Adjusting audible alarm and patron counter display

You can adjust the volume of the alarm by turning the control on top of Panel B.

Turning the control clockwise increases the volume.

The following settings can be adjusted to your preference during installation or service by 3M technicians:

Duration of alarm beeps Repetition rate of alarm beeps Patron counter display intensity

Troubleshooting

Volume

Control

Photocell

Lens

Panel A

Panel B

8800_OM_004

Figure 5. Alarm Volume Control and Photocell Lens Location

Problem

Cause

Action

No alarm, no patron count, no

No power at outlet

Reset facility circuit breaker.

diagnostic code in display

 

 

System unplugged

Plug in the power cord and wait 10 seconds for

window

 

full operation.

 

 

 

 

 

No alarm

Tag unsecured

Test system with another library item known to

 

 

have a secured tag.

 

 

 

Infrequent unwanted alarms

Protected material from

Identify material that caused the alarm.

 

another library

 

 

 

 

 

Failure to unsecure

Follow correct checkout procedures outlined in

 

tags properly

3M literature.

 

 

Check operator training procedures.

 

 

 

Frequent (daily) unwanted alarms

Failure to unsecure

Follow correct checkout procedures outlined in

 

tags properly

3M literature.

 

 

Check operator training procedures.

 

 

 

 

System failure

Place service call to 3M.

 

 

 

Reduced coverage, no alarm

Metallic objects too

Remove the object and maintain a distance of

 

close to the system

6 in. from the system panels.

 

 

 

 

Incomplete walk

Retest by walking completely through the

 

through test

corridor.

 

 

The light beam between the photocell and the

 

 

reflector in the corridor must be interrupted.

 

 

 

 

Books not properly

Retest with a properly secured book.

 

secured

 

 

 

 

 

System failure

Place service call to 3M.

 

 

 

10

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3M 8800 Series owner manual Troubleshooting, Adjusting audible alarm and patron counter display, Panel a Panel B