Leave the unit unpowered for 5 to 10 minutes to allow the internal capacitors to drain completely.
For PLCs where you want to preserve the program but remove the password, you need a special utility known as or a Bootloader Injection . fatek plc password crack fix
Older Fatek communication protocols (like Fatek Serial Mode) transmit the password across the serial or Ethernet line in plaintext or weak obfuscation. Anyone with a network sniffer (like Wireshark) can capture the packets and extract the password. Leave the unit unpowered for 5 to 10
Fatek Microelectronics continuously releases firmware patches to address security bugs and improve encryption. fatek plc password crack fix