Sunlight Supply Samsung Programmable Thermostat for Split Systems - Manual (Page 82)

12-1
5
O.C(Over Current) error
Indoor display ሱ ل ሱ Outdoor error
Outdoor display ل ل ሱ Comp starting 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 Ɵon 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 Ōer power oī.
Is the condi Ɵon of indoor/outdoor
temperature normal load?
Restart a Ōer returning to the normal load
YES
NO
Is the O.C error
occurred again? Terminate the
service
YES
NO
Is the posi Ɵon of temperature
sensor and sensing value normal?
Correct the sensor posi Ɵon or exchange the sensor
YES
NO