Samsung DVM S ECO BIG Series Service Manual page 59

■ Communication error on all PBA within the outdoor unit C-Box, communication cable error.
(E-206)
Outdoor unit Display
Indoor unit Display
Judgement Method
Cause of problem
Lighting of Fan PCB
LD41 did confirmation?
Is Fan PCB CN13
connector accurately
connected?
Replace Fan PCB
(Fan PCB TX part : Breakage)
Samsung Electronics
Duct, Cassette (1 / 2Way), Console, Ceiling
Operation
×
Cassette (4Way / Mini 4Way)
Operation
×
Duct, Cassette (1/2 Way), Console, Ceiling
Operation
×
• PCB does not respond to the Main PCB call.
• C-Box internal Inverter PCB, Fan PCB, Hub PCB defective.
Yes
Yes
E-206
Defrost Timer
◑
×
Defrost Timer
◑
◑
Timer Turbo
◑
×
※ ● ◑
: ON : Flash ×: OFF
No
Check the connection status (CN12 connector)
No
Fan PCB CN13 connection.
Troubleshooting
Fan Filter / MPI
◑
×
Filter
×
24°C 27°C
◑
×
4-17