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To unlock a Koyo PLC (distributed by AutomationDirect ) when the password is lost, you must typically perform a factory reset , which will erase the existing program
Confirm the action to remove all password protections and logic. Method 3: Official Manufacturer Support
: Even if you successfully unlock a Koyo PLC to upload the program, the uploaded code will not contain comments, rung descriptions, or tag names . These are stored in the original DirectSOFT project file on a PC, not in the PLC hardware itself.
: Try simple combinations like A1234567 , A1111111 , or the equipment's model or serial number if it fits the 8-character format. 3. Advanced Recovery Strategies (No Data Loss)
To unlock a Koyo PLC (distributed by AutomationDirect ) when the password is lost, you must typically perform a factory reset , which will erase the existing program
Confirm the action to remove all password protections and logic. Method 3: Official Manufacturer Support
: Even if you successfully unlock a Koyo PLC to upload the program, the uploaded code will not contain comments, rung descriptions, or tag names . These are stored in the original DirectSOFT project file on a PC, not in the PLC hardware itself.
: Try simple combinations like A1234567 , A1111111 , or the equipment's model or serial number if it fits the 8-character format. 3. Advanced Recovery Strategies (No Data Loss)