Oc (Overcurrent) Error - Samsung AR09FSSYAWTNEU Service Manual

12-2-1 o ver
n I o d r o d s i l p y a
Outdoor display Outdoor display
1.Checklist :
1) Is the IPM Shunt(R451,R452,R453) 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
Restart a er power Restart a er power Restart a er power Restart a er power Restart a er power Restart a er power
Is the O C error occurred? Is the O C error occurred? Is the O C error occurred? Is the O C error occurred? Is the O C error occurred?
Is the conne on of compressor Is the conne on of compressor Is the conne on of compressor Is the conne on of compressor Is the conne on of compressor
wire is normal? wire is normal? wire is normal? wire is normal? wire is normal?
Is the O C error occurred again? Is the O C error occurred again? Is the O C error occurred again? Is the O C error occurred again?
Is the co Is the co Is the co Is the co n o ndoor/outdoor n o ndoor/outdoor n o ndoor/outdoor n o ndoor/outdoor
temperature normal load? temperature normal load? temperature normal load?
YES YES YES
Is the posi Is the posi n o emperature n o emperature
sensor and sensing value normal? sensor and sensing value normal?
Is the compressor body and Is the compressor body and
interphase resistance insulated? interphase resistance insulated?
Exchange the compressor
Samsung Electronics
urrent error
4 E 4 6 . O ( C v O r e u C r r
O C(Over Current) error O.C(Over Current) error
YES YES YES YES YES
YES YES YES YES
YES YES YES YES
YES YES
NO NO
n e ) t e r r r o
NO NO NO NO NO
NO NO NO NO NO
NO NO NO NO
NO NO NO NO
YES YES YES
NO NO
YES YES
Terminate the service Terminate the service Terminate the service Terminate the service Terminate the service
Connec he comp wire normally Connec he comp wire normally Connec he comp wire normally Connec he comp wire normally Connec he comp wire normally
Terminate the service Terminate the service Terminate the service Terminate the service
Restart a Restart a Restart a returning to the normal load returning to the normal load returning to the normal load l l d
NO NO NO
Is the O C error Is the O C error Is the O C error Terminate the Terminate the Terminate the
occurred again? occurred again? occurred again? service service service
Correc he sensor posi Correc he sensor posi n or exchange the n or exchange the
Exchange the Outdoor PBA Exchange the Outdoor PBA
sensor sensor
12-2-13