Samsung AQ09VFUAGM/CV Service Manual page 87

Heatsink sensor error/Heatsink over heat
Indoor display
Outdoor display
1.Checklist :
1) Are there screws assembly in PBA-heatsink?
2) Is the gap PBA-heatsink
3) Is the fan operation normal?
4) Is the cover assembly in conrol-box normal?
2. Troubleshooting procedure Restart a er power o .
Are there screws in PBA-heatsink?
(4 screws)
YES
Is the fan opera on normal?
YES
Exchange the Outdoor PBA
12-20
Outdoor error
Heatsink sensor error
Heatsink over heat error
NO
NO
Fastening the screw
Check the fan connec on
Change the Fan motor