Heatsink Sensor Error/Heatsink Over Heat - Samsung AR09KSWSPWKNCV Service Manual

10-2-19 Heatsink sensor error/Heatsink over heat

Indoor display
3-LED DISPLAY
LED1 LED2
◎
Outdoor display
◎ ◎
◎
LED ON LED BLINKING
◎
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 control-box normal?
2. Troubleshooting procedure
Restart after power off.
Are there screws in PBA-heatsink?
Is the fan operation normal?
Exchange the Outdoor PBA
10-22
LED3
◎
LED OFF
(4 screws)
YES
YES
7-SEG DISPLAY
E474
E500
Heatsink sensor error
Heatsink Over Temperature Error
NO
Fastening the screw
Check the fan connection
NO
Change the Fan motor
DESCRIPTION
Heatsink sensor error
Heatsink Over Temperature Error
Samsung Electronics