Klimaire KWIM09-H2 Service Manual Download Page 46

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7.4.2.6 E6(PFC module protection) error diagnosis and solution. (Only for

KSIM40912-H216 - 2G

)

Error Code

Malfunction decision
conditions

When the voltage signal that PFC sends to main control board
is abnormal, the display LED will show “E6” and AC will turn
off.

Supposed causes

●

Wiring mistake

●

Outdoor PCB faulty

●

Inductance of PFC module faulty

●

PFC module malfunction

Trouble shooting:

Summary of Contents for KWIM09-H2

Page 1: ...n familiar with safety procedures and equipped with the proper tools and test instruments Installation or repairs made by unqualified persons can result in hazards to you and others Failure to careful...

Page 2: ...8 5 Electronic Function 8 5 1 Abbreviation 8 5 2Main Protection 8 5 3 Operation Modes and Functions 8 6 Wiring Diagrams 13 7 Troubleshooting 14 7 1 Display Function 14 7 2Indoor Unit Error Display 15...

Page 3: ...box securely Always install a dedicated circuit and breaker Improper wiring or installation may cause fore or electric shock Use the correctly rated breaker of fuse Do not modify or extend the power...

Page 4: ...inlet grill of the product during operation Do not touch the electrostatic filter if the unit is so equipped When the product is soaked flooded or submerged discontinue use immediately disconnect the...

Page 5: ...r put anything on the product outdoor units There is risk of personal injury and failure of product Always insert the filter securely Clean the filter every two weeks or more often if necessary A dirt...

Page 6: ...e liquid from the batteries gets onto your skin or clothes wash it well with clean water Do not use the remote of the batteries have leaked The chemical in batteries could cause burns or other health...

Page 7: ...6 2 Product Description And Label...

Page 8: ...65 6 5 270 10 63 12K 845 33 27 165 6 5 286 11 26 18K 995 39 17 194 7 64 295 11 61 Dimension W D H L R H Model R L H Dimension of installation hole KWIM09 H2 186mm 7 32in 150mm 5 91in 45mm 1 77in 65mm...

Page 9: ...nt temperature T5 Discharge temperature Ts Setting temp 5 2Main Protection 5 2 1 Three Minutes Delay at restart for compressor 5 2 2 Fan Speed is out of control When Indoor Fan Speed keeps too low or...

Page 10: ...T2 4 the indoor has no capacity demand and resume till T2 8 5 3 3 Heating Mode 5 3 3 1 Indoor fan running rules Indoor fan speed can be set as high medium low and auto fan and the anti cold wind func...

Page 11: ...echoose running function 5 3 5 Dehumidifier mode 5 3 5 1 Indoor fan speed is fixed at breeze and can t be changed The louver angle is the same as in cooling mode 5 3 5 2 Overlow room temperature prote...

Page 12: ...ff automatically when reaching the setting off time 5 3 7 5 Timer off on The machine will turn off automatically when reaching the setting off time and then turn on automatically when reaching the set...

Page 13: ...atically after 3 minutes when power returns If the memorization condition is forced cooling mode the unit will run in cooling mode for 30 minutes and turn to auto mode as 24 setting temp 5 3 10 Ionize...

Page 14: ...13 6 Wiring Diagrams KWIM09 H2 KWIM12 H2 KWIM18 H2...

Page 15: ...heating operation DIGITAL DISPLAY Displayed the current setting temperature or malfunction code when the air conditioner is in operation When SELF CLEAN feature is activated it displays SC FAN SPEED d...

Page 16: ...er strong current protection P1 Voltage protection P2 Temperature protection of compressor top P3 Outdoor temperature is lower than 15 C optional function P4 Inverter compressor drive protection P5 Mo...

Page 17: ...control Only for DC fan motor models F1 No A Indoor unit coil outlet temp sensor or connector of sensor is defective F2 No B Indoor unit coil outlet temp sensor or connector of sensor is defective F3...

Page 18: ...ctor of sensor is defective E4 Open or short circuit of outdoor temperature sensor T4 E5 E6 E5 Voltage protection P1 P0 E7 Communication malfunction between IPM board and outdoor main board P0 Tempera...

Page 19: ...n Error Code E0 Malfunction decision conditions PCB main chip does not receive feedback from EEPROM chip Supposed causes Installation mistake PCB faulty Trouble shooting EEPROM a read only memory whos...

Page 20: ...or and outdoor units error diagnosis and solution Error Code E1 Malfunction decision conditions Indoor unit does not receive the feedback from outdoor unit during 120 seconds Supposed causes Wiring mi...

Page 21: ...20...

Page 22: ...of outdoor unit The red pin of multimeter connects with L2 port while the black pin is for S port When AC is normal running the voltage will move alternately between positive value and negative value...

Page 23: ...are connected for KSIM20912 H216 2G KSIM30912 H216 1G KSIM330 H219 KSIM40912 H216 2G Check point button press 18 times for check how many indoor units are connected for KSIM20912 H216 1G KSIM30912 H21...

Page 24: ...is and solution Error Code E2 Malfunction decision conditions When PCB does not receive zero crossing signal feedback for 4 minutes or the zero crossing signal time interval is abnormal Supposed cause...

Page 25: ...nd solution Error Code E3 Malfunction decision conditions When indoor fan speed keeps too low 300RPM for certain time the unit will stop and the LED will display the failure Supposed causes Wiring mis...

Page 26: ...unit running in fan mode at high fan speed After running for 15 seconds measure the voltage of pin1 and pin2 If the value of the voltage is less than 100V 208 240V power supply or 50V 115V power supp...

Page 27: ...or short circuit of room or indoor temperature sensor diagnosis and solution Error Code E5 E6 Malfunction decision conditions If the sampling voltage is lower than 0 06V or higher than 4 94V the LED w...

Page 28: ...ode P6 Malfunction decision conditions When the voltage signal that IPM send to compressor drive chip is abnormal the display LED will show P6 and AC will turn off Supposed causes Wiring mistake IPM m...

Page 29: ...28...

Page 30: ...29 7 4 1 7 P1 over voltage or too low voltage protection diagnosis and solution...

Page 31: ...cision conditions If the sampling voltage is not 5V the LED will display the failure Supposed causes Wiring mistake Over load protector faulty System block Outdoor PCB faulty 7 4 1 9 P4 Inverter compr...

Page 32: ...de or fan mode and indoor unit B is set to heating mode then A will change to off and B will work in heating mode Suppose Indoor unit A working in heating mode and indoor unit B is set to cooling mode...

Page 33: ...nosis and solution Error Code E0 Malfunction decision conditions PCB main chip does not receive feedback from EEPROM chip Supposed causes Installation mistake PCB faulty Trouble shooting EEPROM a read...

Page 34: ...tion Error Code E2 Malfunction decision conditions Indoor unit does not receive the feedback from outdoor unit during 120 seconds or outdoor unit does not receive the feedback from any one indoor unit...

Page 35: ...34...

Page 36: ...rt and S port of outdoor unit The red pin of multimeter connects with L2 port while the black pin is for S port When AC is normal running the voltage will move alternately between positive value and n...

Page 37: ...36 PIC 4 Check point button press 1 time for check how many indoor units are connected Self Check Power Operating PIC3 Main board LED when power on and unit standby Pic 2 IPM For qua zone...

Page 38: ...between IPM board and outdoor main board error diagnosis and Error Code E3 Malfunction decision conditions PCB main chip does not receive feedback from IPM module during 60 seconds Supposed causes Wir...

Page 39: ...o test the DC voltage between black pin and white pin of signal wire The normal value should be around 5V Use a multimeter to test the DC voltage between black pin and red pin of signal wire The norma...

Page 40: ...or short circuit of indoor coil temperature sensor diagnosis and solution Error Code E4 F1 F2 F3 F4 F5 Malfunction decision conditions If the sampling voltage is lower than 0 06V or higher than 4 94V...

Page 41: ...s and solution Error Code E5 Malfunction decision conditions An abnormal voltage rise or drop is detected by checking the specified voltage detection circuit Supposed causes Power supply problems Syst...

Page 42: ...41 IPM for dual tri zone IPM for qua zone P N for dual tri zone...

Page 43: ...42 P N for qua zone...

Page 44: ...43 bridge rectifier for dual tri zone bridge rectifier for qua zone...

Page 45: ...44 Remark Measure the DC voltage between and port The normal value should be 190V 250V...

Page 46: ...Error Code E6 Malfunction decision conditions When the voltage signal that PFC sends to main control board is abnormal the display LED will show E6 and AC will turn off Supposed causes Wiring mistake...

Page 47: ...46 Two ports of the inductance Inductance...

Page 48: ...47...

Page 49: ...an motor models Error Code E8 Malfunction decision conditions When outdoor fan speed keeps too low 300RPM or too high 2400RPM for certain time the unit will stop and the LED will display the failure S...

Page 50: ...pin3 pin4 pin3 in fan motor connector If the value of the voltage is not in the range showing in below table the PCB must have problems and need to be replaced DC motor voltage input and output NO Co...

Page 51: ...50 Vsp FG...

Page 52: ...nosis and solution Only for KSIM30912 H216 1G Error Code P0 Malfunction decision conditions If the sampling voltage is not 5V the LED will display the failure Supposed causes Wiring mistake Over load...

Page 53: ...52...

Page 54: ...d solution Only for KSIM40912 H216 2G Error Code P1 Malfunction decision conditions If the sampling voltage is not 5V the LED will display the failure Supposed causes Wiring mistake Over load protecto...

Page 55: ...54...

Page 56: ...55...

Page 57: ...d solution Only for KSIM40912 H216 2G Error Code P2 Malfunction decision conditions If the sampling voltage is not 5V the LED will display the failure Supposed causes Wiring mistake Over load protecto...

Page 58: ...57...

Page 59: ...58...

Page 60: ...osis and solution Error Code P3 Malfunction decision conditions If the outdoor current exceeds the current limit value the LED will display the failure Supposed causes Wiring mistake Over load protect...

Page 61: ...60...

Page 62: ...P4 Malfunction decision conditions When the compressor discharge temperature T5 is more than 115 for 10 seconds the compressor will stop and restart till T5 is less than 90 Supposed causes Refrigeran...

Page 63: ...rror Code P5 Malfunction decision conditions When outdoor pipe temperature is more than 65 C the unit will stop and unit runs again when outdoor pipe temperature is less than 52 C Supposed causes The...

Page 64: ...unction decision conditions When the voltage signal that IPM send to compressor drive chip is abnormal the display LED will show P6 and AC will turn off Supposed causes Wiring mistake IPM malfunction...

Page 65: ...64...

Page 66: ...on Error Code E0 Malfunction decision conditions PCB main chip does not receive feedback from EEPROM chip Supposed causes Installation mistake PCB faulty Trouble shooting EEPROM a read only memory who...

Page 67: ...n or short circuit of indoor coil temperature sensor diagnosis and solution Error Code E1 E2 E3 E4 E6 Malfunction decision conditions If the sampling voltage is lower than 0 06V or higher than 4 94V t...

Page 68: ...shooting Voltage protection Check the voltage of outdoor unit power supply whether the voltage between L L1 and N L2 is about 187 253VAC Check the power supply Check whether the voltage of IPM board P...

Page 69: ...68 IPM for dual tri zone IPM for qua zone bridge rectifier P N...

Page 70: ...69 Remark Measure the DC voltage between and port The normal value should be 190V 250V...

Page 71: ...between IPM board and outdoor main board error diagnosis and Error Code E7 Malfunction decision conditions PCB main chip does not receive feedback from IPM module during 60 seconds Supposed causes Wir...

Page 72: ...o test the DC voltage between black pin and white pin of signal wire The normal value should be around 5V Use a multimeter to test the DC voltage between black pin and red pin of signal wire The norma...

Page 73: ...P0 Malfunction decision conditions When the compressor discharge temperature T5 is more than 115 for 10 seconds the compressor will stop and restart till T5 is less than 90 Supposed causes Refrigeran...

Page 74: ...solution Only for KSIM20912 H216 1G KSIM30912 H216 1G Error Code P0 Malfunction decision conditions If the sampling voltage is not 5V the LED will display the failure Supposed causes Wiring mistake O...

Page 75: ...74...

Page 76: ...d solution Only for KSIM40912 H216 1G Error Code P1 Malfunction decision conditions If the sampling voltage is not 5V the LED will display the failure Supposed causes Wiring mistake Over load protecto...

Page 77: ...76...

Page 78: ...77...

Page 79: ...solution Only for KSIM40912 H216 1G Error Code P2 Malfunction decision conditions If the sampling voltage is not 5V the LED will display the failure Supposed causes Wiring mistake Over load protector...

Page 80: ...79...

Page 81: ...80...

Page 82: ...osis and solution Error Code P3 Malfunction decision conditions If the outdoor current exceeds the current limit value the LED will display the failure Supposed causes Wiring mistake Over load protect...

Page 83: ...82...

Page 84: ...unction decision conditions When the voltage signal that IPM send to compressor drive chip is abnormal the display LED will show P4 and AC will turn off Supposed causes Wiring mistake IPM malfunction...

Page 85: ...84...

Page 86: ...rror Code P6 Malfunction decision conditions When outdoor pipe temperature is more than 65 C the unit will stop and unit runs again when outdoor pipe temperature is less than 52 C Supposed causes The...

Page 87: ...on error diagnosis and solution Only for KSIM40912 H216 1G Error Code PF Malfunction decision conditions When the voltage signal that PFC sends to main control board is abnormal the display LED will s...

Page 88: ...87 Two ports of the inductance Inductance...

Page 89: ...88...

Page 90: ...912 H216 1G KSIM40912 H216 2G Compressor DA130S1C 20FZ DA150S1C 20FZ DA250S2C 30MT TNB306FPGMC L Outdoor fan motor WZDK50 38G YDK53 6FB B WZDK72 38G WZDK180 38G Model KSIM20912 H216 1G KSIM30912 H216...

Page 91: ...measure the resistance value with a tester Temperature Sensors Room temp T1 sensor Indoor coil temp T2 sensor Outdoor coil temp T3 sensor Outdoor ambient temp T4 sensor Compressor discharge temp T5 s...

Page 92: ...6 0 40060 3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 37956 1 37 1988 39 5 39689 79 1 21330 119 0 36954 0 35 2024 40 5 17519 80 1 17393 120 0 35982 1 33 3269 41 4...

Page 93: ...5 8 084 115 2 422 4 222 8 36 34 32 76 7 82 116 2 357 3 211 4 37 32 94 77 7 566 117 2 294 2 200 7 38 31 62 78 7 321 118 2 233 1 190 5 39 30 36 79 7 086 119 2 174 0 180 9 40 29 15 80 6 859 120 2 117 1 1...

Page 94: ...72 23 24 25 26 27 28 29 30 31 32 33 34 35 74 76 78 80 82 84 86 88 90 92 94 96 98 2 Compressor check Measure the resistance value of each winding by using the tester Position Resistance Value DA130S1C...

Page 95: ...l resistance value Red Black Several M Red Black Several M P N U N U V V W W Red 4 AC Fan Motor Measure the resistance value of each winding by using the tester Position Resistance Value RPG20B RPG28H...

Page 96: ...8 20 Yellow Blue 76 8 20 19 8 20 252 8 20 88 8 20 150 8 20 374 3 8 20 138 8 20 5 4 way valve 1 Power on use a digital tester to measure the voltage when the unit operates in cooling it is 0V When the...

Page 97: ...96 6 EXV check Disconnect the connectors...

Page 98: ...97 Resistance to EXV coil Color of lead wire Normal Value Red Blue About 50 Red Yellow Brown Orange Brown White...

Page 99: ...98 Red Blue Red Yellow...

Page 100: ...99 Brown Orange Brown White...

Page 101: ...2 Remove the filter and horizontal louver 3 Remove the three fixing screws 4 Remove the cover one screw 5 Lift the panel frame and release the two connectors One is for the display board ass y The ot...

Page 102: ...ding screws 2 Remove the fixing screw and open the electrical box cover 3 Pull out the connectors of the swing motor ionizer fan motor and the capacitor Swing motors From right to left it is the fan m...

Page 103: ...vaporator 1 After remove the front panel ass y and electrical parts following procedure 1 and procedure 2 remove the pipe holder at the rear side of the unit 2 Remove the four screws on the evaporator...

Page 104: ...103 3 Remove two screws on the evaporator at the fixed plates and then lift the evaporator ass y Two screws at the fixed plates...

Page 105: ...4 Fan and motor How to remove the fan and motor 1 After remove the evaporator ass y following procedure 1 procedure 2 and procedure 3 remove the five screws 2 Then separate the fan and motor Five scr...

Page 106: ...air filter 1 201132200713 5 Air filter left 1 201132300002 6 Air filter right 1 201132300001 7 Display box assembly 1 203332590183 7 1 Display board assembly 1 201332590136 8 Cover of indoor electroni...

Page 107: ...or 1 202400300137 20 Bearing base 1 202730100201 21 Cross flow fan 1 201100200100 22 Chassis assembly 1 201132300974 23 Pipe clamp board 1 201232500001 24 Installation plate 1 201232590025 25 Electron...

Page 108: ...203332590183 7 1 Display board assembly 1 201332590136 8 Cover of indoor electronic control box 1 201132500012 9 Screw cap 3 201132500055 10 Panel frame assembly 1 201132501024 10 1 Panel frame assemb...

Page 109: ...sembly 1 201132500007 23 Pipe clamp board 1 201232500001 24 Installation plate 1 201232590025 25 Electronic control box assembly 1 203352090129 25 1 Cover of electronic control box 1 201132500021 25 2...

Page 110: ...lay board assembly 1 201332890026 8 Cover of indoor electronic control box 1 201132490008 9 Screw cap 3 201132890026 10 Panel frame assembly 1 201132890584 10 1 Panel frame assembly 1 201132890019 10...

Page 111: ...201130100204 24 Installation plate 1 201232790012 25 Electronic control box assembly 1 203352090182 25 1 Cover of electronic control box 1 201132890015 25 2 Electronic control box 1 201132890014 25 3...

Page 112: ...Klimaire Products Inc 2190 NW 89 Place Doral FL 33172 USA Tel 305 593 8358 Fax 305 499 4378 www klimaire com sales klimaire com The design and specifications are subject to change without prior notic...

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