V4+R VRF 50/60Hz
94
201608
Midea V
4
+R
Se
rie
s Se
rvice
Manua
l
… flowchart continued from previous page
The power supply is abnormal
Yes
Check the power supply equipment
No
Voltage between P and N on fan module
is abnormal
4
Yes
Replace AC filter board
No
Replacing the fan module resolves the
error
No
Replace outdoor main PCB
Notes:
1.
Refer to Part 4, 1.1 “PCB Switches and Switch Settings”.
2.
Refer to Figures 5-1.1 and 5-1.3 in Part 5, 1 “Outdoor Unit Electric Control Box Layout” and to the V5 X Engineering Data Book, Part 2, 5 “Wiring Diagrams”.
3.
Refer to Part 2, 1 “Layout of Functional Components”.
4.
The normal voltage between P and N on the fan module is 310V DC. Refer to Figures 5-1.1 and 5-1.3 in Part 5, 1 “Outdoor Unit Electric Control Box Layout”
and to Figure 5-4.18.
Figure 5-4.18: Fan module layout
P
N
Program input port
Main PCB control signal input port
Power supply to fan motor
Fault LED indicator
Power supply LED indicator
Signal feedback port
Summary of Contents for V4+R Series
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