Troubleshooting
4-20 Samsung Electronics
4-4-11 Outdoor unit PBA communications error
Indoor unit display
Outdoor unit display
○
(YEL)
○
(GRN)
●
(RED)
1. Cause of malfunction
1) Faulty communication between micom of outdoor unit PBA
2) Problematic outdoor unit PBA
2. Check procedure
Replace outdoor unit PBA
(A new EEPROM ic must be inserted)
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
Check for normal operation and then end
No
Does the outdoor unit PBA error
display match that of E203?
Pull out power cords for the indoor unit
and the outdoor unit
Yes
S equipment claims must be made at a service center for the EEPROM ic.
Please refer to page 4-33 for equipment code.
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