Midea MC-SU30-RN1L

Aqua Tempo Super II
201709 89
Part
4 - Diagnosis and Troubleshooting
Procedure 4.19.4
PU/FF
No
Some power wires or communication
wires of fan module are not connected
properly
1
Yes
Ensure power and communication wires
are connected properly
No
The fan motor is blocked or has failed
2
Yes
Remove obstruction or replace the fan
motor
No
The power supply is abnormal
Yes
Check the power supply equipment
No
Voltage between P and N on fan module
is abnormal
3
Yes
Replace AC filter board
No
Replacing the fan module resolves the
error
No
Replace main PCB
Notes:
1. Refer to Figures 4-1.2 and 4-14 in Part 4, 1 “Outdoor Unit Electric Control Box Layout”.
2. Refer to Part 2, 1 “Layout of Functional Components”.
3. The normal voltage between P and N on the fan module is 310V DC. Refer to Figures 4-1.2 and 4-1.4 in Part 4, 1 “Outdoor Unit Electric Control Box Layout”
and to Figure 4-2.3 in Part 4, 2 “Fan module PCB”