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Midea MO11M-24HN1 [51/55] Diagnosis and solution
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DM12-01.01.09en Oasis On-off
Service manual 51
11.2 Diagnosis and Solution
11.2.1 EEPROM parameter error diagnosis and solution
Shut off the power supply and turn on it 5s later
The problem comes out again
Is the EEPROM chip plugged in PCB well?
No
Correct the connection
Replace the main PCB
Содержание
- Oasis on off series 1
- Service manual 2012 1
- Contents 2
- Installation 3
- Precaution 3
- Safety precaution 3
- Warning 3
- Caution 5
- Operational 6
- Function 7
- Indoor unit 7
- Model names of indoor outdoor units 7
- Outdoor unit 7
- Oasis on off dm12 01 1 9en 8
- Service manual 8
- Specification 8
- A number of rows 9
- Ambient temp cooling heating 9
- Application area 9
- B tube pitch a x row pitch b mm 9
- C fin spacing mm 9
- Capacitor 9
- Connection wiring 9
- D fin type code 9
- Design pressure mpa 9
- Dimension w d h mm 9
- Dm12 01 1 9en oasis on off 9
- E tube outside dia and type mm 9
- F coil length x height x width mm 9
- G number of circuits 9
- Input w 9
- Liquid side gas side mm inch 9
- Max difference in level m 9
- Max refrigerant pipe length m 9
- Net gross weight kg 9
- Operation temp 9
- Outdoor air flow 9
- Outdoor coil 9
- Outdoor fan 9
- Outdoor noise level db a 9
- Outdoor unit 9
- Packing w d h mm 9
- Plug type 9
- Refrigerant piping 9
- Refrigerant type g 9
- Service manual 9 9
- Speed r min 9
- Thermostat type 9
- Oasis on off dm12 01 1 9en 10
- Service manual 10
- A number of rows 11
- Ambient temp cooling heating 11
- Application area 11
- B tube pitch a x row pitch b mm 11
- C fin spacing mm 11
- Capacitor 11
- Connection wiring 11
- D fin type code 11
- Design pressure mpa 11
- Dimension w d h mm 11
- Dm12 01 1 9en oasis on off 11
- E tube outside dia and type mm 11
- F coil length x height x width mm 11
- G number of circuits 11
- Input w 11
- Liquid side gas side mm inch 11
- Max difference in level m 11
- Max refrigerant pipe length m 11
- Net gross weight kg 11
- Operation temp 11
- Outdoor air flow 11
- Outdoor coil 11
- Outdoor fan 11
- Outdoor noise level db a 11
- Outdoor unit 11
- Packing w d h mm 11
- Plug type 11
- Refrigerant piping 11
- Refrigerant type g 11
- Service manual 11 11
- Speed r min 11
- Thermostat type 11
- Dimension 12
- Indoor unit 12
- Outdoor unit 14
- Capacity tables 15
- Cooling 15
- Dm12 01 1 9en oasis on off 15
- Heating 15
- Service manual 15 15
- Cooling 16
- Heating 16
- Oasis on off dm12 01 1 9en 16
- Service manual 16
- Cooling 17
- Dm12 01 1 9en oasis on off 17
- Heating 17
- Service manual 17 17
- Cooling 18
- Heating 18
- Oasis on off dm12 01 1 9en 18
- Service manual 18
- Dm12 01 1 9en oasis on off 19
- Indoor outdoor 19
- Refrigerant cycle diagram 19
- Service manual 19 19
- Indoor unit 20
- Wiring diagram 20
- Outdoor unit 22
- Connecting the cables 24
- Installation details 24
- Wrench torque sheet for installation 24
- Caution 25
- Dm12 01 1 9en oasis on off 25
- Ms11m 09hrn1 mo11m 09hn1 25
- Ms11m 12hrn1 mo11m 12hn1 25
- Ms11m 18hrn1 mo11m 18hn1 25
- Ms11m 24hrn1 mo11m 24hn1 25
- Pipe length and the elevation 25
- Service manual 25 25
- System reliability 25
- The capacity test is based on the standard length and the maximum permissive length is based on the 25
- The oil trap should be installed per 5 7 meters 25
- The pipe length and refrigerant amount 25
- Installation for the first time 26
- Adding the refrigerant after running the system for many years 29
- Re installation while the indoor unit need to be repaired 30
- Re installation while the outdoor unit need to be repaired 32
- Operation characteristics 35
- Abbreviation 36
- Display function 36
- Electronic function 36
- Icon explanation on indoor display board 36
- Oasis on off dm12 01 1 9en 36
- Service manual 36
- T1 indoor room temperature 36
- T2 coil temperature of evaporator 36
- T3 coil temperature of condenser 36
- T4 outdoor ambient temperature 36
- T5 compressor discharge temperature 36
- Main protection 37
- Ms11m 09hrn1 mo11m 09hn1 37
- Ms11m 12hrn1 mo11m 12hn1 37
- Ms11m 18hrn1 mo11m 18hn1 37
- Ms11m 24hrn1 mo11m 24hn1 37
- Operation modes and functions 38
- Indoor unit error display 50
- Troubleshooting 50
- Diagnosis and solution 51
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