Comp Vlimit Error/Comp Current Limit Error - Samsung AQV09UWLNXSA Service Manual

12-2-20 Comp Vlimit error/Comp current limit error

Indoor display
⊙
Outdoor display
1.Checklist :
⊙
1) Is the IPM Shunt(A*V18***:R451,R452,R453,A*V24***:R413,R414,R415) 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?
Restart a er power off.
Is the O.C error occurred?
Is the connec on of compressor
Is the O.C error occurred again?
Is the condi on of indoor/outdoor
temperature normal load?
Is the posi on of temperature
sensor and sensing value normal?
Is the compressor body and
interphase resistance insulated?
Exchange the compressor
12-23
Outdoor error
○ ⊙
Comp Vlimit error/Comp current limit
error
● ○
YES
wire is normal?
YES
YES
YES
YES
NO
NO
Terminate the service
NO
Connect the comp wire normally
NO
Terminate the service
NO
Restart a er returning to the normal load
YES
Is the O.C error
occurred again?
NO
Correct the sensor posi on or exchange the
sensor
YES
Exchange the OutdoorPBA
NO
Terminate the
service