Samsung AR09HSSDBWKNEU, Service Manual

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10-16 Samsung Electronics
10-2-14 DC_link voltage sensor error
Indoor display
3-LED DISPLAY
7-SEG DISPLAY
DESCRIPTION
LED1 LED2 LED3
E469 DC_link voltage sensor error
◎ ◎
Outdoor display
◎ ◎ DC_link voltage sensor error
LED ON
◎
LED BLINKING LED OFF
1. Checklist :
1) Is the input voltage of outdoor terminal block is normal?
2) Is the reactor wire connected?
3) Is the DC_link capacitor("A") assembled in accordance the specification? (Outdoor PBA)
4) Is the DC_link resistor("B") value is normal? (Outdoor PBA)
2. Troubleshooting procedure
YES
YES
YES
YES
Is the connected of reactor wire?
(PBA-Reactor)
Is the DC_link
voltage ("A") is normal in operation mode?
Normal range(280Vdc~320Vdc)
Is the DC_link
sensing voltage("B") is normal in operation mode?
Normal range (0.2Vdc~4.8Vdc)
Is the reactor insulation damaged?
Restart after power off.
Start the operation (cooling mode or heating mode)
Exchange the Reactor
NO
NO
NO
NO
Connect the reactor wire
Check the power input
Exchange the Outdoor PBA
Exchange the Outdoor PBA
" B " " A " L E D O M
AR09HSSDBWKXEU CE101,CE102,CE103 R410,R411,R412
AR12HSSDBWKNEU CE101,CE102,CE103 R410,R411,R412
AR12HSSDRWKNER CE101,CE102,CE103 R410,R411,R412