I am a novice when it comes to repair/diagnosis so be kind! I bought a VFX SD that has some on again off again issues. It freezes, glitches and everything in between. I get the calibration error message and the 144 error message. A hard reset seems to fix it (for now). I was wondering, if it is a key-bed calibration issue, can I just detach the key-bed entirely and use it as a module?