Gree GWH(07)UA-K3DNA1A/I Page 46 Service Manual Download | Manualshive

Page: 46 / 58

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7URXEOHVKRRWLQJ

M alfunction is

eliminated.

No

Yes

“U8” is
displayed on
the unit.

Re-energize 1
minute after
de-erergization

Is“U8”
still displayed?

The zero-cross detection
circuit of the mainboard is
defined abnormal. Replace
the mainboard.

The unit returns to normal.
Conclusion: U8 is displayed due to
instant energization after de-
energization while the capacitor
discharges slowly.

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Summary of Contents for GWH(07)UA-K3DNA1A/I

Page 1: ...GREE ELECTRIC APPLIANCES INC OF ZHUHAI Service Manual Change for Life 02 6 8 1 8 1 8 1 8 1 8 1 ROG 3ODVPD 8 1 ROG 3ODVPD 8 1 ROG 3ODVPD 8 1 ROG 3ODVPD ...

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Page 5: ... be performed by your dea ler or a specialized subcontractor as there is the risk of fire electric shock explosion or injury Have all wiring connected tightly Loose connection may lead to overheating and a possible fire hazard Make sure the outdoor unit is installed on a stable level surface with no accumulation of snow leaves or trash beside Make sure the ceiling wall is strong enough to bear the...

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Page 10: ... 6SHFL FDWLRQV 1RLVH ULWHULD XUYH 7DEOHV IRU bRWK 0RGHOV High Middle High Middle 30 33 36 39 42 45 Super High Middle Low 12K 18K Low Super Low 27 24 Noise dB A Indoor fan motor rotating speed 09K ...

Page 11: ... RQVWUXFWLRQ 9LHZV W Q R S D H Q R S Q R S RQVWUXFWLRQ 9LHZV 8QLW PP 0RGHO 4 5 6 ...

Page 12: ... available for 18K model C2 C3 D3 D2 B3 B2 A2 A3 A1 A unit electronic expansion valve B1 B unit electronic expansion valve C1 C unit electronic expansion valve D1 D unit electronic expansion valve A2 A unit gas pipe temperature sensor B2 B unit gas pipe temperature sensor C2 C unit gas pipe temperature sensor D2 D unit gas pipe temperature sensor A3 A unit liquid pipe temperature sensor B3 B unit ...

Page 13: ...GN STEPPING M3 SWING UD2 TEMP TEMP AC L COMP DISPLAY RECEIVERAND DISPLAYBOARD DISP2 AP2 DISP1 N M1 FANMOTOR PG PGF TUBE ROOM SENSOR SENSOR TUBE RT1 RT2 ROOM AP1 PRINTED CIRCUIT BOARD JUMP CAP OUTDOOR UNIT SWING UD1 M2 BK BU YEGN L L K4 0 0 K4 L HEALTH N HEALTH L GENERATOR COLDPLASMA RD BU L YEGN BU BK M2 SWING UD1 OUTDOOR UNIT CAP JUMP AP1 PRINTED CIRCUIT BOARD ROOM RT2 RT1 TUBE SENSOR SENSOR ROOM...

Page 14: ...UFXLW RDUG 723 9 27720 9 8 1 8 1 8 1 1 2 3 4 5 6 7 1HXWUDOZLUH RI SRZHU FRUG XPSHU FDS QWHUIDFH RI YHUWLFDO VZLQJ QWHUIDFH RI KRUL RQWDO VZLQJ QWHUIDFH RI GLVSOD SDQHO QWHUIDFH RI SLSH WHPS VHQVRU QWHUIDFH RI DPELHQW WHPS VHQVRU ...

Page 15: ...e wire of power supply 4 Neutral wire terminal of cold plasma 5 Neutral wire terminal for air change 6 Live wire terminal for air change 7 Live wire terminal of cold plasma 8 Wiring terminal of PG motor 9 Feedback terminal of PG motor 10 Terminal 1 for vertical swing 11 Terminal 2 for vertical swing 12 Terminal for horizontal swing 13 7 pin wiring terminal of display 14 Terminal of jumper cap 15 6...

Page 16: ...le QUIET SWING CLOCK X FAN TEMP TURBO SLEEP LIGHT Press it to set fan speed Pressitto set QUIET function Press it to set auto off auto on timer Press it set clock Press it to turn on off the light 1 ON OFF Press this button to turn on the unit Press this button again to turn off the unit Press this button to decrease set temperature Holding it down above 2 seconds rapidly decreases set temperature...

Page 17: ...run at this setting temperature Sleep 2 is sleep mode 2 that is air conditioner will run according to the presetting a group of sleep temperature curve Sleep 3 the sleep curve setting under Sleep mode by DIY 1 Under Sleep 3 mode press Turbo button for a long time remote control enters into user individuation sleep setting status at this time the time of remote control will display 1hour the settin...

Page 18: ...te the auto off timer To cancel the auto timer program simply press the button again TIMER OFF setting is the same as TIMER ON Press this button to activate deactivate the Turbo function which enables the unit to reach the preset temperature in the shortest time In COOL mode the unit will blow strong cooling air at super high fan speed In HEAT mode the unit will blow strong heating air at super hi...

Page 19: ...t use old or different types of batteries If the remote controller will not be used for a long time please otherwise it may cause malfunction remove batteries to prevent batteries from leaking The operation should be performed in its receiving range It should be kept 1m away from the TV set or stereo sound sets If the remote controller does not operate normally please take the batteries out and re...

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Page 24: ... QVWDOODWLRQ 0DQXDO QVWDOODWLRQ UDZLQJ Space to the ceiling Space to the wall Space to the wall Air outlet side Space to the floor Above Above Above 15cm Above Above 15cm 15cm cm 250 300cm ...

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Page 43: ...me model End no no no no yes yes Malfunction is removed no yes yes no Is the wiring terminal between temperature sensor and the controller loosened or poorly contacted Is there short circuit due to tri pover of the pa rts Is the temperature sensor normal according to the Resistance Table Replace it with a temperature sensor of the same model RZ WR KHFN 6LPSO 7KH 0DLQ 3DUW 0DOIXQFWLRQ ...

Page 44: ...jumper cap The mainboard is defined abnormal replace it Yes No Yes End Is the malfunction eliminated Yes No No Yes Replace the jumper cap No Yes Is the malfunction eliminated Is the malfunction eliminated 3RVVLEOH FDXVHV 7KHUH LV QR MXPSHU FDS RQ WKH FRQWUROOHU XPSHU FDS LV QRW LQVHUWHG SURSHUO DQG WLJKWO XPSHU FDS LV GDPDJHG RQWUROOHU LV GDPDJHG 6HH WKH ÀRZ FKDUW EHORZ 0DOIXQFWLRQ ...

Page 45: ... 1 min after the louvers are opened whether the output voltage on the control terminal of the PG motor is over 50V No Yes No Is the malfunction eliminated No Is the malfunction eliminated No No No Yes Yes Yes Yes Is the control terminal of PG motor loose Is the malfunction eliminated Is the malfunction eliminated H6 is displayed on the unit 3RVVLEOH FDXVHV DQ PRWRU LV ORFNHG 7KH IHHGEDFN WHUPLQDO ...

Page 46: ...normal Replace the mainboard The unit returns to normal Conclusion U8 is displayed due to instant energization after de energization while the capacitor discharges slowly 3RVVLEOH FDXVHV 7KH FRQWUROOHU GLDJQRVHV LQFRUUHFWO GXH WR LQVWDQW HQHUJL DWLRQ DIWHU GH HQHUJL HG ZKLOH WKH FDSDFLWRU GLVFKDUJHV VORZO 0DOIXQFWLRQ RI WKH HUR FURVV GHWHFWLRQ FLUFXLW RI WKH PDLQERDUG 6HH WKH ÀRZ FKDUW EHORZ 8 0DO...

Page 47: ...n down indoor unit resume normal De energize the unit and check if the connecting wire of indoor and outdoor unit and wiring of electric box are correct Is wire connected correctly Connect wires according to the wiring diagram De energize the unit Change the communication cable of indoor units Energize the unit and wait for 3 min Yes No Replace mainboard of outdoor unit Replace the broken down mai...

Page 48: ... plate is correct Yes No Check if there is power input between neutral wire and live wire of outdoor unit No Yes End Is malfunction removed Yes No Does communication resume normal Is there power input Replace filter plate of outdoor unit Replace mainboard of outdoor unit Is wire connected correctly Replace mainboard of indoor unit Is connecting wire damaged Replace the connecting wire Connect wire...

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Page 50: ...52 77 2 752 116 0 856 0 65 37 39 11 06 78 2 663 117 0 833 1 62 13 40 10 62 79 2 577 118 0 811 2 59 08 41 10 2 80 2 495 119 0 77 3 56 19 42 9 803 81 2 415 120 0 769 4 53 46 43 9 42 82 2 339 121 0 746 5 50 87 44 9 054 83 2 265 122 0 729 6 48 42 45 8 705 84 2 194 123 0 71 7 46 11 46 8 37 85 2 125 124 0 692 8 43 92 47 8 051 86 2 059 125 0 674 9 41 84 48 7 745 87 1 996 126 0 658 10 39 87 49 7 453 88 1 ...

Page 51: ...9 489 106 2 792 10 274 29 41 34 68 9 165 107 2 715 9 259 3 30 39 61 69 8 854 108 2 64 8 245 6 31 37 96 70 8 555 109 2 568 7 232 6 32 36 38 71 8 268 110 2 498 6 220 5 33 34 88 72 7 991 111 2 431 5 209 34 33 45 73 7 726 112 2 365 4 198 3 35 32 09 74 7 47 113 2 302 3 199 1 36 30 79 75 7 224 114 2 241 2 178 5 37 29 54 76 6 998 115 2 182 1 169 5 38 28 36 77 6 761 116 2 124 0 161 39 27 23 78 6 542 117 2...

Page 52: ...tes after turning off all power supplies before disassembly FODVSV 3URFHGXUH 6WHSV HIRUH GLVDVVHPEO 5HPRYH OWHU IURQW SDQHO RRVHQ FODVSV RQ ILOWHU DQG SXVK WKH ILOWHU LQZDUGV 7KHQ OLIW LW XS WR UHPRYH LW RRVHQ FODVSV RQ ERWK VLGHV RI IURQW SDQHO DQG RSHQ IURQW SDQHO 7DNH 8 1 IRU H DPSOH ...

Page 53: ... ORXYHU 7KHQ GUDZ LW RXWZDUGV WR UHPRYH LW 5HPRYH VFUHZV IL LQJ GLVSOD RQ IURQW SDQHO 6OLGH URWDWLQJ VKDIW RI IURQW SDQHO DORQJ WKH JURRYH WR UHPRYH WKH IURQW SDQHO GLVSOD KRUL RQWDO ORXYHU URWDWLQJ VKDIW IURQW SDQHO VFUHZV FODVSV 5HPRYH IURQW FDVH 2SHQ VFUHZ FDSV DQG UHPRYH VFUHZV IL LQJ IURQW FDVH DQG VFUHZ RQ HOHFWULF ER FRYHU VFUHZV VFUHZ ...

Page 54: ...KH MRLQW RI HOHFWULF ER FRYHU DQG HOHFWULF ER 7KHQ UHPRYH HOHFWULF ER FRYHU 5HPRYH HOHFWULF ER FRYHU RRVHQ FODVSV RQ WKH UHDU RI IURQW FDVH LIW WKH IURQW FDVH XS WR UHPRYH LW 8QSOXJ VSOLFLQJ HDU RI PRWRU DQG VWHS PRWRU LQVLGH HOHFWULF ER IURQW FDVH HOHFWULF ER FRYHU HOHFWULF ER FRYHU ...

Page 55: ...ODPS DQG WKHQ UHPRYH WKH FRQQHFWLQJ SLSH FODPS 5HPRYH VFUHZ LQJ HOHFWULF ER 5HPRYH HOHFWULF ER VXEDVVHPEO 5HPRYH VFUHZV RQ WKH MRLQW RI HYDSRUDWRU DQG UHDU FDVH 6OLJKWO DGMXVW SLSH RI HYDSRUDWRU DQG WKHQ UHPRYH HYDSRUDWRU HYDSRUDWRU HOHFWULF ER VXEDVVHPEO VFUHZ VFUHZ FRQQHFWLQJ SLSH FODPS ...

Page 56: ...H DQG PRWRU 8QSOXJ KROGHU RI EHDULQJ ULQJ 5HPRYH PRWRU FODPS DQG VWHS PRWRU 5HPRYH VFUHZV RQ WKH MRLQW RI FURVV IORZ IDQ EODGH DQG PRWRU 5HPRYH PRWRU 5HPRYH VFUHZV IL LQJ PRWRU FODPS DQG VWHS PRWRU PRWRU KROGHU RI EHDULQJ ULQJ VFUHZ VFUHZV PRWRU FODPS VWHS PRWRU ...

Page 57: ... 5HPRYDO 3URFHGXUH 3URFHGXUH 6WHSV 5HPRYH YHUWLFDO ORXYHU RRVHQ FODVSV EHWZHHQ YHUWLFDO ORXYHU DQG UHDU FDVH 7KHQ UHPRYH YHUWLFDO ORXYHU YHUWLFDO ORXYHU ...

Page 58: ...the product specification and appearance in this manual without notice and without incurring any obligations Add West Jinji Rd Qianshan Zhuhai Guangdong China 519070 Tel 86 756 8522218 Fax 86 756 8669426 E mail gree gree com cn www gree com GREE ELECTRIC APPLIANCES INC OF ZHUHAI ...

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