40
9.2.3 E3(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
Check the voltage between the red and
black wires of motor power input .Is it in
range of AC90-160V?
YES
Shut off the power supply and
turn
on it 5s later
Содержание 9V SERIES
Страница 1: ...9VSAP 1010 A SERVICE MANUAL MIDEA AIRCONDITIONER On Off SPLIT WALL MOUNTED TYPE 9V SERIES 9220 9221...
Страница 13: ...11 4 Refrigerant Cycle Diagram Cooling only Heat pump mode...
Страница 14: ...12 5 Wiring Diagram 5 1 Indoor Unit Cooling only...
Страница 15: ...13 Cooling Heating...
Страница 16: ...14 5 2 Outdoor Unit Smaller than 18K model Cooling only...
Страница 17: ...15 Cooling Heating...
Страница 18: ...16 For 18 K model Cooling only...
Страница 19: ...17 Cooling Heating...