Shinco Service Manual SERVICE MANUAL Inverter Split system Air Conditioner R410A Model: KFR-25GWZ/BM KFR-35GWZ/BM KFR-50GWZ/BM KFR-70GWZ/BM -1-
Shinco Service Manual Table of contents Part I 1. Introductions of Part Names and Functions 2. Outline Dimension of Indoor and Outdoor Units 3. Specification 4. Wiring Diagram 5. Refrigeration System Diagram 6. Refrigeration Piping Length and Height Difference Table Additional Refrigerant Charge Table 7. Sensor Resistance Table 8. Parts List and exploding view Part II 1 Service warning 2. Frequency table 3. Method of Testing the System at a Fixed Frequency 4. Running mode 5. Protection 6.
Shinco Service Manual Part I 1. Introductions of Part Names and Functions 1.
Shinco Service Manual 1.2 Indoor panel 1.
Shinco Service Manual 2. Outline Dimension of Indoor and Outdoor Units 2.1. Outdoor unit SIZE mm A B KFR-25GWZ/BM 542 762 KFR-35GWZ/BM 542 KFR-50GWZ/BM KFR-70GWZ/BM MODEL D E F G 58 257 285 321 540 762 58 257 285 321 540 656 865 52 307 339.
Shinco Service Manual 2.
Shinco Service Manual KFR-50GWZ/BM -7-
Shinco Service Manual KFR-70GWZ/BM -8-
Shinco Service Manual SIZE mm X MODEL Y Z L M N O KFR-25GWZ/BM 814 272 197 604 255 55 498 KFR-35GWZ/BM 814 272 197 604 255 55 498 KFR-50GWZ/BM 1013 323 198 648 295 57 502 KFR-70GWZ/BM 1138 323 212 1055 312 180 679 3.
Shinco Service Manual 4. Wiring Diagram 4.
Shinco Service Manual KFR-50GWZ/BM KFR-70GWZ/BM - 11 -
Shinco Service Manual 4.
Shinco Service Manual KFR-50GWZ/BM KFR-70GWZ/BM - 13 -
Shinco Service Manual 5.
Shinco Service Manual 6. Max. refrigerant piping length and max. height difference 6.1 Piping length and height difference MODEL REFRIGERANT PIPING:M KFR-25GWZ/BM KFR-35GWZ/BM KFR-50GWZ/BM KFR-70GWZ/BM PIPING SIZE O.D:mm Max. length Max. Height Gas difference Liquid 15 15 5 5 9.52 12.7 6.35 6.35 15 5 9.52 12.88 6.
Shinco Service Manual 7. Sensor Resistance Table 7.1 KFR-25GWZ/BM、KFR-35GWZ/BM Sensor Resistance Table 7.1.1 indoor air sensor、indoor pipe sensor、outdoor air sensor、outdoor pipe sensor R-T datasheet 10K±0.5% ；3976K±0.5%，B(25/85)=3976K±0.5% R-T datasheet Temp.(℃) R(KΩ) Temp.(℃) R(KΩ) Temp.(℃) R(KΩ) Temp.(℃) R(KΩ) -30 180.719 4 26.832 38 5.764 72 1.627 -29 169.891 5 25.522 39 5.534 73 1.573 -28 159.763 6 24.284 40 5.315 74 1.522 -27 150.289 7 23.113 41 5.105 75 1.
Shinco Service Manual 7.1.2 outdoor discharge pipe R(0)=187.25K±6.3% ;B(0/100)=3979K±1% Temp.(℃) -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 R(min) (KΩ) 488.35 461.94 437.15 413.89 392.05 371.54 352.27 334.16 317.13 301.11 286.03 271.83 258.46 245.86 233.98 222.78 212.20 202.22 192.79 183.88 175.45 167.33 159.64 152.37 145.49 138.97 132.80 126.95 121.40 116.13 111.13 106.38 101.87 97.585 93.
Shinco Service Manual 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 47.054 45.273 43.565 41.928 40.358 38.852 37.408 36.018 34.685 33.404 32.174 30.991 29.855 28.761 27.710 26.699 25.725 24.788 23.887 23.018 22.182 21.377 20.601 19.854 19.133 18.439 17.770 17.125 16.503 15.903 15.324 14.766 14.228 13.709 13.209 12.726 12.260 11.810 11.376 10.958 10.554 10.164 9.7880 9.4251 9.0749 8.7370 8.
Shinco Service Manual 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 6.4273 6.1825 5.9462 5.7184 5.4987 5.2867 5.0827 4.8853 4.6953 4.5121 4.3355 4.1653 4.0012 3.8431 3.6908 3.5440 3.4025 3.2663 3.1351 3.0087 2.8870 2.7699 2.6571 2.5485 2.4441 2.3435 2.2468 2.1537 2.0642 1.9781 1.8954 1.8158 1.7393 1.6657 1.5951 1.5272 1.4619 7.0878 6.8204 6.5623 6.3133 6.0731 5.8413 5.6177 5.4018 5.1939 4.9932 4.7997 4.6131 4.4331 4.
Shinco Service Manual -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 23.11 21.94 20.84 19.79 18.81 17.88 17.00 16.17 15.39 14.64 13.94 13.28 12.65 12.05 11.49 10.95 10.44 9.961 9.504 9.071 8.660 8.270 7.899 7.547 7.212 6.894 6.592 6.305 6.031 5.771 5.524 5.288 5.064 4.850 4.638 4.437 4.245 4.063 3.890 3.724 3.567 3.417 3.274 3.138 3.008 2.884 2.766 2.654 2.546 2.444 2.346 2.252 2.163 24.59 23.33 22.
Shinco Service Manual 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 2.077 1.996 1.918 1.843 1.772 1.704 1.639 1.577 1.517 1.460 1.405 1.353 1.303 1.255 1.209 1.164 1.122 1.082 1.043 1.006 0.9698 0.9355 0.9025 0.8709 0.8406 0.8115 0.7835 0.7567 0.7309 0.7061 0.6822 0.6593 0.6373 0.6161 0.5958 0.5762 0.5573 0.5392 0.5218 0.5050 0.4888 0.4732 0.4582 0.4438 0.4299 0.4165 0.4036 0.3911 0.3791 0.
Shinco Service Manual 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 0.3253 0.3156 0.3063 0.2973 0.2886 0.2802 0.2721 0.2643 0.2568 0.2495 0.2424 0.2356 0.2290 0.2227 0.2165 0.2106 0.2048 0.1993 0.1939 0.1887 0.1837 0.1788 0.1741 0.1695 0.1651 0.1608 0.1567 0.1527 0.1488 0.1450 0.1414 0.1379 0.1344 0.1311 0.1279 0.1248 0.1218 0.1188 0.1160 0.
Shinco Service Manual 151 152 153 154 155 156 157 158 159 160 0.0822 0.0805 0.0787 0.0771 0.0755 0.0739 0.0724 0.0709 0.0694 0.0680 0.0918 0.0899 0.0880 0.0862 0.0844 0.0827 0.0810 0.0794 0.0778 0.0762 0.1025 0.1003 0.0983 0.0963 0.0943 0.0924 0.0906 0.0888 0.0871 0.0854 -10.5% -10.5% -10.5% -10.6% -10.6% -10.6% -10.7% -10.7% -10.7% -10.8% 7.2.2 indoor pipe sensor R(0)=188.1K±4% ；B(0/50)3877K±3% Temp.
Shinco Service Manual 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 71.119 67.899 64.840 61.935 59.175 56.551 54.057 51.685 49.429 47.282 45.239 43.295 41.443 39.679 37.999 36.398 34.872 33.418 32.031 30.708 29.445 28.241 27.091 25.994 24.946 23.945 22.988 22.075 21.201 20.367 19.568 18.805 18.075 17.376 16.708 16.068 15.455 14.869 14.307 13.769 13.253 12.759 12.286 11.832 11.396 10.979 10.
Shinco Service Manual 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 8.1928 7.9040 7.6266 7.3600 7.1038 6.8575 6.6208 6.3932 6.1742 5.9637 5.7611 5.5662 5.3787 5.1981 5.0224 4.8571 4.6960 4.5409 4.3915 4.2475 4.1088 3.9752 3.8464 3.7222 3.6025 3.4871 3.3759 3.2685 3.1650 3.0651 2.9688 2.8758 2.7860 2.6994 2.6158 2.5350 2.4571 2.3818 2.3090 2.2388 2.1709 2.1053 2.0419 1.9807 1.9215 1.
Shinco Service Manual -40 -39 -38 -37 -36 -35 -34 -33 -32 -31 -30 -29 -28 -27 -26 -25 -24 -23 -22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 106.800 101.000 95.600 90.430 85.610 81.070 76.800 72.780 68.990 65.420 62.060 58.890 55.890 53.070 50.410 47.890 45.520 43.270 41.150 39.150 37.260 35.460 33.770 32.160 30.640 29.200 27.840 26.550 25.330 24.170 23.070 22.020 21.030 20.090 19.200 18.350 17.540 16.780 16.050 15.360 14.700 14.050 13.
Shinco Service Manual 14 15 16 7.9920 7.667 7.357 8.253 7.924 7.609 8.519 8.186 7.867 -3.16% -3.24% -3.31% 3.22% 3.31% 3.39% 17 7.061 7.309 7.563 -3.39% 3.48% 18 6.778 7.023 7.273 -3.49% 3.56% 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 6.509 6.252 6.006 5.772 5.548 5.334 5.130 4.934 4.747 4.568 4.397 4.233 4.077 3.927 3.783 3.645 3.513 3.387 3.266 3.150 3.038 2.932 2.829 2.731 2.636 2.
Shinco Service Manual 67 68 69 70 71 72 73 74 75 76 77 78 79 80 1.1980 1.1620 1.1270 1.0930 1.0600 1.0290 0.9985 0.9691 0.9407 0.9133 0.8868 0.8612 0.8364 0.8124 1.2840 1.2460 1.2090 1.1740 1.1390 1.1060 1.0740 1.0430 1.0130 0.9841 0.9561 0.9290 0.9028 0.8773 1.3760 1.3360 1.2970 1.2600 1.2240 1.1890 1.1550 1.1220 1.0910 1.0600 1.0300 1.0020 0.9741 0.9473 -6.70% -6.74% -6.78% -6.90% -6.94% -6.96% -7.03% -7.09% -7.14% -7.19% -7.25% -7.30% -7.35% -7.40% 7.17% 7.22% 7.28% 7.33% 7.46% 7.50% 7.54% 7.57% 7.
Shinco Service Manual 119 120 0.2838 0.2767 0.3129 0.3052 0.3448 0.3365 -9.30% -9.34% 7.2.4 outdoor discharge pipe R(0)=187.25K±6.3% ;B(0/100)=3979K±1% Temp.(℃) -20 -19 -18 -17 -16 -15 -14 -13 -12 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 R(min) (KΩ) 488.35 461.94 437.15 413.89 392.05 371.54 352.27 334.16 317.13 301.11 286.03 271.83 258.46 245.86 233.98 222.78 212.20 202.22 192.79 183.88 175.45 167.33 159.64 152.37 145.49 138.97 132.
Shinco Service Manual 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 52.880 50.853 48.913 47.054 45.273 43.565 41.928 40.358 38.852 37.408 36.018 34.685 33.404 32.174 30.991 29.855 28.761 27.710 26.699 25.725 24.788 23.887 23.018 22.182 21.377 20.601 19.854 19.133 18.439 17.770 17.125 16.503 15.903 15.324 14.766 14.228 13.709 13.209 12.726 12.260 11.810 11.376 10.958 10.554 10.164 9.7880 9.
Shinco Service Manual 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 7.2170 6.9443 6.6812 6.4273 6.1825 5.9462 5.7184 5.4987 5.2867 5.0827 4.8853 4.6953 4.5121 4.3355 4.1653 4.0012 3.8431 3.6908 3.5440 3.4025 3.2663 3.1351 3.0087 2.8870 2.7699 2.6571 2.5485 2.4441 2.3435 2.2468 2.1537 2.0642 1.9781 1.8954 1.8158 1.7393 1.6657 1.5951 1.5272 1.4619 7.9495 7.6520 7.3649 7.0878 6.8204 6.5623 6.3133 6.0731 5.8413 5.
Shinco Service Manual 8. Parts List and exploding view Exploding view and part list of KFR-25GWZ/BM Indoor unit No.
Shinco Service Manual 12 Indoor 1 eb35153 13 Air Sensor 1 eb11665 14 Pipe sensor 1 eb11666 15 Motor Cover 1 e19258 16 Indoor Motor 1 eb38560 17 Step Motor 1 eb60073 18 Copper Pipe Clip 1 e19256 19 Electric Controlling box Up Cover 1 e19296 20 Indoor Controlling Board 1 e50582 21 Electric Controlling box soleplate 1 e19295 22 Electric Controlling box 1 e18499 23 Remote Controller 1 eb85093 Quantity BOM code Outdoor unit No.
Shinco Service Manual 3 Axial Fan 1 eb38658 4 Motor Bracket 1 e30206 5 Outdoor Air Sensor 1 eb11667 6 Condenser 1 eQ00136 7 Top Cover 1 e14335/e14336 8 4-way valve winding 1 eb40103 9 4-way valve 1 eb40090 10 discharge sensor 1 eb11664 11 pipe sensor 1 eb11667 12 Capillary assembly 1 e20603 13 middle clipboard 1 e15607 14 outdoor motor 1 eb61530 15 compressor 1 eb15582 16 valve board 1 e14339/e14340 17 high pressure valve 1 eb40092 18 low pressur
Shinco Service Manual Exploding view and part list of KFR-35GWZ/BM Indoor unit No.
Shinco Service Manual 12 Indoor terminal block 1 eb35153 13 Air Sensor 1 eb11665 14 Pipe sensor 1 eb11666 15 Motor Cover 1 e19258 16 Indoor Motor 1 eb38560 17 Step Motor 1 eb60073 18 Copper Pipe Clip Electric Controlling box Up Cover 1 e19256 1 e19296 1 e52125 21 Indoor Controlling Board Electric Controlling box soleplate 1 e19295 22 Electric Controlling box 1 e18499 23 Remote Controller 1 eb85093 19 20 Outdoor unit - 36 -
Shinco Service Manual No.
Shinco Service Manual 8.3 Exploding view and part list of KFR-50GWZ/BM Indoor unit No.
Shinco Service Manual 10 Filter 1 e17989 11 Display board Assembly 1 e50543 12 Indoor terminal block 1 eb35153 13 Air Sensor 1 eb10007 14 Motor Cover 1 e17982 15 Indoor Motor 1 eb38668 16 Step Motor 1 eb38162 17 Flume 1 e19342 18 Copper Pipe Clip 1 e17987 19 Electric Controlling box 1 e30706 20 Electric Controlling box soleplate 1 e19343 21 Indoor Controlling Board 1 e50613 22 Electric Controlling box top Cover 1 e30707 23 Remote Controller 1 eb85093
Shinco Service Manual No.
Shinco Service Manual Exploding view and part list of KFR-70GWZ/BM Indoor unit No.
Shinco Service Manual 9 Remote Controller 1 eb85093 10 Display board Assembly 1 e50543 11 Air Sensor 1 eb10007 12 Indoor Controlling Board 1 e50610 13 Indoor power Board 1 e50609 14 Electric Controlling box top Cover 1 e19325 15 Electric Controlling box 1 e19324 16 Indoor terminal block 1 e35153 17 Indoor Motor 1 eb61535 18 Indoor Motor cover 1 e19339 19 Step Motor 1 eb38229 Outdoor unit - 42 -
Shinco Service Manual No.
Shinco Service Manual Part II 1. Service warning Part I General Warnings 1、The service person should wear safety belt if working more than 2.5m above the ground. 2、If working above ground level, measures should be adopted to prevent the outdoor unit or tools from falling and causing injuries or damage. 3、Check the customers power supply before testing the unit. 4、The power supply should be switched OFF when disassembling the casing and electrical components.
Shinco Service Manual 2.
Shinco Service Manual 4. Running mode 4.1. Defrosting 1. Entry condition: Defrosting starts when meeting one of the following conditions a. The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than 40 minutes, and the temperature remains consecutively -6°c for more than 3 minutes b. The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than 80 minutes, and the temperature remains consecutively -4°c for more than 3 minutes c.
Shinco Service Manual A-—E: rise the present frequency one class (for example, from F3 to F4) F: Frequency keep unchanged G：lower the present frequency on class( for example, from F4 to F3), and the maximum frequency is F3 in G area. H：The compressor stops. c. Frequency will change due to outdoor temperature, details see following fig. 4.3.2 Indoor heat exchanger anti-frozen When indoor air sensor temperature is less than 3℃, the frequency will lower down to protect indoor heat exchanger.
Shinco Service Manual When condenser temperature is higher than 60℃, the compressor will stop, and hen the condenser temperature lower to 50℃ and keep for 5 minutes, and compressor frequency will rise to former value 4.4. Dehumidifying mode 4．4．1 Temperature set and motor control in dehumidifying mode The compressor and outdoor fan run in dehumidifying mode similar as cooling mode, and the temperature can be set. The indoor motor speed need to be set in low speed. 4.4.
Shinco Service Manual b. Frequency control during operation The frequency will change according to the RT-ST, and details see following fig. A-—E: rise the present frequency one class (for example, from F3 to F4) F: Frequency keep unchanged G：Lower the present frequency on class (for example, from F4 to F3), and the maximum frequency is F3 in G area. H：The compressor stops. c. Frequency will change due to outdoor temperature, details see following fig.
Shinco Service Manual 4.5.2 Indoor heat exchanger anti-overheated When indoor exchanger temperature is higher than 50℃, the compressor frequency will be lowered down to protect the heat exchanger. When indoor exchanger temperature lower down to 46℃, the compressor frequency rise up, and when the indoor exchanger temperature lower to 44 ℃ and keep for 5 minutes, and compressor frequency will rise to former value.
Shinco Service Manual 4.9 Refrigerant charge mode Entry condition： Press the emergency switch over 5 seconds, there will be three “DU” sound in the indoor unit, and start the unit with the remote controller. Actions： 1. On cooling mode, the indoor fan speed is low the frequency is fixed on F6, 2. Cancel the mode： Turn off the air conditioner with remote controller 5. Protection 5.1 Compressor protection 5.1.
Shinco Service Manual KFR-25GWZ/BM MODE I1 I2 I3 COOLING AND DEHUMIDIFYING 7.1 8.3 10.3 HEATING 6.3 7.5 9.5 MODE I1 I2 I3 COOLIGN AND DEHUMIDIFYING 8.1 9.6 11.6 HEATING 10.5 12 14 MODE I1 I2 I3 COOLING AND DEHUMIDIFYING 8.5 10.5 12.5 HEATING 8.5 10.5 12.5 MODE I1 I2 I3 COOLIGN AND DEHUMIDIFYING 12 16 18 HEATING 14 19 21 KFR-35GWZ/BM KFR-50GWZ/BM KFR-70GWZ/BM 5.3 Low voltage protection The compressor frequency changes as following fig.
Shinco Service Manual 6、Display lamp 6.1 Indoor display 5 1 2 6 7 3 4 1 Dual-Digital lamp; 2 Timer Lamp; 3 Operation lamp; 4 Protection Lamp; 5 cooling mode; 6 dehumidify mode; 7 heating mode 。 6.
Shinco Service Manual 3 COMMUNICATION FAULT BETWEEN INDOOR UNIT AND OUTDOOR UNIT E4 9 10 COMPRESSOR DRIVER BOARD IS OURDOOR AIR SENSOR IS FAULTY OUTDOOR PIPE SENSOR IS FAULT INDOOR AIR SENSOR IS FAULTY INDOOR PIPE SENSOR IS FAULTY POWER BOARD IS FAULT POWER BOARD IS FAULT 11 DRIVER BOARD IS FAULT E5 12 OUDOOR COMMUNICATION FAULTY EC 4 5 6 7 8 EA E6 E1 CHANGE DRIVER BOARD 1、 CHECK THE SENDOR VALUE 2、 POWER BOARD IS FAULT CHANGE SENSOR CHANGE POWER BAORD。 3、 CHECK THE SENSOR VALUE 4、 INDOOR
Shinco Service Manual 13 INDOOR MOTOR IS FAULT E3 14 INDOOR PCB BAORD IS FAULTY EE 1 OUTDOOR DISCHARGE TEMP IS TOO HIGH P1 2 DRIVER BOARD PROTECTION P7 3 THE VOLTAGE IS NOT STABLE P3 4 ELECTRIC CURRENT IS TOO HIGH P2 5 6 7 OCR TRIPED INDOOR PIPE TEMP. IS TOO HIGH WHEN HEATING OUTDOOR PIPE TEMP.
Shinco Service Manual HIGH 8 DRIVER BOARD IS FAULT P0 - 56 - 2、CHECK IF THE VOLTAGE IS TOO LOW, POWER WRINGIS TOO THIN OR TOO LONG OR CONTACT BADLY 3、CHECK IF THE OUTLET IS BLOCKED OR THE CONDENSOR IS DIRTY DRIVER BOARD IS FAULT 2、UPDATING POWER SUPPLY, CHANG POWER WIRING 3、REMOVE OBSTACLE AROUND OUTDOOR UNIT OR WASH THE CONDENSER CHANGE DRIVER BAORD
Shinco Service Manual KFR-50GWZ/BM、KFR-70GWZ/BM Item 1 2 FAULT CODE E1 INDOOR AIR SENSOR IS FAULTY CHECK POINT COUNT MEASURE 1、CHECK THE SENSOR VALUE 2、INDOOR BOARD IS FAULT CHANGE SENDOR CHANGE INDOOR BOARD E2 INDOOR PIPE SENSOR IS FAULTY 3 INDOOR IN-PHASE MOTOR IS FAULT E3 4 COMMUNICATION FAULT BETWEEN INDOOR UNIT AND OUTDOOR UNIT E4 1、CHECK IF THE CONNECTING WIRING IS CONNECT WELL 1、FIX THE WIRING AGAIN。 2、TEST THE VOLTAGE VALUE BETWEEN L4 AND S, IF IT ‘S CHANGE REGULARLY，THE SINGAL TRAN
Shinco Service Manual 9 10 DRIVER BOARD IS FAULT OCR TRIPED P0 P1 DRIVER BOARD IS FAULT 1、COMPRESSOR OCR IS OPEN CURCUIT 2、 CHECK IF THE OCR TEMPERATURE IS TOO HIGH AND OCR TRIPED 11 12 13 POWER BOARD IS FAULT IPDU IS FAULT P2 P3 P4 OUTDOOR POWER BOARD IS FAULT ----------------------- DRIVER BOARD IS FAULT 1、CHANGE OCR OR COMPRESSOR 2、TURN OFF THE AIR CONDITIONER, AND RESTART IT 2 HOUR LATER 3、IF AIR CONDITIONER IS ON AND OFF REGULARLY, CHECK OUTDOOR MOTOR OR MOTOR CAPACITOR, THE OUTLET IS BLOCKED
Shinco Service Manual Annex PCB diagram KFR-25GWZ/BM、KFR-35GWZ/BM 1、 Indoor PCB - 59 -
Shinco Service Manual 2、 Outdoor power board - 60 -
Shinco Service Manual 3、 Outdoor diver board - 61 -
Shinco Service Manual 4、 Outdoor PFC board - 62 -
Shinco Service Manual KFR-50GWZ/BM 1、 Indoor PCB - 63 -
Shinco Service Manual 2、Outdoor power board - 64 -
Shinco Service Manual 3、outdoor driver board - 65 -
Shinco Service Manual KFR-70GWZ/BM 1、 Indoor power board - 66 -
Shinco Service Manual 2、Indoor driver board - 67 -
Shinco Service Manual 3、 outdoor power board - 68 -
Shinco Service Manual 4、outdoor driver board - 69 -
Shinco Service Manual Schematic KFR-25GWZ/BM、KFR-35GWZ/BM 1、 Indoor PCB - 70 -
Shinco Service Manual 2、 Outdoor power board - 71 -
Shinco Service Manual 3、Outdoor diver board - 72 -
Shinco Service Manual 4、Outdoor PFC board - 73 -
Shinco Service Manual KFR-50GWZ/BM 1、 Indoor PCB - 74 -
Shinco Service Manual 2、 outdoor power board - 75 -
Shinco Service Manual 3、 outdoor driver board - 76 -
Shinco Service Manual KFR-70GWZ/BM 1、 Indoor power board - 77 -
Shinco Service Manual 2、Indoor driver board - 78 -
Shinco Service Manual 3、 outdoor power board - 79 -
Shinco Service Manual 4、outdoor driver board - 80 -
Shinco Service Manual - 81 -
