Case Study - E206 (Internal Communication Error Of The Outdoor Unit C-Box) - Samsung AM080FXWANR Service Manual

Troubleshooting
4-4 Case study for trouble shoots (cont.)
4-4-7 Case study – E206 (Internal communication error of the outdoor unit C-box)
Outdoor unit
display
Duct, Cassette (1/2 Way),Console, Celing
Operation Defrost Timer Fan
Indoorunit
display
×
※ ● : ON ◑ : Flash ×: OFF
Judgment
∙ PBA does not respond to the invoked Main PBA
Method
Cause of
∙ C-Box internal Inverter PBA, Fan PBA, Hub PBA defective
problem
1) Poor connection of communication wiring and connector
Possibility
2) Defect of related electric component
* Reference
E206- C001 : HUB PBA communication error / E206-C002 : FAN PBA communication error
E206- C003 : INV1 PBA communication error / E206-C004 : INV2 PBA communication error
E206- C005 : Water Hub PBA communication error
Main PBA
Samsung Electronics
Filter/
Operation Defrost Timer Filter Operation Timer Turbo 24℃
MPI
× ◑ ◑ ×
Hub PBA
Cassette (4/Mini4 Way)
× ◑ ◑ ×
Wall-mounted (NeoForte)
× × ◑ ◑
Inverter PBA
27℃
×
151