Samsung AVXC1H022 series Service Manual page 284

I High Pressure Sensor Error (Open/Short)
Outdoor unit display
Indoor unit display
Judgment method
Causes
✳ Low pressure/High pressure sensor open/short error detection method
✳
1. During the oil collection operation, omit the error detection and start the detection after 5 minutes from the completion of
the operation.
✳
2. During the safety starting operation, omit the error detection and start the detection after 5 minutes from the completion
of the operation.
✳
3. During the defrost operation, omit the error detection and start the detection after 5 minutes from the completion of the
operation.
✳
4. Short error detection: Detect an error if under 0.4V.
✳
5. Omit the low pressure sensor error detection when the refrigerant charging and collection operation.
I Low Pressure Sensor Error (Open/Short)
Outdoor unit display
Indoor unit display
Judgment method
Causes
✳ Low pressure/High pressure sensor open/short error detection method
✳
1. During the oil collection operation, omit the error detection and start the detection after 5 minutes from the completion of
the operation.
✳
2. During the safety starting operation, omit the error detection and start the detection after 5 minutes from the completion
of the operation.
✳
3. During the defrost operation, omit the error detection and start the detection after 5 minutes from the completion of the
operation.
✳
4. Short error detection: Detect an error if under 0.4V.
✳
5. Omit the low pressure sensor error detection when the refrigerant charging and collection operation.
Samsung Electronics
(Operation) (Timer)
Refer to the below judgment method
Open or short of the corresponding sensor
(Operation) (Timer)
Refer to the below judgment method
Open or short of the corresponding sensor
(Fan) (Filter) (Defrost)
(Fan) (Filter) (Defrost)
Troubleshooting
9-40