Samsung AM080FXWANR - Internal PBA Communication Error of the Outdoor Unit C-Box

Troubleshooting
Samsung Electronics 89
Outdoor unit
display
(C001 ~ C005)
- some boards of outdoor unit are not communicating
Indoorunit
display
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
ϧϧስስϧϧስስϧϧስስ
※ ● : ON ◑ : Flash ×: OFF
Judgment
Method
∙ PBA does not respond to the invoked Main PBA
Cause of
problem
∙ C-Box internal Inverter PBA, Fan PBA, Hub PBA, Water Hub PBA defective.
4-3-7 Internal PBA Communication error of the Outdoor Unit C-Box
1.
Cause of problem
When happen, refer to how to check E205.
Replace the FAN PBA
HUB PBA replace if E206 C001 is continued..
Check the wire connection status.
Replace the NVERETER PBA.
Check the wire connection status.
No
No
No
No
Yes
Yes
Yes
Yes
Does E205 occur after 1 minute?
Is INVERETER PBA CN13 connector and
EMI PBA CN23 connector accurately
connected?
Does INVERETER PBA LD22 (LED) blink?
Is INVERETER PBA CN31, CN91
connector and FAN PBA CN501 connector
accurately connected?
E206 C001
E206 C002
4-3 Appropriate Measures for Different Symptom (cont.)