Internal Pcb Communication Error Of The Outdoor Unit C-Box - Samsung AM009FN1DCH/AA Service Manual

4-4-27 Internal PCB Communication error of the Outdoor Unit C-Box

Outdoor unit display
Indoorunit display ×(Operation)
Judgment Method · PCB does not respond to the invoked Main PCB
Cause of problem
· C-Box internal Inverter PCB, Fan PCB, Hub PCB defective
1. Cause of problem
E206 C001
Connection wire of
Hub PCB/Main PCB did confirmation?
(Verify the broken wire)
E206 C002
Lighting of Fan PCB LD41 did confirmation?
Is Fan PCB CN13 connector accurately connected?
(Fan PCB TX part : Breakage)
Samsung Electronics
(Reservation)
Yes
Replace Hub PCB
Yes
Yes
Replace Fan PCB
(Blast) ×(Filter) ×(Defrost)
No
No
No
Troubleshooting
Replace Connection wire
Check the connection status
(CN12 connector)
Fan PCB CN13 connection
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