Troubleshooting
4-12 Samsung Electronics
4-3-4 Internal PCB Communication error of the Outdoor Unit C-Box
Outdoor unit display
Indoorunit display
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
Replace Hub PCB
Replace Fan PCB
(Fan PCB TX part : Breakage)
Replace Connection wire
Check the connection status
(CN12 connector)
Fan PCB CN13 connection
No
No
No
Yes
Yes
Yes
Connection wire of
Hub PCB/Main PCB did confirmation?
(Verify the broken wire)
Lighting of Fan PCB LD41 did confirmation?
Is Fan PCB CN13 connector accurately connected?
E206 C001
E206 C002
Duct, Cassette (1/2 Way),Console, Celing Cassette (4/Mini4 Way) Wall-mounted (NeoForte)
Operation
Defrost Timer Fan Filter/MPI
Operation
Defrost Timer Filter
Operation
Timer Turbo
24℃ 27℃
× × ◑ ◑
×
× ◑ ◑ × × × ◑ ◑ ×
※ ● : ON ◑ : Flash × : OFF
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