Samsung AR12HSSDBWKNEU Service Manual page 82

10-2-17 I_trip error, PFC over current
Indoor display
3-LED DISPLAY
LED1 LED2
Outdoor display
LED ON LED BLINKING
1. Checklist :
1) Is the PFC Shunt("A") resistance value correct? Check the resistor is opened
2) Is the condition of surrounding temperature abnormal overload?
3) Is there any problem as like the temper ature sensor separation or measurement value error?
4) Is the interphase resistance of compressor normal?
2. Troubleshooting procedure
Restart after power off.
Is the condition of indoor/outdoor
temperature normal load?
temperature sensor and the sensing
Is the connection
cable for the compressor and power
terminal normal?
Exchange the Outdoor PBA
10-20
LED3
LED OFF
YES
Is the position of
value normal?
YES
YES
7-SEG DISPLAY
E462
AC Input I_Limit Trip Error
AR09(12)HSSFAWKNEU
AR09(12)HSSFBWKNEU
AR12HSSFMWKNAX
NO
Restart after returning to the normal load
YES Is the I_trip error
occurred again?
Correct the sensor position or
NO
exchange the sensor
NO
Correct the cable connection
DESCRIPTION
AC Input I_Limit Trip Error
MODEL "A"
R425,R426
R425,R426
R425,R426
Terminate the
NO
service
Samsung Electronics