B12# (C4751i)

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B120Fax board soft errorSoft errorTurn OFF and ON the main power switch.Use the latest FW.Acquire the data saved in the storage from [Service Mode] -> [Debug Settings] -> [Debug Log Output].
B122Fax board errorModem-DAA initialize errorTurn OFF and ON the main power switch.Use the latest FW.Acquire the data saved in the storage from [Service Mode] -> [Debug Settings] -> [Debug Log Output].Replace the fax board.
B123Modem-DAA power save recovery error
B125ISW failure of SubCPU
B126Fax board soft errorTimeout of suspension process (Codec control)Turn OFF and ON the main power switch.Use the latest FW.Acquire the data saved in the storage from [Service Mode] -> [Debug Settings] -> [Debug Log Output].
B127Timeout of suspension process (communication control)
B128Timeout of suspension process (line control)

(Link to the Field Service Manual)