Training Your Staff | 3M Library Security System |
Problem | Cause | Action |
|
|
|
Infrequent unwanted | Miscellaneous metallic objects. | Infrequent, unwanted alarms are |
alarms. |
| considered acceptable. |
|
|
|
| Protected material from other library | Identify material that caused alarm. |
| or retail store. |
|
|
|
|
| Failure to desensitize strip properly. | Check operator training procedures. |
|
|
|
Frequent (daily) unwanted | Failure to desensitize strip properly. | Follow correct |
alarms. |
| outlined in 3M literature. Check |
|
| operator training procedures. |
|
|
|
| Metallic object located too close to | Remove, maintain a minimum distance |
| system. | of 3 feet. |
|
|
|
| System failure. | Place service call. Code number, if any, |
|
| will be needed. |
|
|
|
Reduced coverage, no | Metallic object located too close to | Remove, maintain a minimum distance |
alarm. | system. | of 3 feet. |
|
|
|
| Incomplete | Retest by walking completely through |
|
| the corridor. The light beam between the |
|
| photocell and the reflector in the |
|
| corridor must be interrupted. |
|
|
|
| Strip not detected. | Retest marked object. |
|
|
|
| System failure. | Place service call. Code number will be |
|
| needed. |
|
|
|
Diagnostic code 7 in | Metallic object located too close to | Move metal object or system until |
window. | lattice. Examples: metal window or | minimum distance is approximately 3 |
| door frames, desks, counters, | feet. |
| shelves, waste baskets, etc. |
|
|
|
|
Diagnostic code 8 in | Excessive electrical/electronic | Decrease interference from device: |
window. | interference, generally caused by | Move device farther away from system. |
| devices such as computers, CRTs, | Turn device off. |
| copiers, electronic fluorescent lights. | Use device with lower emissions. |
|
| Shield device. |
|
|
|
E 3M 1999 September |