Samsung AR18NSFPEWQNEU, Service Manual

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10-20 Samsung Electronics
10-2-17 I_trip error, PFC over current
Indoor display
3-LED DISPLAY
7-SEG DISPLAY
DESCRIPTION
LED1 LED2 LED3
E462 AC Input I_Limit Trip Error
Outdoor display
AC Input I_Limit Trip Error
LED ON LED BLINKING LED OFF
1. Checklist :
1) Is the PFC Shunt("R410,R411") 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 temperature sensor separation or measurement value error?
4) Is the interphase resistance of compressor normal?
2. Troubleshooting procedure
Rest
Exchange the Outdoor PBA
Is the conditio ndoor/outdoor
temperature normal load?
Is the position of
temperature sensor and the sensing
value normal?
Is the connection
cable for the compressor and power
terminal normal?
NO
NO
NO
Restart after returning to the normal load
Is the I_trip error
occurred again?
Terminate the
service
Correct the sensor position or
exchange the sensor
Correct the cable connection
YES
YES
YES
YES
NO