Lock read/write
| Error code | Error |
| 60 | Eprom factory initialize |
| 61 | Drill |
| 62 | Eprom housekeeping Write. |
| 63 | One mode of the lock is corrupted. Try another and remove from service. If all modes give 63 Drill. If powers up 63 then Drill. |
| 64 | Eprom Cust. Initialize |
| 65 | Eprom Error List Read |
| 66 | Eprom Error List Write |
| 67 | One mode of the lock is corrupted. Try another mode and remove from service. If all modes give 67 drill. If powers up 67 then Drill. |
| 68 | Eprom SMCS Write |
| 69 | Eprom Bank User Read (Lock could not read the key to memory) |
| 6A | Eprom Bank User Write (Lock could not write the opening into memory) |
| 6B | Occurs with older model of lock. User key-different key closing lock than which opened the lock. Some are key specific some are mode specific. |
| 6C | One mode of the lock is corrupted. If all modes give 6C drill. Try another mode once opened remove from service. If powers up 6C then Drill. |
| 6D | One mode of the lock is corrupted. If all modes give 6C drill. Try another mode once opened remove from service. If powers up 6C then Drill. |
| 6E | Eprom Delay-Data Write |
| 6F | Eprom Factory Initialize Read |