LG G4F-AD3A - Manual (Page 66)

Chapter 7 Buffer read/write instructions
7 - 11
Remarks
The structure of ‘SS’ (Link status) of RPUT/RGET instruction is as following;
bit15 bit14 bit13 bit12 bit11 bit10 bit9 bit8 bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0
Bit 0 : Turns on during 1 scan after the communication is completed normally.
Bit 1 : Turns on during 1 scan after a communication error is occurred.
Bit 2 ~ 7 : Not used
Bit 8 ~ 15 : When the bit 1 turns on, the corresponding error code is stored.
Error code Error Done