Samsung RVXVHT080 series - Troubleshooting Common Errors; Outdoor Unit Operating Flow and Error Detection

Samsung Electronics9-1
9. Troubleshooting
9-1 Operating flow of outdoor unit
E201 error(tracking error)
Yes
Yes
Power on
Tracking completed?
Yes
No
Preheating CCH
(For 2.5 hours)
Yes
Is preheating of CCH completed?
No
E425 error (reverse phase/
open phase error)
Is 3 phase power OK?
No
Normal operation