Internal Pcb Communication Error Of The Outdoor Unit C-Box - Samsung AM080xXV Series Service Manual

4-3-7 Internal PCB Communication error of the Outdoor Unit C-Box

Outdoor unit
display
Duct, Cassette (1/2 Way),Console, Celing
Operation Defrost
Indoorunit
×
display
※ ●: ON ◑: Flash ×: OFF
Judgment
∙ PCB does not respond to the invoked Main PCB
Method
Cause of
∙ C-Box internal Inverter PCB, Fan PCB, Hub PCB defective
problem
1. Cause of problem
E206 C001
Does E205 occur after 1 minute?
When happen, refer to how to check E205.
E206 C002
Is INVERETER PCB CN13 connector and
EMI PCB CN23 connector accurately
Does INVERETER PCB LD22 (LED) blink?
Is INVERETER PCB CN31, CN91
connector and FAN PCB CN501 connector
accurately connected?
Replace the FAN PCB
Samsung Electronics
(C001 ~ C004) - some boards of outdoor unit are not communicating
Timer Fan Filter/MPI Operation Defrost
× ◑ ◑
Yes
connected?
Yes
Yes
Yes
Cassette (4/Mini4 Way)
× × ◑
No
No
No
No
Wall-mounted (NeoForte)
Timer Filter Operation
◑ × ×
HUB PCB replace if E206 C001 is continued..
Check the wire connection status.
Replace the NVERETER PCB.
Check the wire connection status.
Troubleshooting
Timer Turbo
◑ ◑
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