Samsung AQ09VFUAGM/CV, Service Manual

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12-2
1
Comp Vlimit error/Comp current limit error
Indoor display
ሱ ل ሱ
Outdoor error
Outdoor display ሱ م ل
Comp Vlimit error/Comp current limit
error
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?
2. Troubleshooting procedure
Is the O.C error occurred? Terminate the service
NO
YES
Is the connec Ɵ on of compressor
wire is normal?
YES
Is the compressor body and
interphase resistance insulated?
NO
Exchange the Outdoor PBA
Connect the comp wire normally
YES
NO
Exchange the compressor
Is the O.C error occurred again?
Terminate the service
NO
YES
Restart a
Ō
er power o
ī
.
Is the condi
Ɵ
on of indoor/outdoor
temperature normal load?
Restart a
Ō
er returning to the normal load
YES
NO
Is the O.C error
occurred again? Terminate the
service
YES
NO
Is the posi
Ɵ
on of temperature
sensor and sensing value normal?
Correct the sensor posi
Ɵ
on or exchange the sensor
YES
NO