Internal Pcb Communication Error Of The Outdoor Unit C-Box - Samsung AM032MNQDCH/AA Service Manual

Troubleshooting

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)
Replace Hub PCB
E206 C002
Lighting of Fan PCB LD41 did confirmation?
Is Fan PCB CN13 connector accurately connected?
Replace Fan PCB
(Fan PCB TX part : Breakage)
4-70
(Reservation) (Blast) ×(Filter) ×(Defrost)
Yes
Yes
Yes
No
Replace Connection wire
No
Check the connection status
(CN12 connector)
No
Fan PCB CN13 connection
Samsung Electronics