Samsung Electronics; Auto Trial Operation Functions - Samsung AM072FXVAFH series Service Manual

9-1-2 Auto Trial Operation functions

1)Preliminary checking and Auto Trial Operation flow chart
(1) Preliminary checking
- Check the installation status : Outdoor and Indoor Unit piping, Communication, Power, Amount of refrigerant added, etc.
(2) Auto Trial Operation methods
(3) Other Precautions
- If the problem of more than one components at the same time occurs, accurate decisions can be difficult.
- If stop the Sub outdoor during the Auto Trial Operation by load conditions in status of module combination,
Outdoor Unit does not judge. (Undetermined)
- If the Outdoor Unit with a history of operation (Auto Trial Operation inclusion) :
Must be carried out Auto Trial Operation after 1 hour from final operation stopped.
(In this case, the vacuum mode of the air must maintain for more than 5 minutes.)
- Restart of Auto Trial Operation after troubleshoot the item that "Undetermined"

Samsung Electronics

"UP" DISPLAY
Pressing the K1 Tact Switch for a long time
Auto Trial Operation
Does error happen?
Yes
Resulting report of Auto Trial Operation
will be issued
Does display the "Undetermined"?
No
Complete
Yes
Refer to How to troubleshoot of the
"Undetermined" (Refer to Service Manual)
Auto Trial Operation restart and then
resulting report of Automatic Commissioning
Yes
No
Installation specialty store / Service inquiries
Test Operation
will be issued.
Does display
the error or "Undetermined"?
Yes
9-3