Outdoor Unit Pba Communications Error - Samsung AF28FVSDA N Series Service Manual

Troubleshooting

4-4-11 Outdoor unit PBA communications error

Indoor unit display
Outdoor unit display
1. Cause of malfunction
1) Faulty communication between micom of outdoor unit PBA
2) Problematic outdoor unit PBA
2. Check procedure
Pull out power cords for the indoor unit
and the outdoor unit
After removing the ass'y control out cover,
plug in the power cords for the indoor unit
and the outdoor unit and turn power on
Does the outdoor unit PBA error
display match that of E203?
Replace outdoor unit PBA
(A new EEPROM ic must be inserted)
S equipment claims must be made at a service center for the EEPROM ic.
Please refer to page 4-33 for equipment code.
4-20
○(YEL) ○(GRN) ●(RED)
Yes
No
Check for normal operation and then end
Samsung Electronics