Samsung AM024FNLDCH/AA - Momentary Blackout error

Troubleshooting
4-110 Samsung Electronics
4-4-67 Momentary Blackout error
1. Precautions : Replace Hub PCB or Main Hub Connection wire.
Outdoor Unit Display
Indoor Unit Display ×
(
Operation
)
ስ
(
Reservation
)
ስ
(
Blast
)
ስ
(
Filter
)
×
(
Defrost
)
Judgment Method  Momentary stop of compressor due to momentary blackout.
Cause of problem  Momentary stop of compressor due to momentary blackout.