Airwell 7SP023054 Service Manual Download Page 38

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TROUBLESHOOTING

Version - 1 38 HKD DCI

10.2

Trouble shooting

10.2.1 EEPROM parameter error diagnosis and solution(E0/F4)

Error Code

E0/F4

Malfunction decision

conditions

Indoor or outdoor PCB main chip does not receive feedback

from EEPROM chip.

Supposed causes

●

Installation mistake

●

PCB faulty

Trouble shooting:

Yes

Replace the indoor/outdoor

main PCB.

Power off, then restart the

unit 2 minutes later.

EEPROM: a read-only memory whose contents can be erased and reprogrammed using a pulsed

voltage. For the location of EEPROM chip, please refer to the below photos.

Note: The two photos above are only for reference, it

’s may be not same totally with the ones on

your side.

Indoor PCB

Outdoor PCB

Summary of Contents for 7SP023054

Page 1: ...7SP023054 AWAU YKD009 H11 7SP062910 AWSI HKD012 N11 7SP023055 AWAU YKD012 H11 7SP062911 AWSI HKD018 N11 7SP023056 AWAU YKD018 H11 7SP062912 AWSI HKD024 N11 7SP023057 AWAU YKD024 H11 7SP062913 REFRIGE...

Page 2: ...ion 22 7 4 Installation for the first time 23 7 5 Adding the refrigerant after running the system for many years 24 7 6 Re installation while the indoor unit need to be repaired 24 7 7 Re installation...

Page 3: ...l of the case edges and the fins on the condenser and evaporator For installation always contact the dealer or an authorized service center Do not install the product on a defective installation stand...

Page 4: ...re that water is drained away properly A bad connection may cause water leakage Keep level even when installing the product It can avoid vibration of water leakage Do not install the product where the...

Page 5: ...tteries in the remote control with new ones of the same type Do not mix old and new batteries or different types of batteries There is risk of fire or explosion Do not recharge or disassemble the batt...

Page 6: ...nction Model Names of Indoor Outdoor Units 3D Inverter Capacity Indoor units Outdoor units 9K AWSI HKD009 N11 AWAU YKD009 H11 12K AWSI HKD012 N11 AWAU YKD012 H11 18K AWSI HKD018 N11 AWAU YKD018 H11 24...

Page 7: ...re removal l hr 1 Condensate drain tube I D mm 16 Dimensions WxHxD mm 715x285x194 Weight kg 6 8 Package dimensions WxHxD mm 780x360x270 Packaged weight kg 8 9 Stacking height units 7 OUTDOOR Refrigera...

Page 8: ...al l hr 1 2 Condensate drain tube I D mm 16 Dimensions WxHxD mm 805x285x194 Weight kg 7 2 Package dimensions WxHxD mm 870x360x270 Packaged weight kg 9 6 Stacking height units 7 OUTDOOR Refrigerant con...

Page 9: ...hr 1 7 Condensate drain tube I D mm 16 Dimensions WxHxD mm 957x302x213 Weight kg 9 5 Package dimensions WxHxD mm 1035x380x295 Packaged weight kg 12 5 Stacking height units 8 OUTDOOR Refrigerant contr...

Page 10: ...l hr 2 4 Condensate drain tube I D mm 16 Dimensions WxHxD mm 1040 327 220 Weight kg 11 9 Package dimensions WxHxD mm 1120x310x405 Packaged weight kg 15 2 Stacking height units 8 OUTDOOR Refrigerant co...

Page 11: ...DIMENSION HKD DCI 11 Version 1 4 Dimension 4 1 Indoor Unit Model W D H AWSI HKD009 N11 715 194 285 AWSI HKD012 N11 805 194 285 AWSI HKD018 N11 957 213 302 AWSI HKD024 N11 1040 220 327...

Page 12: ...DIMENSION Version 1 12 HKD DCI For AWSI HKD009 N11 For AWSI HKD012 N11 For AWSI HKD018 N11...

Page 13: ...DIMENSION HKD DCI 13 Version 1 For AWSI HKD024 N11...

Page 14: ...DIMENSION Version 1 14 HKD DCI 4 2 Outdoor Unit For AWAU YKD009 H11 AWAU YKD012 H11 487 W1 70 W2 298 555 300 D H 12 60 93 H1 H2 D1 770 W 779 W3 322 D2 25 B1 90 B2 61 5 A2 12 A1 R 6 286 D3...

Page 15: ...DIMENSION HKD DCI 15 Version 1 For AWAU YKD018 H11 For AWAU YKD024 H11 800 W 514 W1 554 60 85 5 340 12 0 311 815 W3 365 333 D 70 W2 H H1 H2 D1 D2 D3 62 B1 106 B2 20 A1 R20 R6 61 6 A2...

Page 16: ...Diagram LIQUID SIDE GAS SIDE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER COMPRESSOR 2 WAY VALVE 3 WAY VALVE 4 WAY VALVE COOLING HEATING T2 Evaporator temp sensor T1 Room temp sensor ACCUMULATOR...

Page 17: ...y control feature Applicable for MULTI and MONO unit without 1W standby control feature X Y E 12V 5V HA HB To CCM Comm Bus or 485 Wire controller To Randomly Connected Wire controller To Remote Switch...

Page 18: ...del AWAU YKD009 H11 AWAU YKD012 H11 4 WAY OPTIONAL DC FAN CN 7 AC FAN CAPACITOR CN 25 PAN HEATER CRANKCASE HEATER BRO WN INDOOR UNIT S 1 2 N L N BLUE Y G L Y G AMBIENT TEMP SENSOR CONDENSER TEMP SENSO...

Page 19: ...Version 1 6 3 Model AWAU YKD018 H11 OPTIONAL HEATER 1 CN5 OUTDOOR WIRING DIAGRAM 3 Applicable to the units adopting DC motor only Applicable to the units adopting AC motor only Y G RED TO INDOOR UNIT...

Page 20: ...HKD DCI 6 4 Model AWAU YKD024 H11 OPTIONAL HEATER 1 CN5 OUTDOOR WIRING DIAGRAM 3 Applicable to the units adopting DC motor only Applicable to the units adopting AC motor only RED Y G TO INDOOR UNIT P...

Page 21: ...4700 479kgf cm 19 3 4 6500 663kgf cm 6700 683kgf cm 7 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet Rated current of appliance N...

Page 22: ...frigerant g m Gas Liquid AWSI HKD009 N11 AWAU YKD009 H11 3 8 9 52 1 4 6 35 5 10 25 15 AWSI HKD012 N11 AWAU YKD012 H11 3 8 9 52 1 4 6 35 5 10 25 15 AWSI HKD018 N11 AWAU YKD018 H11 1 2 12 7 1 4 6 35 5 2...

Page 23: ...or 30 minutes and check whether the compound meter indicates 0 1Mpa If the meter does not indicate 0 1Mpa after pumping 30 minutes it should be pumped 20 minutes more If the pressure can t achieve 0 1...

Page 24: ...d refrigerant 6 When the electronic scale displays the proper weight refer to the gauge and the pressure of the low side disconnect the charge hose from the 3 way valve s service port immediately and...

Page 25: ...off the vacuum pump 7 Turn the flare nut of the 3 way valves about 45 counterclockwise for 6 or 7seconds after the gas coming out then tighten the flare nut again Make sure the pressure display in th...

Page 26: ...erant If the system cannot be charge with the specified amount of refrigerant or can be charged with a little at a time approximately 150g each time operating the air conditioner in the cooling cycle...

Page 27: ...d cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If the air conditioner operates beyond this figure the surface of the air conditioner may attract condensatio...

Page 28: ...y for some units Displays the temperature settings when the air conditioner is operational Displays the room temperature in Fan and Drying mode Displays the self diagnostic codes Dispalys for three se...

Page 29: ...nd the unit will stop working 9 3 6 Indoor fan delayed open function When the unit starts up the louver will be active immediately and the indoor fan will open 7s later If the unit runs in heating mod...

Page 30: ...w frequency When the current is more than setting value the current protection function will be activated and the compressor will stop 9 4 2 2 Outdoor fan running rules The outdoor unit will be run at...

Page 31: ...d and the compressor will stop 9 4 3 2 Outdoor fan running rules The outdoor unit will be run at different fan speed according to T4 For different outdoor units the fan speeds are different T4 E D C B...

Page 32: ...chosen with remote controller and the setting temperature can be changed between 17 C 30 C In auto mode the machine will choose cooling heating or fan only mode according to T T T1 Ts T1 Ts Cooling He...

Page 33: ...restarts 9 4 9 Refrigerant Leakage Detection With this new technology the display area will show EC when the outdoor unit detects refrigerant leakage 9 4 10 8 Heating optional In heating operation the...

Page 34: ...ION or SWING button three times in ten seconds the buzzer will keep ring for two seconds The air conditioner will enter into the information enquiry status You can press the LED DISPLAY or AIR DIRECTI...

Page 35: ...m value 19 99 19 99 A0 A1 A9 100 101 109 b0 b1 b9 110 111 119 c0 c1 c9 120 121 129 d0 d1 d9 130 131 139 E0 E1 E9 140 141 149 F0 F1 F9 150 151 159 Indoor fan speed Outdoor fan speed 0 OFF 1 2 3 4 Low s...

Page 36: ...to discharge the electricity power in capacitor Electrolytic Capacitors HIGH VOLTAGE CAUTION For other models please connect discharge resistance approx 100 40W or soldering iron plug between termina...

Page 37: ...ature sensor T3 open circuit or short circuit 4 times O F3 Compressor discharge temperature sensor T5 open circuit or short circuit 5 times O F4 Outdoor unit EEPROM parameter error 6 times O F5 Outdoo...

Page 38: ...Supposed causes Installation mistake PCB faulty Trouble shooting Yes Replace the indoor outdoor main PCB Power off then restart the unit 2 minutes later EEPROM a read only memory whose contents can b...

Page 39: ...and N of outdoor unit Red pan S Black pan N Yes Power off then restart the unit 2 minutes later Power off then restart the unit 2 minutes later No Replace the outdoor main PCB Power on Is the error e...

Page 40: ...1 40 HKD DCI Remark Use a multi meter to test the resistance of the reactor which does not connect with capacitor The normal value should be around zero ohm Otherwise the reactor must have malfunction...

Page 41: ...ay the failure Supposed causes Wiring mistake Fan ass y faulty Fan motor faulty PCB faulty Trouble shooting Power off then restart the unit 2 minutes later Shut off the power supply Rotate the fan by...

Page 42: ...or DC Fan Motor control chip is in outdoor PCB Power on and check if the fan can run normally if the fan can run normally the PCB must has problems and need to be replaced If the fan can t run normall...

Page 43: ...ng frequency higher than 50Hz does not keep continuous 3 minutes and this situation happens 3 times the display area will show EC and AC will turn off Supposed causes T2 sensor faulty Indoor PCB fault...

Page 44: ...onditions If the sampling voltage is lower than 0 06V or higher than 4 94V the LED will display the failure Supposed causes Wiring mistake Sensor faulty PCB faulty Trouble shooting Check the connectio...

Page 45: ...t Supposed causes Power supply problems System blockage PCB faulty Wiring mistake Compressor malfunction Check the power supply Check the connections and wires Stop the unit No Yes No Correct the conn...

Page 46: ...on or replace the wires and connectors Yes No Check the IPM No Yes Replace the IPM board or replace the main PCB Check the outdoor fan and the outdoor unit ventilation No Please refer to the solution...

Page 47: ...ply problems System leakage or block PCB faulty Trouble shooting Check the power supply Check the connections and wires Stop the unit No Yes No Correct the connections or replace the wires Yes Replace...

Page 48: ...e Fastening screws on the PCB and IPM radiator are fixed tightly For other models Check if the air flow system of indoor and outdoor units are obstructed Clear up the air inlet and outlet or the heat...

Page 49: ...osed causes Wiring mistake IPM malfunction Outdoor fan ass y faulty Compressor malfunction Outdoor PCB faulty Trouble shooting Check the wiring between main PCB and compressor Correct the connection o...

Page 50: ...mperature sensor from PCB 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 Compr...

Page 51: ...5 87359 77 171 1 29078 117 243 0 38991 2 28 39 8239 38 100 5 62961 78 172 1 25423 118 244 0 37956 1 30 37 1988 39 102 5 39689 79 174 1 2133 119 246 0 36954 0 32 35 2024 40 104 5 17519 80 176 1 17393 1...

Page 52: ...67 8 084 115 239 2 422 4 25 222 8 36 97 34 32 76 169 7 82 116 241 2 357 3 27 211 4 37 99 32 94 77 171 7 566 117 243 2 294 2 28 200 7 38 100 31 62 78 172 7 321 118 244 2 233 1 30 190 5 39 102 30 36 79...

Page 53: ...3 Version 1 2 Compressor checking Measure the resistance value of each winding by using the tester Position Resistance Value ASK89D53UEZ ASM135D23UFZ ATF235D22UMT Blue Red 2 35 20 68 1 75 20 68 0 75 2...

Page 54: ...EXPLODED VIEW AND SPARE PART LIST Version 1 54 HKD DCI 11 Exploded View and Spare Part List 11 1 Exploded view of model AWSI HKD009 N11 AWSI HKD012 N11 AWSI HKD018 N11...

Page 55: ...6 12122000013121 Chassis assembly 1 16 1 11002010000143 stepper motor 1 16 3 12122000013761 Vertical vane 1 16 4 12122000013123 Left cover of chassis 1 17 12122000013136 Pipe clamp board 1 18 12222000...

Page 56: ...16 12122000013163 Chassis assembly 1 16 1 11002010000143 stepper motor 1 16 3 12122000013763 Vertical vane 1 16 4 12122000013123 Left cover of chassis 1 17 12122000013136 Pipe clamp board 1 18 1222200...

Page 57: ...or 1 16 12122000013181 Chassis assembly 1 16 1 11002010000143 stepper motor 1 16 3 12122000013183 Vertical vane 1 16 4 12122000013186 Left cover of chassis 1 17 12122000013178 Pipe clamp board 1 18 12...

Page 58: ...EXPLODED VIEW AND SPARE PART LIST Version 1 58 HKD DCI 11 5 Exploded view of model AWSI HKD024 N11...

Page 59: ...EXPLODED VIEW AND SPARE PART LIST HKD DCI 59 Version 1...

Page 60: ...Chassis Assembly 1 16 1 11002010000049 stepper motor 1 16 3 12122000013343 Vertical vane 3 16 4 12122000013342 Left cover of chassis 1 17 12122000013346 Pipe clamp board 1 18 12222000005965 Installati...

Page 61: ...EXPLODED VIEW AND SPARE PART LIST HKD DCI 61 Version 1 11 7 Exploded view of model AWAU YKD009 H11 AWAU YKD012 H11...

Page 62: ...00004425 Partition board assembly 1 17 15422000004714 4 Ways valve assembly 1 17 1 15500204000021 Low Pressure Valve 1 17 2 15500216000028 4 way Valve 1 17 3 12222000002571 Installing plate for valves...

Page 63: ...00004425 Partition board assembly 1 17 15422000004714 4 Ways valve assembly 1 17 1 15500204000021 Low Pressure Valve 1 17 2 15500216000028 4 way Valve 1 17 3 12222000002571 Installing plate for valves...

Page 64: ...EXPLODED VIEW AND SPARE PART LIST Version 1 64 HKD DCI 11 10 Exploded view of model AWAU YKD018 H11...

Page 65: ...EXPLODED VIEW AND SPARE PART LIST HKD DCI 65 Version 1...

Page 66: ...ly 1 15 12222200001146 Separator Assembly 1 16 17400306000053 Reactor 1 17 15422000004716 Gas Valve Assembly 1 17 1 15500204000058 Low Pressure Valve 1 17 2 15500216000026 4 way Valve 1 17 3 122220000...

Page 67: ...EXPLODED VIEW AND SPARE PART LIST HKD DCI 67 Version 1 11 12 Exploded view of model AWAU YKD024 H11...

Page 68: ...11002015000397 Brushless DC Motor 1 9 12222000004794 Left side plate assembly 1 11 11103020000179 Inverter Controlled Rotary Compressor 1 12 12222000009205 Top cover assembly 1 13 15500406000003 Coppe...

Page 69: ...HKD DCI 69 Version 1 SERVICE MANUAL HKD DCI Series...

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