 60 14 71 20 100 25 125 28 140 40 200 50 250 OCH651 All manuals and user guides at all guides com ...

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Страница 62: ...DU î WR UHPRYH WKH VHQVRU KROGHU 3XOO RXW WKH WKHUPLVWRU PELHQW 7 IURP VHQVRU KROGHU Note 1 When replacing thermistor Ambient TH7 replace it together with thermistor 2 phase pipe TH6 since they are combined together Refer to procedure No 6 to remove the thermistor 2 phase pipe TH6 Photo 7 8 Removing the thermistor Liquid TH3 5HPRYH WKH VHUYLFH SDQHO 6HH 3KRWR 5HPRYH WKH WRS SDQHO 6HH 3KRWR 5HPRYH ...

Страница 63: ... LEV coil LEV A LEV B LEV C 1 lead wire for high pressure switch low pressure switch and high pressure sensor 5HPRYH WKH HOHFWULFDO SDUWV ER 6HH 3KRWR RRVHQ WKH EDQGV IRU WKH OHDG ZLUH 5HPRYLQJ WKH ZD YDOYH FRLO 5HPRYH WKH ZD YDOYH FRLO IL LQJ VFUHZ IRU ULJKW 0 WR UHPRYH WKH ZD YDOYH FRLO 6OLGH WKH ZD YDOYH FRLO ULJKWZDUG WR UHPRYH LW 5HPRYLQJ WKH 9 FRLO RRVHQ WKH OHDG ZLUHV IL HG WR WKH SLSHV ZLW...

Страница 64: ...from heating as the tem perature below then braze the pipes so that the inside of pipes are not oxidized ZD YDOYH RU PRUH 9 RU PRUH LJK SUHVVXUH VZLWFK RU PRUH RZ SUHVVXUH VZLWFK RU PRUH LJK SUHVVXUH VHQVRU RU PRUH 1 For SHW model only Photo 11 SHW model Photo 12 12 Removing the compressor MC 5HPRYH WKH VHUYLFH SDQHO 6HH 3KRWR 5HFRYHU UHIULJHUDQW 5HPRYH WKH HOHFWULFDO SDUWV ER 6HH 3KRWR 5HPRYH WKH...

Страница 65: ...out spreading it in the air Photo 13 14 Removing the reactor ACL1 ACL2 ACL3 Y model only 5HPRYH WKH HOHFWULFDO SDUWV ER 6HH 3KRWR 5HPRYH WKH UHDFWRU DVV IL LQJ VFUHZV IRU ULJKW î WKHQ VOLGH WKH UHDFWRU DVV XSZDUG WR UHPRYH LW 5HPRYH WKH UHDFWRU IL LQJ VFUHZV IRU IURQW î WR UHPRYH WKH UHDFWRU RQ WKH UHDFWRU DVV Note 1 Pay extra attention when handling the reactor since it is very heavy 4 1 kg Photo...

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Страница 68: ...DU î WR UHPRYH WKH VHQVRU KROGHU 3XOO RXW WKH WKHUPLVWRU PELHQW 7 IURP VHQVRU KROGHU Note 1 When replacing thermistor Ambient TH7 replace it together with thermistor 2 phase pipe TH6 since they are combined together Refer to procedure No 6 to remove the thermistor 2 phase pipe TH6 Photo 7 8 Removing the thermistor Liquid TH3 5HPRYH WKH VHUYLFH SDQHO 6HH 3KRWR 5HPRYH WKH WRS SDQHO 6HH 3KRWR 5HPRYH ...

Страница 69: ...alve LEV LEV A LEV B high pressure switch and high pressure sensor 5HPRYH WKH VHUYLFH SDQHO 6HH 3KRWR 5HFRYHU UHIULJHUDQW 5HPRYH WKH HOHFWULFDO SDUWV ER 6HH 3KRWR 5HPRYH WKH YDOYH EHG IL LQJ VFUHZV IRU IURQW î DQG WKH EDOO YDOYH DQG VWRS YDOYH IL LQJ VFUHZV IRU IRUQW WR UHPRYH WKH YDOYH EHG 5HPRYH WKH VLGH SDQHO 5 6HH 3KRWR 5HPRYLQJ WKH ZD YDOYH 5HPRYH WKH ZD YDOYH FRLO 5HPRYH WKH ZHOGHG SDUW RI Z...

Страница 70: ...in the air 2 Tighten the nuts of compressor with a torque of 4 0 4 N m Photo 11 1 13 Removing the receiver 5HPRYH WKH VHUYLFH SDQHO 6HH 3KRWR 5HFRYHU UHIULJHUDQW 5HPRYH WKH SLSLQJ 5HPRYH WKH UHFHLYHU OHJ IL LQJ VFUHZV IRU WRS î WKHQ VOLGH WKH UHFHLYHU XSZDUG WR UHPRYH LW 7KH UHFHLYHU LV IL HG WR WKH EDVH ZLWK D KRRN RQ WKH ERWWRP Note 1 Recover refrigerant without spreading it in the air Photo 11 ...

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