121
[F31]
<Indication 1> <Indication 2>
[EEPROM failure]
Check code
Outdoor LED
indication
Check and Action procedure
(No specific description indicates outdoor unit parts.)
Check outdoor control board
If defective, replace it
PC-Board
803 to 1403H-E (MCC-1571)
1103 to 1603H8(R)-E (MCC 1599)