Samsung Electronics
10-21
10-2-18 Current sensor error/Input current sensor error
Indoor display
3-LED DISPLAY
7-SEG DISPLAY
DESCRIPTION
LED1
LED2
LED3
Ƽ
Ƽ
E462
AC Input I_Limit Trip Error
Outdoor display
Ƽ
Ƽ
Current sensor error
Input current sensor error
LED ON
Ƽ
LED BLINKING
LED OFF
1. Checklist :
1) Is the PFC Shunt("A") resistance value correct? Check the resistor is opened
2) Is the IPM Shunt("B") resistance value correct? Check the resistor is opened
3) Is there no short or open around "C"?
2. Troubleshooting procedure
MODEL
"A"
"B"
"C"
DB92-02866A R426,R425
R410,R411,R412
IC451
DB92-02867A R063,R064,R065 R408,R409,R410
IC451
Restart after power off.
Exchange the Outdoor PBA
Is the PFC shunt and IPM
shunt resistance value correct?
Is the current sensor error appeared again?
NO
NO
Exchange the Outdoor PBA
Terminate the service
YES
YES