Description: DC_link voltage sensor error. Checklist: Is the input voltage of outdoor terminal block is normal? Is the reactor wire connected? Is the PFC resistor(“A”) value is normal? (Outdoor PBA) Troubleshooting Procedure
Description: DC_link voltage sensor error. Checklist: Is the input voltage of outdoor terminal block is normal? Is the reactor wire connected? Is the DC_link capacitor(“A”) assembled in accordance the specification? (Outdoor PBA) Is the DC_link resistor(“B”) value is normal? (Outdoor PBA) Troubleshooting Procedure
Description: O.C(Over Current) error. IPM Over Current(O.C) Error. Checklist: Is the IPM Shunt resistance value correct? Check the resistor is opened Is the condition of surrounding temperature abnormal overload? Is there any problem as like the temperature sensor separation or measurement value error? Is the interphase resistance of compressor normal? Troubleshooting Procedure
Description: Compressor wire missing error/rotation error. Checklist: Is the connection of cable for the compressor? Is the compressor wire is connected clockwise? U(RED)-V(BLU)-W(YEL) Is the interphase resistance of compressor normal? Troubleshooting Procedure
Description: Compressor starting error. Checklist: Is the connection of cable for the compressor? Is the compressor wire is connected clockwise? U(RED)-V(BLU)-W(YEL) Is the interphase resistance of compressor normal? Troubleshooting Procedure