Current Sensor Error/Input Current Sensor Error - Samsung AC026NNNDKH Service Manual

4-4-13 Current sensor error/Input current sensor error

1. Checklist :
1) Is the PFC Shunt(PF2:R062,R063,PF3:R807,R808,R809) resistance value correct? Check the resistor is opened
2) Is the IPM Shunt(PF2:R451,R452,R453,PF23:R413,R414,R415) resistance value correct? Check the resistor is opened
3) Is there no short or open around IC451(PF2) or IC451,IC452(PF3)?
2. Troubleshooting procedure
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
Samsung Electronics
Yes
Yes
Yes
No
Exchange the Outdoor PBA
No
Terminate the service
4-39