Samsung AR TSFY WKNCV Series, Service Manual

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9-13
10-2-12 Current sensor error/Input current sensor error
Indoor display
7-SEG DISPLAY DESCRIPTION
C462 AC Input I_Limit Trip Error
Outdoor display
̻ ୙ ̻
Current sensor error
Input current sensor error
̻
LED ON
୙
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
NO
NO
YES
YES
Restart after power off.
Is the PFC shunt and IPM
shunt resistance value correct?
Is the current sensor error appeared again?
Exchange the Outdoor PBA
Exchange the Outdoor PBA
Terminate the service