Midea ABSEU-A4-1511 Service Manual Download Page 38

Page: 38 / 41

8.2.7 Indoor / outdoor unit’s communication diagnosis and solution(E9)

Error Code

Malfunction decision

conditions

Indoor unit does not receive the feedback from outdoor unit during

120

seconds.

Supposed causes

●

Wiring mistake

●

Indoor or outdoor PCB faulty

Trouble shooting:

Summary of Contents for ABSEU-A4-1511

Page 1: ...Aurora ON OFF SERIES Service Manual 2015 ABSEU A4 1511...

Page 2: ...ion 18 5 4 Installation for the first time 19 6 5 Adding the refrigerant after running the system for many years 20 5 6 Re installation while the indoor unit need to be repaired 21 5 7 Re installation...

Page 3: ...ges 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 Be sure the ins...

Page 4: ...ause water leakage Keep level even when installing the product It can avoid vibration of water leakage Do not install the product where the noise or hot air from the outdoor unit could damage the neig...

Page 5: ...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 batteries Do not dispose of batteries in a fire They may burn of...

Page 6: ...MSABD 18HRN1 QC2 MOBA30 18HN1 QC2 24k MSABE 24ARN1 QB8W MOCA30 24HN1 QB8W 24k MSABE 24HRN1 QB8W MOCA30 24HN1 QB8W 36k MSABF 36HRN1 RC0W MOD30 36HN1 RC0W Cold catalyst filter Silver Ico Filter O Vitam...

Page 7: ...MSABB 09ARN1 QB8 722 187 290 MSABA 09HRN1 QC2 722 187 290 MSABB 12ARN1 QB6 802 189 297 MSABB 12HRN1 QC2 802 189 297 MSABD 18ARN1 QB8 965 215 319 MSABD 18HRN1 QC2 965 215 319 MSABE 24ARN1 QB8W 1080 22...

Page 8: ...For MSABA 07HRN1 QC2 MSABB 09ARN1 QB8 MSABA 09HRN1 QC2...

Page 9: ...For MSABB 12ARN1 QB6 MSABB 12HRN1 QC2 For MSABD 18ARN1 QB8 MSABD 18HRN1 QC2 For MSABE 24ARN1 QB8W MSABE 24HRN1 QB8W...

Page 10: ...For MSABF 36HRN1 RC0W...

Page 11: ...3 2 Outdoor Unit More than 30cm More than 60cm More than 200cm More than 30cm More than 60cm Service space Fence or obstacles...

Page 12: ...For MOAB30 07HN1 QC2 MOAB31 09HN1 QC2...

Page 13: ...For MOBA30 12HN1 QC2 MOBA30 18HN1 QC2 MOBA30 09HN1 QB8 MOBA30 12HN1 QB6 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 14: ...For MOCA30 24HN1 QB8W MOCA30 18HN1 QB8 MOCA30 24HN1 QB8W...

Page 15: ...For MOD30 36HN1 RC0W 946 W 810 H 1030 W1 673 A 403B 455D3 410 D 810 H 455 D3 15 57 H1 117 H2 73 12 24...

Page 16: ...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 INDOOR OUTDOOR CHECK...

Page 17: ...4 6500 663kgf cm 6700 683kgf cm 5 2 Connecting the cables The power cord of connect should be selected according to the following specifications sheet Rated current of appliance Nominal cross sectiona...

Page 18: ...BB 12HRN1 QC2 MOBA30 12HN1 QC2 1 2 12 7 1 4 6 35 5 8 20 20 MSABB 12ARN1 QB6 MOBA30 12HN1 QB6 1 2 12 7 1 4 6 35 5 8 20 20 MSABD 18HRN1 QC2 MOBA30 18HN1 QC2 1 2 12 7 1 4 6 35 5 10 25 20 MSABD 18ARN1 QB8...

Page 19: ...ction to the vacuum pump 4 Fully open the handle Lo of the manifold valve 5 Operate the vacuum pump to evacuate 6 Make evacuation for 30 minutes and check whether the compound meter indicates 0 1Mpa I...

Page 20: ...ge 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air be careful of the liquid refrigerant 3 Put the chargin...

Page 21: ...the cooling cycle and stop it when the gauge indicates 0 1MPa 6 Set the 3 way valve to the closed position immediately Do this quickly so that the gauge ends up indicating 0 3 to 0 5Mpa Disconnect th...

Page 22: ...inder If the refrigerant is R410A make the cylinder bottom up to ensure liquid charge 2 Purge the air from the charge hose Open the valve at the bottom of the cylinder and press the check valve on the...

Page 23: ...tropical models CAUTION 1 If the air 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 rela...

Page 24: ...perational Displays the room temperature in FAN mode Displays the self diagnostic codes Dispalys for three seconds when Timer ON Fresh Swing Turbo or Silence feature is activated Dispalys for three se...

Page 25: ...r than 300RPM lasting 2 minutes the unit stops and LED displays failure information and can t returns to normal operation automatically 7 3 5 Current protection A B C Resume The current exceeds settin...

Page 26: ...oor units have single fan speed The outdoor fan will run following the compressor except when AC is in evaporator high temp protection in heating mode condenser high temp protection in cooling mode de...

Page 27: ...function has the priority Auto fan action T1 TS Low Medium The indoor fan speed will adjust according to the value of T1 TS 7 4 3 4 Defrosting mode For MSABB 09ARN1 QB8 MSABB 12ARN1 QB6 MSABD 18ARN1...

Page 28: ...ing mode The compressor and outdoor fan keep running and the indoor fan runs at low speed After running for 30 minutes AC will turn to auto mode with 24 setting temperature Forced auto mode The action...

Page 29: ...s function can keep the inside of indoor unit dry and prevent breeding of mold 7 4 12 Follow me optional 1 If the indoor PCB receives the signal which results from pressing the FOLLOW ME button on rem...

Page 30: ...rt circuit 6 times X E6 Evaporator coil temperature sensor T2 open circuit or short circuit 7 times X E7 Condenser coil temperature sensor T3 or T4 open circuit or short circuit only for MSABE 24ARN1...

Page 31: ...Error Code E1 Malfunction decision conditions Indoor or outdoor PCB main chip does not receive feedback from EEPROM chip Supposed causes Installation mistake PCB faulty Trouble shooting EEPROM a read...

Page 32: ...nd solution E2 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 causes...

Page 33: ...on E3 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 mistake F...

Page 34: ...nit 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 supply...

Page 35: ...sampling voltage is lower than 0 06V or higher than 4 94V the LED will display the failure Supposed causes Wiring mistake Sensor faulty Trouble shooting Check the connection between temperature sensor...

Page 36: ...nds and this situation happens 3 times the display area will show EC and AC will turn off Supposed causes T2 sensor faulty Indoor PCB faulty System problems such as leakage or blocking Trouble shootin...

Page 37: ...nce error diagnosis and solution E8 Error Code E8 Malfunction decision conditions When the two phases of B and C are reversed or lacked the AC will stop working Supposed causes Power supply mistake Ou...

Page 38: ...cation diagnosis and solution E9 Error Code E9 Malfunction decision conditions Indoor unit does not receive the feedback from outdoor unit during 120 seconds Supposed causes Wiring mistake Indoor or o...

Page 39: ...rom 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 Compressor discharge te...

Page 40: ...078 117 243 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 120 248 0 35982 1 34...

Page 41: ...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 79 174 7 086 119 246...

Search results

Summary of Contents for ABSEU-A4-1511

Reviews:

Related manuals for ABSEU-A4-1511

Brands by name

Popular brands

Midea ABSEU-A4-1511, Service Manual

Search results

Summary of Contents for ABSEU-A4-1511

Reviews:

Related manuals for ABSEU-A4-1511

Brands by name

Popular brands