Outdoor Fan Error - Samsung AC026FBRDEH Service Manual

4-3-14 Outdoor fan error

1. Inspection items
1) Is input power and power connected properly?
2) Is motor connection line properly connected to the PCB of the outdoor unit?
3) Is the fuse for indoor/outdoor unit connected?
4) Are there any obstacles around Motor or Propeller?
5) Is Motor Driver out of order?
2. Inspection order
Check fan is locked
Is the connection between Fan
and PCB proper?
Does the color of fire wire match?
Is the voltage of the
No.1 and No. 3 pin of the CN71
between 250V~350V?
Is the voltage of the
No.1 and No. 3 pin of the
CN01 between 1V~5V?
Continue
4-26
Yes
Yes
Yes
No
Yes
Yes
No
No
No
Check if the outdoor unit's power
supply is defective
Is there any change in
the voltage of the no.13 pin of
the IC01 (MICOM)?
Yes
Replace the main PCB of the
outdoor unit
Remove the Fan lock
Reconnect the connector
Replace the Fan
No Replace the main PCB of
the outdoor unit
Defective MICOM
(continued on the back)
Samsung Electronics