Current Sensor Error/Input Current Sensor Error - Samsung AQV18UGAX Service Manual

12-2-18.Current sensor error/Input current sensor error

Indoor display
Outdoor display
1.Checklist :
1) Is the PFC Shunt(ASV18P**:R062,R063,ASV24P**:R807,R808,R809) resistance value correct? Check the resistor is opened
2) Is the IPM Shunt(ASV18P**:R451,R452,R453,ASV24P**:R413,R414,R415) resistance value correct? Check the resistor is opened
3) Is there no short or open around IC451(ASV18P**) or IC451,IC452(ASV24P**)?
2. Troubleshooting procedure
Restart after
Is the PFC shunt and IPM shunt
resistance value correct?
Is the current sensor error
appeared again?
Exchangethe Outdoor PBA
⊙ ○ ⊙
⊙ ⊙ ●
power off.
YES
YES
Outdoor error
Current sensor error/Input
sensor error
NO
NO
current
Exchangethe Outdoor PBA
Terminate the service
12-19