Sinclair SCV-1400EB, Руководство по обслуживанию, Страница: 119 / 160

117
Procedure
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
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 2
Yes
Replace AC filter board
No
Replacing the fan module resolves the error
No
Replace main PCB
Notes:
1. Refer to Part 4, 3 “Wiring diagram” and PCB components to make sure wire connection is firm.
2. The normal voltage between P and N on the fan module is 650V DC. Refer to Part 4, 1 “Outdoor Unit Electric Control Box Layout” and to Part 4, 2.4 “Fan
module board”.