Time: always
Frequency: always
World name: Ragnarock/Chocobo/Others
Character name: Any
NPC name: NA
Monster name: NA
Class/Level: Any
Party or solo: Any
In-game time: Any
Area and coordinates: Any
Peripheral: PS3 keyboard, ITALIAN keys
Steps:
Press Left Blue Shoulder button on keypad +"Z". It's the key combination for getting ">". Instead I always get "><". This happens in any world I checked and works just fine in the PS3 GUI.

It's the Italian keypad, it might be related to that.