Shinco KFR-25GWZ BM manual

S h i n c o S e r v i c e M a n u a l - 1 - SERVICE MANUAL Model: KFR-25GWZ/BM KFR-35GWZ/BM KFR-50GWZ/BM KFR-70GWZ/BM Inverter Split system Air Conditioner R410A[...]

S h i n c o S e r v i c e M a n u a l - 2 - T able of contents Part I 1. Introductions of Part Names and Functions 2. Outline Dimension of Indoor and Outdoor Units 3 . S p e c i f i c a t i o n 4. W iring Diagram 5. Refrigeration System Diagram 6. Refrigeration Piping Length and Height Dif ference T able Additional Refrigerant Char ge T able 7. Sen[...]

S h i n c o S e r v i c e M a n u a l - 3 - Part I 1. Intr oductions of Part Names and Functions 1.1 Remote controller[...]

S h i n c o S e r v i c e M a n u a l - 4 - 1.2 Indoor panel 1.3 Outdoor panel[...]

S h i n c o S e r v i c e M a n u a l - 5 - 2. Outline Dimension of Indoor and Outdoor Units 2.1. Outdoor unit SIZE mm MODEL A B C D E F G KFR-25GWZ/BM 542 762 58 257 285 321 540 KFR-35GWZ/BM 542 762 58 257 285 321 540 KFR-50GWZ/BM 656 865 52 307 339.5 372 633 KFR-70GWZ/BM 840 950 60 352 388 425 582[...]

S h i n c o S e r v i c e M a n u a l - 6 - 2.2 Indoor unit U n i t ： mm KFR-25GWZ/BM KFR-35GWZ/BM[...]

S h i n c o S e r v i c e M a n u a l - 7 - KFR-50GWZ/BM[...]

S h i n c o S e r v i c e M a n u a l - 8 - KFR-70GWZ/BM[...]

S h i n c o S e r v i c e M a n u a l - 9 - SIZE mm MODEL X 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 1 138 323 212 1055 312 180 679 3. Specification Product type KFR-25GWZ/BM KFR- 35GWZ/BM KFR-50GWZ/BM KFR- 70GWZ/BM Product N u m b e r Indoor be[...]

S h i n c o S e r v i c e M a n u a l - 10 - 4. Wiring Diagram 4.1 Indoor unit Wiring diagram KFR-25GWZ/BM KFR-35GWZ/BM[...]

S h i n c o S e r v i c e M a n u a l - 11 - KFR-50GWZ/BM KFR-70GWZ/BM[...]

S h i n c o S e r v i c e M a n u a l - 12 - 4.2 Outdoor unit Wiring diagram KFR-25GWZ/BM KFR-35GWZ/BM[...]

S h i n c o S e r v i c e M a n u a l - 13 - KFR-50GWZ/BM KFR-70GWZ/BM[...]

S h i n c o S e r v i c e M a n u a l - 14 - 5. Refrigerant system diagram[...]

S h i n c o S e r v i c e M a n u a l - 15 - 6. Max. r efrigerant piping length and max. height differ e nce 6.1 Piping length and height differ ence REFRIGERANT PIPING:M PIPING SIZE O.D:mm MODEL Max. length Max. Height difference Gas Liquid KFR-25GWZ/BM 15 5 9.52 6.35 KFR-35GWZ/BM KFR-50GWZ/BM 15 5 12.7 6.35 KFR-70GWZ/BM 15 5 9.52 12.88 6.2 Additi[...]

S h i n c o S e r v i c e M a n u a l - 16 - 7. Sensor Resistance T able 7.1 KFR-25GWZ/BM 、 KFR-35GWZ /BM Sensor Resistance T able 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(25/8 5)=3976K±0.5% R-T datasheet Temp.( ℃ ) R(K Ω ) Temp.( ℃ ) R(K Ω ) Temp.( [...]

S h i n c o S e r v i c e M a n u a l - 17 - 7.1.2 outdoor discharge pipe R(0)=187.25K±6.3% ;B(0/100)=3979K±1% R -T datasheet Temp.( ℃ ) R(min) (K Ω ) R(cent) (K Ω ) R(max) (K Ω ) Δ R(mi n) Δ R(max) -20 488.35 526.61 565.60 -7.3% 7.4% -19 461.94 497.84 534.41 -7.2% 7.3% -18 437.15 470.87 505.17 -7.2% 7.3% -17 413.89 445.57 477.76 -7.1% 7.2[...]

S h i n c o S e r v i c e M a n u a l - 18 - 31 47.054 50.876 54.791 -7.5% 7.7% 32 45.273 48.939 52.757 -7.5% 7.8% 33 43.565 47.140 50.806 -7.6% 7.8% 34 41.928 45.386 48.934 -7.6% 7.8% 35 40.358 43.703 47.137 -7.7% 7.9% 36 38.852 42.087 45.412 -7.7% 7.9% 37 37.408 40.536 43.755 -7.7% 7.9% 38 36.018 39.047 42.163 -7.8% 8.0% 39 34.685 37.616 40.632 -[...]

S h i n c o S e r v i c e M a n u a l - 19 - 84 6.4273 7.0878 7.7850 -9.3% 9.8% 85 6.1825 6.8204 7.4942 -9.4% 9.9% 86 5.9462 6.5623 7.2135 -9.4% 9.9% 87 5.7184 6.3133 6.9424 -9.4% 10.0% 88 5.4987 6.0731 6.6808 -9.5% 10.0% 89 5.2867 5.8413 6.4284 -9.5% 10.1% 90 5.0827 5.6177 6.1847 -9.5% 10.1% 91 4.8853 5.4018 5.9495 -9.6% 10.1% 92 4.6953 5.1939 5.7[...]

S h i n c o S e r v i c e M a n u a l - 20 - -8 23.11 24.59 26.15 -6.0% 6.3% -7 21.94 23.33 24.78 -5.9% 6.2% -6 20.84 22.13 23.48 -5.8% 6.1% -5 19.79 21.00 22.26 -5.7% 6.0% -4 18.81 19.94 21.11 -5.6% 5.9% -3 17.88 18.93 20.03 -5.5% 5.8% -2 17.00 17.98 19.00 -5.5% 5.7% -1 16.17 17.09 18.04 -5.4% 5.6% 0 15.39 16.24 17.13 -5.3% 5.5% 1 14.64 15.44 16.2[...]

S h i n c o S e r v i c e M a n u a l - 21 - 45 2.077 2.178 2.280 -4.6% 4.7% 46 1.996 2.094 2.194 -4.7% 4.8% 47 1.918 2.014 2.112 -4.7% 4.9% 48 1.843 1.937 2.033 -4.8% 5.0% 49 1.772 1.863 1.958 -4.9% 5.1% 50 1.704 1.793 1.885 -5.0% 5.1% 51 1.639 1.726 1.816 -5.0% 5.2% 52 1.577 1.662 1.749 -5.1% 5.3% 53 1.517 1.600 1.686 -5.2% 5.4% 54 1.460 1.541 1.[...]

S h i n c o S e r v i c e M a n u a l - 22 - 98 0.3253 0.3536 0.3840 -8.0% 8.6% 99 0.3156 0.3433 0.3730 -8.1% 8.7% 100 0.3063 0.3333 0.3624 -8.1% 8.7% 101 0.2973 0.3237 0.3522 -8.2% 8.8% 102 0.2886 0.3144 0.3423 -8.2% 8.9% 103 0.2802 0.3055 0.3327 -8.3% 8.9% 104 0.2721 0.2968 0.3235 -8.3% 9.0% 105 0.2643 0.2885 0.3146 -8.4% 9.0% 106 0.2568 0.2804 0[...]

S h i n c o S e r v i c e M a n u a l - 23 - 151 0.0822 0.0918 0.1025 -10.5% 11.6% 152 0.0805 0.0899 0.1003 -10.5% 11.6% 153 0.0787 0.0880 0.0983 -10.5% 11.7% 154 0.0771 0.0862 0.0963 -10.6% 11.7% 155 0.0755 0.0844 0.0943 -10.6% 11.8% 156 0.0739 0.0827 0.0924 -10.6% 11.8% 157 0.0724 0.0810 0.0906 -10.7% 11.9% 158 0.0709 0.0794 0.0888 -10.7% 11.9% 1[...]

S h i n c o S e r v i c e M a n u a l - 24 - 19 71.119 76.120 81.343 -6.6% 6.9% 20 67.899 72.772 77.870 -6.7% 7.0% 21 64.840 69.587 74.562 -6.8% 7.1% 22 61.935 66.558 71.412 -6.9% 7.3% 23 59.175 63.676 68.411 -7.1% 7.4% 24 56.551 60.934 65.550 -7.2% 7.6% 25 54.057 58.323 62.824 -7.3% 7.7% 26 51.685 55.836 60.225 -7.4% 7.9% 27 49.429 53.469 57.746 -[...]

S h i n c o S e r v i c e M a n u a l - 25 - 72 8.1928 9.3386 10.628 -12.3% 13.8% 73 7.9040 9.0189 10.275 -12.4% 13.9% 74 7.6266 8.7114 9.9346 -12.5% 14.0% 75 7.3600 8.4156 9.6072 -12.5% 14.2% 76 7.1038 8.1310 9.2920 -12.6% 14.3% 77 6.8575 7.8572 8.9883 -12.7% 14.4% 78 6.6208 7.5938 8.6958 -12.8% 14.5% 79 6.3932 7.3401 8.4139 -12.9% 14.6% 80 6.1742[...]

S h i n c o S e r v i c e M a n u a l - 26 - -40 106.800 113.500 120.50 0 -5.90% 6.17% -39 101.000 107.200 113.70 0 -5.78% 6.06% -38 95.600 101.300 107.400 -5.63% 6.02% -37 90.430 95.760 101.400 -5.57% 5.89% -36 85.610 90.550 95.740 -5.46% 5.73% -35 81.070 85.660 90.470 -5.36% 5.62% -34 76.800 81.060 85.510 -5.26% 5.49% -33 72.780 76.730 80.860 -5.[...]

S h i n c o S e r v i c e M a n u a l - 27 - 14 7.9920 8.253 8.519 -3.16% 3.22% 15 7.667 7.924 8.186 -3.24% 3.31% 16 7.357 7.609 7.867 -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 6.509 6.749 6.995 -3.56% 3.64% 20 6.252 6.487 6.729 -3.62% 3.73% 21 6.006 6.238 6.475 -3.72% 3.80% 22 5.772 5.999 6.232 -3.78% 3.88[...]

S h i n c o S e r v i c e M a n u a l - 28 - 67 1.1980 1.2840 1.3760 -6.70% 7.17% 68 1.1620 1.2460 1.3360 -6.74% 7.22% 69 1.1270 1.2090 1.2970 -6.78% 7.28% 70 1.0930 1.1740 1.2600 -6.90% 7.33% 71 1.0600 1.1390 1.2240 -6.94% 7.46% 72 1.0290 1.1060 1.1890 -6.96% 7.50% 73 0.9985 1.0740 1.1550 -7.03% 7.54% 74 0.9691 1.0430 1.1220 -7.09% 7.57% 75 0.9407[...]

S h i n c o S e r v i c e M a n u a l - 29 - 119 0.2838 0.3129 0.3448 -9.30% 10.19% 120 0.2767 0.3052 0.3365 -9.34% 10.26% 7.2.4 outdoor discharg e pipe R(0)=187.25K±6.3% ;B(0/100)=3979K± 1% R-T datasheet Temp.( ℃ ) R(min) (K Ω ) R(cent) (K Ω ) R(max) (K Ω ) Δ R(mi n) Δ R(max) -20 488.35 526.61 565.60 -7.3% 7.4% -19 461.94 497.84 534.41 -7[...]

S h i n c o S e r v i c e M a n u a l - 30 - 28 52.880 57.110 61.433 -7.4% 7.6% 29 50.853 54.942 59.124 -7.4% 7.6% 30 48.913 52.866 56.911 -7.5% 7.7% 31 47.054 50.876 54.791 -7.5% 7.7% 32 45.273 48.939 52.757 -7.5% 7.8% 33 43.565 47.140 50.806 -7.6% 7.8% 34 41.928 45.386 48.934 -7.6% 7.8% 35 40.358 43.703 47.137 -7.7% 7.9% 36 38.852 42.087 45.412 -[...]

S h i n c o S e r v i c e M a n u a l - 31 - 81 7.2170 7.9495 8.7215 -9.2% 9.7% 82 6.9443 7.6520 8.3983 -9.2% 9.8% 83 6.6812 7.3649 8.0883 -9.3% 9.8% 84 6.4273 7.0878 7.7850 -9.3% 9.8% 85 6.1825 6.8204 7.4942 -9.4% 9.9% 86 5.9462 6.5623 7.2135 -9.4% 9.9% 87 5.7184 6.3133 6.9424 -9.4% 10.0% 88 5.4987 6.0731 6.6808 -9.5% 10.0% 89 5.2867 5.8413 6.4284[...]

S h i n c o S e r v i c e M a n u a l - 32 - 8. Parts List and exploding view Exploding view and part list of KFR-25GWZ /BM Indoor unit No. Part Name Quantity BOM code 1 Wall Mount ed Board 1 e18503 2 Chassis A ssembly 1 e535123 3 Cross Fan 1 e19294 4 Left Axial Co ver 1 e19257 5 Evaporator Pipe 1 e20747 6 Evaporator 1 eQ0013 8 7 Frame Assembly 1 e[...]

S h i n c o S e r v i c e M a n u a l - 33 - 12 Indoor 1 eb3515 3 13 Air Sensor 1 eb1166 5 14 Pipe sensor 1 eb11666 15 Motor Cover 1 e1 9258 16 Indoor Mot or 1 eb38560 17 Step Motor 1 eb60073 18 Copper Pip e Clip 1 e1 9256 19 Electric Controlling box Up Cover 1 e1929 6 20 Indoor Contro lling Board 1 e50582 21 Electric Controlling box soleplate 1 e [...]

S h i n c o S e r v i c e M a n u a l - 34 - 3 Axial Fan 1 eb38658 4 Motor Brac ket 1 e30206 5 Outdo or Air Sensor 1 eb11667 6 Condenser 1 eQ00136 7 Top Cover 1 e14335/e 14336 8 4-way valve win ding 1 eb40103 9 4-way valve 1 eb40090 10 dis charge sensor 1 eb11664 11 pipe sensor 1 eb 11667 12 Capillary assem bly 1 e20603 13 middle cli pboard 1 e1560[...]

S h i n c o S e r v i c e M a n u a l - 35 - Exploding view and part list of KFR-35GWZ /BM Indoor unit No. Part Name Quantity BOM code 1 Wall Mounted Board 1 e18503 2 Chassis Assembly 1 e535123 3 Cross Fan 1 e19294 4 Left Axial Cover 1 e19257 5 Evaporator Pipe 1 e20748 6 Evaporator 1 eQ00138 7 Frame Assembly 1 e19297 8 Frame 1 7 include 8 9 PVC 1 e[...]

S h i n c o S e r v i c e M a n u a l - 36 - 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 1 e19256 19 Electric Controlling box Up Cover 1 e19296 20 Indoor Controlling Board 1 e52125 21 Electric Controlling box solepla[...]

S h i n c o S e r v i c e M a n u a l - 37 - No. Part Name Quantity BOM code 1 Chassis A ssembly 1 e3064 0/e30641 2 Front Frame Assembly 1 e14598/e1 4599 3 Axial Fan 1 eb38658 4 Motor Brac ket 1 e30308 5 Outdo or Air Sensor 1 eb11667 6 Condenser 1 eQ00137 7 Top Cover 1 e14335/e 14336 8 4-way valve win ding 1 eb40103 9 4-way valve 1 eb40094 10 dis c[...]

S h i n c o S e r v i c e M a n u a l - 38 - 8.3 Exploding view and pa rt list of KFR-50GWZ /BM Indoor unit No. Part N ame Quantity BOM code 1 Wall Mounte d Board 1 e17978 2 Chassis Ass embly 1 e19341 3 Cross Fan 1 eb38669 4 Left Axial Cover 1 e17980 5 Evaporator Pipe 1 e20509 6 Evaporator 1 eQ00139 7 Frame Assem bly 1 e19340 8 Frame 1 7 include 8 [...]

S h i n c o S e r v i c e M a n u a l - 39 - 10 Filter 1 e17989 11 Display board Assembly 1 e50543 12 Indoor termin al 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 C lip 1 e17987 19 Electric Cont rolling box 1 e30706 20 Electric Controlling box sol[...]

S h i n c o S e r v i c e M a n u a l - 40 - No. Part N ame Quantity BOM code 1 C hassis Assembly 1 e30708/e30709 2 Front Fra me Assembly 1 e30741/e3 0742 3 Axial Fan 1 eb38670 5 Motor Brac ket 1 e30684 6 Outdoor Air Se nsor 1 eb100 11 7 Condenser 1 eQ00140 8 Top Cover 1 e30680 /e30681 9 4-way valv e winding 1 eb40103 10 4-way valv e 1 eb40094 11 d[...]

S h i n c o S e r v i c e M a n u a l - 41 - Exploding view and part list of KFR-70GWZ /BM Indoor unit No. Part Name Quantity BOM code 1 Wall Mount ed Board 1 e18416 2 Air outlet vent assembly 1 e53512 6 3 Chassis As sembly 1 e19326 4 Cross Fa n 1 eb38667 5 ind oor connect pip e 1/2 1 e20442/e1 8771 6 Evaporator 1 eQ00141 7 Part Name 1 e19328 8 PVC[...]

S h i n c o S e r v i c e M a n u a l - 42 - 9 Remote Controller 1 eb8 5093 10 Display bo ard Assembl y 1 e50543 11 Ai r Sensor 1 eb10007 12 Indoor Controll ing Board 1 e50610 13 Indoor power Board 1 e50609 14 Electric Controlling box top Cover 1 e19325 15 Electric Con trolling box 1 e1932 4 16 Indoor terminal block 1 e35153 17 Indoor Motor 1 eb615[...]

S h i n c o S e r v i c e M a n u a l - 43 - No. Part Name Quantity BOM code 1 Chass is Assembly 1 e30478/e3 0479 2 Fro nt Frame Assemb ly 1 e30693/e30694 3 Axial Fa n 1 eb38666 4 Outdoor motor 1 eb61532 5 Motor Bracket 1 e30512 6 middle cli pboard 1 e19166 7 outdo or air sensor 1 eb1 0011 8 Condense r 1 eQ00142 9 Top Cove r 1 e15838 /e15839 10 out[...]

S h i n c o S e r v i c e M a n u a l - 44 - Part II 1. Service warning Part I General W arnings 1 、 The service person should wear safety belt if working more than 2.5m above the ground. 2 、 If working above ground level, m easures should be adopted to prevent the outdoor unit or tools from falling and causing injuries or damage. 3 、 Check t[...]

S h i n c o S e r v i c e M a n u a l - 45 - 2. Frequency table F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 KFR-25GWZ/BM COOLING 0 30 35 40 45 52 55 58 66 69 73 KFR-25GWZ/BM HEATING 0 30 35 40 45 52 55 59 66 69 73 KFR-35GWZ/BM COOLING 0 30 36 42 48 54 61 66 72 78 84 KFR-35GWZ/BM HEATING 0 30 36 42 48 54 61 66 72 78 84 KFR-50GWZ/BM COOLING 0 30 36 43 49 56 64[...]

S h i n c o S e r v i c e M a n u a l - 46 - 4. Running mode 4.1. Defrosting 1. Entry condition: Defrosting starts when m eeting one of the following c onditions a. The temperature of out door heat exchanger re mains cons ecutively lower than 3°c for m ore than 40 minutes, and the temperature remains consec utively -6°c for more than 3 minutes b.[...]

S h i n c o S e r v i c e M a n u a l - 47 - 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 chan ge due to outdoor tempera ture, detai[...]

S h i n c o S e r v i c e M a n u a l - 48 - When condense r temperatur e is higher than 60 ℃, the comp ressor will stop, and hen t he condenser temperatur e lower to 50℃ and keep for 5 minutes, and compr essor frequency will rise to former valu e 4.4. Dehumidifying mode 4．4．1 Temperature set and motor control in dehumidifying mode The comp[...]

S h i n c o S e r v i c e M a n u a l - 49 - b. Frequency control d uring operation The frequency will change according to the RT-ST, and details s ee 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 m[...]

S h i n c o S e r v i c e M a n u a l - 50 - 4.5.2 Indoor heat exch anger anti-overheated When indoor exchanger temperature is higher than 50 ℃, the compressor frequency will be lowered down to protect t he h eat exchanger . Wh en indoor exchanger tempera ture lower down to 46 ℃, the compressor frequency ri se up, and whe n the indoor exchanger[...]

S h i n c o S e r v i c e M a n u a l - 51 - 4.9 Refrigerant charge mode Entry condition ： Press the emergenc y 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, th e indoor fan speed is low the frequency is fixed on F6, 2. Cancel the mode ?[...]

S h i n c o S e r v i c e M a n u a l - 52 - KFR-25GWZ/BM MODE I1 I2 I3 COOLING A ND DEHUMIDIFYING 7.1 8.3 10.3 HEATING 6.3 7.5 9.5 KFR-35GWZ/BM MODE I1 I2 I3 COOLIGN A ND DEHUMIDIFYING 8.1 9.6 11.6 HEATING 10.5 12 14 KFR-50GWZ/BM MODE I1 I2 I3 COOLING A ND DEHUMIDIFYING 8.5 10.5 12.5 HEATING 8.5 10.5 12.5 KFR-70GWZ/BM MODE I1 I2 I3 COOLIGN AN D DE[...]

S h i n c o S e r v i c e M a n u a l - 53 - 6、Display lamp 6.1 Indoor display 5 6 7 1 2 3 4 1 Dual-Digital lamp; 2 Timer Lamp; 3 Operation lamp; 4 Protection Lamp; 5 cooling mode; 6 dehumidify mode; 7 heating mode 。 6.2 Fault code display KFR-25GWZ/BM、KFR- 35GWZ/BM Item FAULT CODE CHECK POIN T COUNT MEAS URE 1 INDOOR UNIT DON ’ T MATCH OUT[...]

S h i n c o S e r v i c e M a n u a l - 54 - 3 COMMUNICA TION FAULT BETWEEN I NDOOR UNIT AND OUTDOOR UN IT E4 1．CHECK IF THE CONNECTING WIRING IS CONNECT WELL 2．TEST THE VOLTAGE VALUE BETWE EN L4 AND S, IF IT ‘ S CHANGE REGUL ARLY，THE SINGAL TRANSFERI NG BE TWEEN INDOOR AND OUTDOOR UNIT IS GOOD， WHEN IT‘ S NO CHANGE IF VALUE IS BELOW 14[...]

S h i n c o S e r v i c e M a n u a l - 55 - 13 INDOOR MOT OR IS FAULT E3 1、INDOOR MOTOR OR INDOOR MOTOR CAPACITOR IS FAULT 2、INNER WIRING DON ’ T CONNECT WEL L 3、INDOOR PCB IS FAULT 4、INDOOR MOTOR IS BLOCKE D 1、CHANGE MOTOR OR CAPACI TOR 2、FIX TH E WIRINGS 3、CHANGE INDOOR PCB 4、REMOVE THE BLOCKING 14 INDOOR PCB BAORD IS FAULTY EE[...]

S h i n c o S e r v i c e M a n u a l - 56 - HIGH 2、CHECK IF THE VOLTAGE I S TOO LOW, POWER WRINGIS T OO THIN OR TOO L ONG OR CONTACT BADLY 3、CHECK IF THE OUTLET IS BLOCKED OR THE CONDENSOR IS DIRTY 2、 UPDATING POWER SUPPLY, CHANG POWER WIRING 3、REMOVE OBSTACLE AROUND OUTDOOR UNIT OR WASH THE C ONDENSER 8 DRIVER BOARD IS F AULT P0 DRIVER BO[...]

S h i n c o S e r v i c e M a n u a l - 57 - KFR-50GWZ/BM、KFR- 70GWZ/BM Item FAULT CODE CHECK POIN T COUNT MEASURE 1 INDOOR AIR SENSOR IS FAULTY E1 2 INDOO R PIPE SENSOR I S FAULTY E2 1、CHECK THE SENSOR VALUE 2、INDOOR BOARD IS FAULT CHANGE SEN DOR CHANGE IND OOR BOARD 3 INDOO R IN-PHASE MOTO R IS FAULT E3 ---------------- ------- ------------[...]

S h i n c o S e r v i c e M a n u a l - 58 - Note: The fault code doesn ’ t display directly, and it will display as following instruction: Press the ON/OFF button 6 times within 7 seconds, there will be three DU sound on indoor unit, and the indoor unit will displa y the fault code. 9 DRIVE R BOARD IS FAUL T P0 DRIVE R BOARD IS FAULT DRIVER BO A[...]

S h i n c o S e r v i c e M a n u a l - 59 - Annex PCB diagram KFR-25GWZ/BM 、 KFR-35GWZ/BM 1 、 Indoor PCB[...]

S h i n c o S e r v i c e M a n u a l - 60 - 2 、 Outdoor power board[...]

S h i n c o S e r v i c e M a n u a l - 61 - 3 、 Outdoor diver board[...]

S h i n c o S e r v i c e M a n u a l - 62 - 4 、 Outdoor PFC board[...]

S h i n c o S e r v i c e M a n u a l - 63 - KFR-50GWZ/BM 1 、 Indoor PCB[...]

S h i n c o S e r v i c e M a n u a l - 64 - 2 、 Outdoor power board[...]

S h i n c o S e r v i c e M a n u a l - 65 - 3 、 outdoor driver board[...]

S h i n c o S e r v i c e M a n u a l - 66 - KFR-70GWZ/BM 1 、 Indoor power board[...]

S h i n c o S e r v i c e M a n u a l - 67 - 2 、 Indoor d river board[...]

S h i n c o S e r v i c e M a n u a l - 68 - 3 、 outdoor power board[...]

S h i n c o S e r v i c e M a n u a l - 69 - 4 、 outdoor driver board[...]

S h i n c o S e r v i c e M a n u a l - 70 - Schematic KFR-25GWZ/BM 、 KFR-35GWZ/BM 1 、 Indoor PCB[...]

S h i n c o S e r v i c e M a n u a l - 71 - 2 、 Outdoor power board[...]

S h i n c o S e r v i c e M a n u a l - 72 - 3 、 Outdoor diver board[...]

S h i n c o S e r v i c e M a n u a l - 73 - 4 、 Outdoor PFC board[...]

S h i n c o S e r v i c e M a n u a l - 74 - KFR-50GWZ/BM 1 、 Indoor PCB[...]

S h i n c o S e r v i c e M a n u a l - 75 - 2 、 outdoor power board[...]

S h i n c o S e r v i c e M a n u a l - 76 - 3 、 outdoor driver board[...]

S h i n c o S e r v i c e M a n u a l - 77 - KFR-70GWZ/BM 1 、 Indoor power board[...]

S h i n c o S e r v i c e M a n u a l - 78 - 2 、 Indoor d river board[...]

S h i n c o S e r v i c e M a n u a l - 79 - 3 、 outdoor power board[...]

S h i n c o S e r v i c e M a n u a l - 80 - 4 、 outdoor driver board[...]

S h i n c o S e r v i c e M a n u a l - 81 -[...]