Dc_Link Voltage Sensor Error - Samsung AR09HSFSHWKNCV Service Manual

10-2-14 DC_link voltage sensor error

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 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
Is the connected of reactor wire?
Start the operation (cooling mode or heating mode)
voltage ("A") is normal in operation mode?
Normal range(280Vdc~320Vdc)
sensing voltage("B") is normal in operation mode?
Normal range (0.2Vdc~4.8Vdc)
Is the reactor insulation damaged?
10-16
LED3
LED OFF
(PBA-Reactor)
YES
Restart after power off.
Is the DC_link
YES
Is the DC_link
YES
YES
Exchange the Reactor
7-SEG DISPLAY
E469
DC_link voltage sensor error
MODEL
AR12(09)HSFSHWK
AR18HSFSHWK
AR24HSFSHWK
NO
Connect the reactor wire
NO
Check the power input
NO
Exchange the Outdoor PBA
NO
Exchange the Outdoor PBA
DESCRIPTION
DC_link voltage sensor error
"A"
CE101,CE102,CE103 R410,R411,R412
CE001,CE002,CE003,CE004 R413,R414,R415
C141,C142,C143,C144
Samsung Electronics
"B"
"-"