Troubleshooting, See Patron counting on | 3M 9900 Series specification

Troubleshooting

Problem	Cause	Action
No alarm, no patron count	Unit not plugged in to power outlet	Make sure the unit is plugged in;
		wait 10 seconds for full operation.
	Circuit breaker off	Reset facility circuit breaker; wait
		10 seconds for full operation.
No alarm	Tag unsecured	Test system with another library
		item known to have a secured tag.
Infrequent unwanted alarms	Protected material from another	Identify material that caused the
	library	alarm.
	Failure to unsecure tags properly	Follow correct checkout
		procedures outlined in 3M
		literature.
		Check operator training
		procedures.
Frequent (daily) unwanted alarms	Failure to unsecure tags properly	Follow correct checkout
		procedures outlined in 3M
		literature.
		Check operator training
		procedures.
	System failure	Place service call to 3M.
Reduced coverage, no alarm	Metallic objects too close to the	Remove the object and maintain a
	system	distance of 31.5 in. (80 cm) from
		the detection system lattices.
	Books not properly secured	Retest with a properly secured
		book.
	System failure	Place a service call to 3M.
Patron counter did not increment	Incomplete walk through test	Retest by walking through the
		corridor.
		The light beam between the
		photocell and the reflector in the
		corridor must be interrupted to
		increment the patron counter.
	Patron counting is configured for	Retest by walking through the
	counting in the other direction	corridor in the opposite direction.
	(for example, exiting instead of
	entering)
	System failure	Place a service call to 3M.
Patron count too high or too low	Patron counting is configured	See Patron counting on page 11.
	differently than expected.	Retest to verify patron counting
		is configured correctly for your
		library and the system orientation.*
In a multiple-corridor installation,	Power to only part of the detection	For detection systems with more
some lattices seem to be working	system	than four corridors, both ends
while other lattices do not		of detection system must be
		connected to power.

* Patron counting direction (or whether patrons are counted entering and exiting) must be configured by a 3M trained technician.

9900 Series specifications

The 3M 9900 Series represents a significant advancement in personal protective equipment, specifically designed for environments that require enhanced respiratory protection. This series is widely recognized for its innovative features, exceptional performance, and user-centered design, making it a top choice for professionals across various industries, including construction, healthcare, and manufacturing.

One of the standout features of the 3M 9900 Series is its advanced filtration technology. The series utilizes a combination of innovative filter materials that provide superior protection against airborne contaminants, ensuring that wearers are safeguarded from harmful particulates, aerosols, and gases. The filtration efficiency is notably high, allowing for extended use in demanding conditions while maintaining comfort and breathability.

Another key characteristic of the 9900 Series is its ergonomic design. The masks are engineered to fit the contours of the face, reducing the likelihood of gaps that can compromise protection. This snug, comfortable fit allows for extended wear without discomfort, ensuring that users can perform their tasks without distraction. Additionally, the adjustable head straps provide a customizable fit, further enhancing the mask's effectiveness and usability.

The 3M 9900 Series also incorporates a unique exhalation valve, which plays a critical role in comfort during prolonged use. This valve allows for easier exhalation, reducing heat and moisture buildup inside the mask. As a result, wearers experience less fatigue and discomfort, making it ideal for tasks that require extended periods of respiratory protection.

Durability is another prominent feature of the 3M 9900 Series. The materials used in the construction of the masks are robust and designed to withstand the rigors of demanding environments. This durability ensures that users can rely on the 9900 Series for long-term use, making it a cost-effective choice for organizations.

Moreover, the 3M 9900 Series complies with stringent safety standards, providing users with the assurance of high-quality performance. The masks undergo rigorous testing to meet regulatory requirements, ensuring that they deliver reliable protection.

In summary, the 3M 9900 Series is a cutting-edge solution for respiratory protection, characterized by advanced filtration technology, ergonomic design, innovative exhalation valves, and superior durability. With a strong commitment to safety and comfort, the 3M 9900 Series stands as a trusted choice for professionals seeking reliable respiratory protection in challenging environments.

Troubleshooting

See Patron counting on page 11.

9900 Series specifications