Samsung Electronics 10-17
10-2-15 DC_link voltage sensor error
Indoor display
3-LED DISPLAY
7-SEG DISPLAY
DESCRIPTION
LED1 LED2 LED3
E488 AC Input Voltage Sensor Error
◎
{
◎
Outdoor display
O
◎◎
AC Input Voltage Sensor Error
O
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 PFC resistor("A") value is normal? (Outdoor PBA)
2. Troubleshooting procedure
YES
YES
YES
Is the connected of reactor wire?
(PBA-Reactor)
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
Connect the reactor wire
Exchange the Outdoor PBA
Exchange the Outdoor PBA
MODEL "A" "B"
AR12(09)HSFSHWK R105,R106,R107,R108 R105
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