Samsung AM048FXMDCH - Error Due to Overheated IPM of Fan1. (E-455)

52 Samsung Electronics
3-18. Error due to overheated IPM of Fan1. (E-455)
Outdoor unit Display E-455
Judgement Method t*1.JOUFSOBMUFNQFSBUVSFNPSFUIBO¡$
Cause of problem
t)FBUTJOLBOE*1.BTTFNCMZEFGFDUJWF
t%FGFDUJWFIFBUTJOLDPPMJOH
Power Off
Did check
the foreign objects between the
heat sink pin?
Is the bolt of the heat sink fully tightened?
Did check the
foreign objects between the heat
sink and IPM?
Complete.
Remove foreign objects
*Cold heat sink assembly defect occurs
Tighten Bolt.
Remove foreign objects and apply the heat sink
grease and then reassembly.
Yes
No
Yes
Yes
Yes
No
No