Change Pin for a User, Master and Super Master in Auditcon 2 Series - Models 252 & 552 February 20, 2026 16:03 Updated Change Pin for a User, Master and Super Master in Auditcon 2 Series - Models 252 & 552Power the lock. You'll see flashing green and red and hear a sound. Press # and then 1. You'll see flashing green and red. Enter combination (User ID + PIN) of user for which PIN is to be changed. You'll see flashing green and red.Enter new combination (User ID + PIN) for user. You'll see flashing green and red. Enter new combination (User ID + PIN) again for verification. You'll see flashing green and red twice. Applies ToAuditcon Models 52 & T52 Related to Auditcon Download Article