Troubleshooting; Operation Flow Of Outdoor Unit - Samsung AVMKH020EA4 Service Manual

11. Troubleshooting

11-1 Operation flow of outdoor unit

Tracking completed?
Is 3 phase power OK?
Is preheating of CCH completed?
11-1
Power on
Yes
Yes
Yes
Yes
Normal operation
No
E2 error(tracking error)
No
P4 error (reverse phase/
open phase error)
No
Preheating CCH
(For 2.5 hours)
Samsung Electronics