Heatsink Sensor Error/Heatsink Over Heat - Samsung AQV18UGAX Service Manual

12-2-19.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 after power off.
Are there screws in PBA -heatsink?
(4 screws)
YES
Is the fan operation normal?
YES
Exchangethe Outdoor PBA
12-20
Outdoor error
○ ⊙
⊙ ● Heatsink sensor error
● ⊙ Heatsink over heat error
NO
NO
Fastening the screw
Check the fan connection
Change the Fan motor