Rotate fan motor by
hand to check if there
is obviously fiction
Forced the fan in low speed,
measure if it has alternating
voltage between FG and GND
Check the motor and
PCB connection is well
Replace fan motor
Re-connect
Replace the motor
Replace the outdoor PCB
No
No
No
Yes
Yes
Yes
[71] DC motor blocked
70
Summary of Contents for YEVFD Series
Page 13: ...3 Dimension 11...
Page 14: ...4 Function Parts layout 12...
Page 15: ...5 Center of gravity 13...
Page 16: ...6 Refrigerant Circuit 14...
Page 24: ...10 Operation Range 22...
Page 31: ...29...
Page 32: ...Case 2 obstacles on the inlet and top side 30...
Page 35: ...33...