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Solving problems
Problem
Cause
Action
No power at receptacle. Reset facility circuit breaker.
Power cord disconnected at receptacle. Plug power cord into receptacle.
System fuse open. Replace fuse in the electronics enclosure.
See fuse replacement procedure.
No alarm, no green power
indicator on the electronics
enclosure.
System failure. Place a service call.
Processor requires reset. Turn the system off, wait 5 seconds, then
turn the switch on.
Strips in book desensitized or missing. Resensitize books, or install a security strip
in the book.
Metal objects too close to lattice.
Move all metal to minimum distance of 36
inches from the lattices.
No alarm, power indicator on.
System failure. Place a service call.
Protected material from another library or a
retail store.
Identify material that caused the alarm.
Failure to desensitize strips properly. Check desensitizing process and training.
Miscellaneous metallic objects.
Infrequent unwanted alarms are possible
from some metal objects .
Unwanted alarms.
System failure. Place a service call.
Metal objects too close to lattice.
Move all metal to minimum distance of 36
inches from the lattices.
Electrical interference. Remove possible sources of electrical
interference such as computers, copiers,
TVs, electronic devices, or energy
management systems.
Incomplete walk-through test. Test the system by walking completely
through the corridor.
Books not properly resensitized. Resensitize book, check sensitizing method
and staff training.
Reduced coverage, no alarm.
System failure. Place a service call.
Metal objects too close to a lattice. Move all metal objects to a minimum of 36
inches from the lattice.
Marked book or strips too close to lattice. Move the marked books to a minimum of
36 inches from the lattice.
Electrical interference. Eliminate source of interference.
Alarm intermittent with no
traffic in corridor.
System failure. Place a service call.
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