Troubleshooting
Samsung Electronics 4-37
Internal PCB Communication error of the Outdoor Unit C-Box (cont.)
1. How to check
Replace Water Hub PCB
Replace connection wire
Connect power to main PCB.
If connection of power is normally, replace the Main PCB.
No
No
Yes
Yes
Connection wire of Water Hub PCB / Main PCB did
confirmation? (Check the broken wire)
Is power supplied to main PCB?
Check the 7 Seg lights.
E206 C005
Check the connector connection of Main PCB
CN305 and Inverter PCB CN351
communication wire.
Check the input terminal connection status.
(L and N of Inverter PCB)
Replace Inverter PCB
(Inverter PCB TX part : Partial breakage)
Check the wire connection
status
[CN91 connector]
No
Yes
Is LED151 of Inverter PCB blinking?
E206 C003
غ AM038/048/055KXWD
✳✳
Outdoor unit display
Indoorunit display
Duct, Cassette (1/2 Way),Console, Celing Cassette (4/Mini4 Way) Wall-mounted (NeoForte)
Operation
Defrost TimerFan Filter/MPI
Operation
Defrost Timer Filter
18℃ 21℃
Timer
24℃ 27℃
××◑◑
×
×◑◑×××◑◑×
※ ● :
ON
◑ :
Flash
× :
OFF
Judgment Method
PCB does not respond to the invoked Main PCB.
Cause of problem
C-Box internal Inverter PCB, Fan PCB, Hub PCB def ective.
To Next Page
Loading...
