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Midea MS11D-18HRN1 [52/56] Diagnosis and solution
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Neola On-off DM12-01.01.07en
52 Service manual
11.2 Diagnosis and Solution
11.2.1 Indoor fan speed out of control diagnosis
Is the indoor fan motor connector and
connection good?
The unit does not work normally
Turn off the unit, rotate the cross
fan.Does it rotate freely?
No
Disassemble the connection between
fan and motor, check if the bearing is
normal. If not, change the bearing.If
yes, follow the below step.
Replace the fan motor
Yes
Replace the indoor PCB
No
Yes
Is the voltage being applied to the fan
motor?
Yes
Shut off the power supply and turn on it 5s later
Содержание
- Neola on off series 1
- Service manual 2012 1
- Contents 2
- Installation 3
- Precaution 3
- Safety precaution 3
- Warning 3
- Caution 5
- Operational 6
- Function 8
- Model names of indoor outdoor units 8
- Dm12 01 1 7en neola on off 11
- Service manual 11 11
- Specification 11
- Neola on off dm12 01 1 7en 12
- Service manual 12
- Dm12 01 1 7en neola on off 13
- Service manual 13 13
- Neola on off dm12 01 1 7en 14
- Service manual 14
- Dimension 15
- Dm12 01 1 7en neola on off 15
- Indoor units 15
- Service manual 15 15
- Neola on off dm12 01 1 7en 18
- Outdoor units 18
- Service manual 18
- Capacity tables 19
- Cooling 19
- Dm12 01 1 7en neola on off 19
- Heating 19
- Service manual 19 19
- Cooling 20
- Heating 20
- Neola on off dm12 01 1 7en 20
- Service manual 20
- Cooling 21
- Dm12 01 1 7en neola on off 21
- Heating 21
- Service manual 21 21
- Cooling 22
- Heating 22
- Neola on off dm12 01 1 7en 22
- Service manual 22
- Cooling 23
- Dm12 01 1 7en neola on off 23
- Heating 23
- Service manual 23 23
- Cooling 24
- Heating 24
- Neola on off dm12 01 1 7en 24
- Service manual 24
- Refrigerant cycle diagram 25
- Indoor units 26
- Wiring diagram 26
- Outdoor units 28
- Connecting the cables 30
- Installation details 30
- Wrench torque sheet for installation 30
- Installation for the first time 31
- Pipe length and the elevation 31
- Adding the refrigerant after running the system for many years 35
- Re installation while the indoor unit need to be repaired 36
- Re installation while the outdoor unit need to be repaired 38
- Caution 41
- Come into operation and cause the unit to function abnormally 41
- Dm12 01 1 7en neola on off 41
- If air conditioner is used outside of the above conditions certain safety protection features may 41
- Maximum angle vertically to the floor and set high fan mode 41
- Operation characteristics 41
- Optimum performance will be achieved within this operating temperature 41
- Room relative humidity less than 80 if the air conditioner operates in excess of this figure the 41
- Service manual 41 41
- Surface of the air conditioner may attract condensation please set the vertical air flow louver to its 41
- Abbreviation 42
- Display function 42
- Electronic function 42
- Main protection 43
- Operation modes and functions 43
- Indoor unit error display 51
- Troubleshooting 51
- Diagnosis and solution 52
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