Error Due To Overheated Ipm Of Fan1. (E-455) - Samsung AM053FXMDCH Service Manual

3-18. Error due to overheated IPM of Fan1. (E-455)

Outdoor unit Display
Judgement Method
Cause of problem
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?
52
Power Off
Yes
Did check
Yes
Yes
Yes
Complete.
E-455
No
Remove foreign objects
*Cold heat sink assembly defect occurs
No
Remove foreign objects and apply the heat sink
No
grease and then reassembly.
Tighten Bolt.
Samsung Electronics