I"ve buy wellon VP-390 to remplace Willem GQ-3X and work on chip 29Fx00.

I"ve problem because he doesn"t work to read this chip. I"ve adapter for this chip.

I can"t make check blank, write or other.

I try update sofware but now I"ve an error and nothing work.

Before I could see the pin check but now, nothing.

Please, have you an idea for me or another methode to update the firmware programmer ?

Thank you