Test Operation
Samsung Electronics 305
4) Valid temperature range for Auto Trial Operation
temperatures.
- In the area of deviant crease lines, system protective control may activate during Auto Trial Operation.
Protective control degrades the inspection accuracy.
- Inspection accuracy may decrease if the temperature is outside the valid range or at the threshold.
5) How to perform Auto Trial Operation
- The operation mode automatically changes to cooling or heating mode, according to the indoor and outdoor temp.
- Noise may occur during valve inspection. Check the valve if an abnormal noise persists.
- UP mode automatically turns off as soon as Auto Trial Operation is completed.
(2) If an error occurs during Auto Trial Operation, check the error code and take corrective measures.
- Auto Trial Operation-specific error codes.
(see the error codes and troubleshooting guide in the service manual for other error codes.)
Error code Description Remarks
E503 Ball valve (service valve) locked To resolve NG items, see the troubleshooting instructions on the ball valve.
E505 Faulty high pressure sensor
To resolve NG items, see the troubleshooting instructions on the pressure sensor.
E506
(3) After Auto Trial Operation, use the S-NET or S-CHECKER to issue a result report.
- For items indicated as "NG" in the result report, take corrective measures according to the troubleshooting instructions on
NG items in this Manual.
See the service manual if necessary.
- After resolving all the "NG" items, perform Auto Trial Operation again.
- Items indicated as "Unidentified" are not items that have issues.
Some items are not inspected, depending on the installation environment and operation condition.
These items are indicated as "Unidentified".
Cooling
Heating
Outdoor Temperature (°C)
Indoor Temperature (°C)
<AM072-240BXV***>
9-1 Auto Trial Operation (cont.)
9-1-1 Overview of Auto Trial Operation (cont.)
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