Samsung Electronics 420
Test Operation
9-1-2 Auto Trial Operation Flow Chart
1) Auto Trial Operation Flow Chart
Perform preliminary inspection.
Perform Auto Trial Operation
- See the instructions on Key operation modes.
Error occurred?
Issue a report on the Auto Trial Operation result.
Is there an inspection
item indicated as “NG”?
Perform Trial Operation (cooling/heating)
- See the instructions on Key operation modes.
Is there an inspection
item that has an issue?
Inspection is complete.
Take corrective measures to resolve the issue.
(See the Service Manual)
Take corrective measures to resolve
the error and NG items.
(See the troubleshooting instructions
on NG items and the Service Manual)
Perform Auto Trial Operation again
Perform Trial Operation again
Yes
Yes
Yes
No
No
No
■ Precautions
- If issues occur on multiple components at the same time, the inspection accuracy may degrade.
- Items indicated as "Unidentified" in the result report 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”.
- After resolving an error and NG items, be sure to perform Auto Trial Operation again.
- To perform Auto Trial Operation again, wait until the pressure sensor and indoor/outdoor thermistors become stable.
The same applies when performing Auto Trial Operation after a compressor is operated (generally, leave idle for at least one hour).
Starting the operation when the pressure sensors and thermistors are not stable can degrade the inspection accuracy.
9-1 Auto Trial Operation (cont.)
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