Samsung AR18NSFPEWQNEU Service Manual page 72

10-2-16 DC_link voltage under/over error, H/W DC-link Over voltage protection error/PFC over load
Indoor display
3-LED DISPLAY
LED1 LED2
Outdoor display
LED ON LED BLINKING
1. Checklist :
1) Is the input voltage of outdoor terminal block is normal?
2) Is the input voltage is higher than 300Vac?
3) Is the reactor wire connected?
2. Troubleshooting procedure
Is the connected of reactor wire?
Is the the input voltage is nomal?
Normal range(180Vac ~ 270Vac)
Start the operation (cooling mode or heating mode)
("CE101,CE102,CE103") is normal in operation mode?
Normal range(280Vdc~320Vdc)
10-18
LED3
LED OFF
(PBA-Reactor)
YES
Rest
YES
Rest
Is the DC_link voltage
YES
7-SEG DISPLAY
E466 DC-Link voltage under/over error
E483
E484
DC-Link voltage under/over error
PFC over load
Over Voltage Protection Erro
NO
Connect the reactor wire
NO
Check the input power in the powercord.
NO
Check the input power
DESCRIPTION
Over Voltage Protection Error
PFC over load
Samsung Electronics