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Midea MOA01-09HFN1, Руководство по обслуживанию

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DM16-01.01.23en 

 

Kids Star Inverter 

Service manual 

 

35 

11. Troubleshooting 

Safety 

 

Electricity power is still kept in capacitors even the power supply is shut off. Do not forget to discharge the electricity 

power in capacitor. 

 

 

 

Electrolytic Capacitors

 

(HIGH VOLTAGE! CAUTION!) 

 

 

For other models, please connect discharge resistance (approx.100

Ω

 40W) or soldering iron (plug) b, - 

terminals of the electrolytic capacitor on the contrary side of the outdoor PCB. 

 

Note: The picture above is only for reference. The plug of your side may be different. 

 

Содержание MOA01-09HFN1

Страница 1: ...KIDS STAR Inverter Series Service Manual 2016 DM16 01 01 23en MSEAAU 09HRFN1 SB MOA01 09HFN1 MSEABU 12HRFN1 SB MOB01 12HFN1 MSEAAU 09HRFN1 SP MOA01 09HFN1 MSEABU 12HRFN1 SP MOB01 12HFN1...

Страница 2: ...nd the elevation 19 7 4 Installation for the first time 20 7 5 Adding the refrigerant after running the system for many years 21 7 6 Re installation while the indoor unit need to be repaired 22 7 7 Re...

Страница 3: ...Use the correctly rated breaker of fuse There is risk of fire or electric shock Do not modify or extend the power cable There is risk of fire or electric shock Do not install remove or reinstall the u...

Страница 4: ...e is risk of physical injury electric shock or product failure When the product is soaked contact an authorized service center There is risk of fire or electric shock Be caution that water could not e...

Страница 5: ...of the product when removing the air filter They are very sharp Do not step on or put anything on the product outdoor units Always insert the filter securely Clean the filter every two weeks or more...

Страница 6: ...01 01 23en 6 Service manual 2 Function Model Names of Indoor Outdoor Units Inverter Capacity Indoor units Outdoor units 9K MSEAAU 09HRFN1 SB MSEAAU 09HRFN1 SP MOA01 09HFN1 12K MSEABU 12HRFN1 SB MSEABU...

Страница 7: ...sonal Cooling Pdesignc kW 2 6 3 5 SEER W W 7 1 6 8 Energy Efficiency Class A A Heating Average Pdesignh kW 2 6 3 5 SCOP W W 4 0 4 0 Energy Efficiency Class A A Tbiv 7 7 Heating Warmer Pdesignh kW SCOP...

Страница 8: ...5 4x22 c Fin spacing mm 1 3 1 3 d Fin type code Hydrophilic aluminium Hydrophilic aluminium e Tube outside dia and type mm 7 innergroove tube 9 52 innergroove tube f Coil length x height x width mm 74...

Страница 9: ...DM16 01 01 23en Kids Star Inverter Service manual 9 4 Dimension 4 1 Indoor Unit Model W D H MSEAAU 09HRFN1 SB SP 900 190 310 MSEABU 12HRFN1 SB SP...

Страница 10: ...Kids Star Inverter DM16 01 01 23en 10 Service manual For MSEAAU 09HRFN1 SB MSEABU 12HRFN1 SB...

Страница 11: ...radius is determined by the air conditioner installation position It is recommended to install the unit at 220mm 250mm from the floor The lower the unit installs the smaller distance the Intelligent...

Страница 12: ...Kids Star Inverter DM16 01 01 23en 12 Service manual 4 2 Outdoor Unit...

Страница 13: ...DM16 01 01 23en Kids Star Inverter Service manual 13 For MOA01 09HFN1 728 W 452 W1 555 60 85 5 301 12 0 286 741 W3 326 300 D 70 W2 H H1 H2 D1 D2 D3 20 A1 R20 R6 61 6 A2...

Страница 14: ...Kids Star Inverter DM16 01 01 23en 14 Service manual For MOB01 12HFN1 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...

Страница 15: ...1 3 18 2 69 2 51 2 35 32 C D 23 C W Total capacity kW 2 73 2 76 2 79 2 82 2 84 2 87 2 90 2 93 3 13 3 15 3 04 2 61 2 47 2 41 Sensitive capacity kW 2 19 2 21 2 23 2 25 2 28 2 30 2 32 2 35 2 50 2 52 2 43...

Страница 16: ...66 2 48 2 32 32 C D 23 C W Total capacity kW 3 64 3 68 3 72 3 75 3 79 3 83 3 87 3 91 4 17 4 21 4 05 3 47 3 29 3 21 Sensitive capacity kW 2 91 2 94 2 97 3 00 3 03 3 06 3 10 3 13 3 33 3 36 3 24 2 78 2 6...

Страница 17: ...del only CAPILIARY TUBE 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 sens...

Страница 18: ...gf cm 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 applia...

Страница 19: ...t Model Pipe size Standard length m Max Elevation B m Max Length A m Additional refrigerant g m Gas Liquid MSEAAU 09HRFN1 SB MOA01 09HFN1 3 8 9 52 1 4 6 35 5 10 25 15 MSEABU 12HRFN1 SB MOB01 12HFN1 Ca...

Страница 20: ...that both the 2 way and 3 way valves are set to the closed position 2 Connect the charge hose with the push pin of handle lo to the 3 way valves gas service port 3 Connect the charge hose of handle h...

Страница 21: ...e the air conditioner at the cooling mode 5 Open the valves Low side on the charge set and charge the system with liquid refrigerant 6 When the electronic scale displays the proper weight refer to the...

Страница 22: ...e refrigerant into the outdoor unit Procedure 1 Confirm that both the 2 way and 3 way valves are set to the opened position Remove the valve stem caps and confirm that the valve stems are in the opene...

Страница 23: ...does not indicate 0 1Mpa after pumping 30 minutes it should be pumped 20 minutes more If the pressure can t achieve 0 1Mpa after pumping 50 minutes please check if there are some leakage points Fully...

Страница 24: ...valve Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder If the refrigerant is R410A make the cylinder bottom up to ensure liquid charge 2 P...

Страница 25: ...stem has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose 6 Mounted the valve stem caps and the service port Use torq...

Страница 26: ...Kids Star Inverter DM16 01 01 23en 26 Service manual 8 Wiring Diagram 8 1 Indoor Unit 8 2 Outdoor Unit...

Страница 27: ...conditioner is used beyond the above conditions certain safety protection features may come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80...

Страница 28: ...display board Digital display Displays the temperature settings when the air conditioner is operational Displays the room temperature in FAN mode Displays the self diagnostic codes Dispalys under Coo...

Страница 29: ...voltage and temperature If these protections happen the corresponding code will display on indoor unit and the unit will stop working 10 3 6 Indoor fan delayed open function When the unit starts up t...

Страница 30: ...ame as in cooling mode 5 Auto fan T 1 T s 10 4 2 Cooling Mode 10 4 2 1 Compressor running rules When T1 Ts T 2 the compressor will stop when T1 Ts T 0 5 the compressor will be activated T is the progr...

Страница 31: ...enser temperature protection T3 Resume Off Decrease Hold Increase When condenser temperature temp is more than setting value the compressor will stop 10 4 2 5 Evaporator temperature protection When Ev...

Страница 32: ...ill stop When the indoor temp reaches the setting temp the compressor will stop the indoor fan motor will run at setting speed The anti cold air function is valid Auto fan action in heating mode T 1 T...

Страница 33: ...in relevant mode If the machine switches mode between heating and cooling the compressor will keep stopping for certain time and then choose mode according to T1 TS and T4 If the setting temperature i...

Страница 34: ...en the room light turns on again the display screen gets brighter 10 4 8 ECO function The ECO function can only be activated via WIFI control under cooling operation The indoor display screen displays...

Страница 35: ...t forget 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...

Страница 36: ...ient temperature sensor T4 open circuit or short circuit E52 Condenser coil temperature sensor T3 open circuit or short circuit E54 Compressor discharge temperature sensor TP open circuit or short cir...

Страница 37: ...PCB main chip does not receive feedback from EEPROM chip Supposed causes Installation mistake PCB faulty Trouble shooting EEPROM a read only memory whose contents can be erased and reprogrammed using...

Страница 38: ...ication diagnosis and solution E1 Error Code E1 Malfunction decision conditions Indoor unit does not receive the feedback from outdoor unit during 120 seconds and this condition happens three times co...

Страница 39: ...er Service manual 39 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 mal...

Страница 40: ...osis and solution E3 Error Code E3 E7 Malfunction decision conditions When indoor fan speed keeps too low 300RPM or too high 1500RPM for certain time the unit will stop and the LED will display the fa...

Страница 41: ...2 Outdoor 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...

Страница 42: ...decision conditions 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...

Страница 43: ...erage_heat T1_Average heatantT0 ucT2AveCompOpen T2Average heatantT2 ucT1AveCompOpen T1_Average 3 Supposed causes T2 T4 T1 sensor faulty Indoor PCB faulty System problems such as leakage or blocking Tr...

Страница 44: ...anual 11 2 6 Indoor PCB Display board communication error Eb Error Code Eb Malfunction decision conditions Indoor PCB does not receive feedback from Display board Supposed causes Wiring mistake PCB fa...

Страница 45: ...7 Intelligent eye malfunction error EF Error Code EF Malfunction decision conditions The communication between Display board and Intelligent eye has malfunction Supposed causes Wiring mistake Intellig...

Страница 46: ...sis and solution P0 Error Code P0 Malfunction decision conditions When the voltage signal that IPM send to compressor drive chip is abnormal the display LED will show P0 and AC will turn off Supposed...

Страница 47: ...e large capacity electrolytic capacitors discharge completely and dismount the IPM Use a digital tester to measure the resistance between P and UVWN UVW and N Digital tester Normal resistance value Di...

Страница 48: ...or too low voltage protection diagnosis and solution P1 Error Code P1 Malfunction decision conditions An abnormal voltage rise or drop is detected by checking the specified voltage detection circuit...

Страница 49: ...otection of IPM or compress top diagnosis and solution P2 Error Code P2 Malfunction decision conditions If the sampling voltage is not 5V the LED will display the failure Supposed causes Power supply...

Страница 50: ...Kids Star Inverter DM16 01 01 23en 50 Service manual High temperature protection of compressor top Radiator and refrigerant copper pipe...

Страница 51: ...decision conditions An abnormal inverter compressor drive is detected by a special detection circuit including communication signal detection voltage detection compressor rotation speed signal detect...

Страница 52: ...t the temperature 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 sens...

Страница 53: ...8 37 99 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...

Страница 54: ...78 75 167 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 3...

Страница 55: ...1 23en Kids Star Inverter Service manual 55 2 Compressor checking Measure the resistance value of each winding by using the tester Position Resistance Value ASN98D22UFZ Blue Red 1 57 20 68 Blue Black...

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