Sigma AM-255 service manual Troubleshooting

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6. TROUBLESHOOTING page 18

To check the charger, disconnect the positive terminal from the battery and J1 from the AM-255 circuit board. Measure the voltage from between the black and red battery wires. It should be at least 13.5 volts. If it is not then the charger must be replaced.

NOTE:

Do not go on to the next step until the charger is working correctly. Battery voltage must be at least 12.5 Vdc for the unit to turn on.

6.3. TROUBLESHOOTING

If the unit is totally inoperative, verify that the unit is receiving power throughout the system. Refer to "Controller Board" Drawing 3 (Appendix F.) for the following procedure.

6.3.1. AM-255 Controller Board:

If the unit has power but still does not operate, test the power to the controller board. Connect the negative lead of the DVM to TP1 and the positive lead to TP2. The power should be

5 ±0.1 Vdc.

Model AM-255

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Contents Alarm Monitor Model AM-255 Maintenance Table of ContentsTroubleshooting Theory of OperationAppendix Warranty Glossary Formulas Configuration Tracking Sheet PartsRecommended Spare Parts Spare Parts Ordering Information Scope and Purpose of Manual IntroductionSpecifications Inspection Inspection and SetupSET-UP Procedures Wiring Instructions Relay Outputs System #1 Input SignalsSystem #2 Input Signals Initial Setup Checklist Operating Instructions Controls and IndicatorsSummary of Alarm Indications Summary of Alarm IndicationsOperation Unit Operation Components Maintenance Procedures Performance Verification Checklist Component Access Do not go to until the battery voltage is 12.4 or greater Troubleshooting Longs Peak Court LONGMONT, Colorado Appendix B. Glossary page20 Appendix B. Glossary page21 Activity from Counts Appendix C. Formulas page23 Appendix C. Formulas page24 System Modifications Configuration Tracking SheetLongs Peak Court LONGMONT,COLORADO Longs Peak Court Drawings

AM-255 specifications

The Sigma AM-255 is a cutting-edge, versatile piece of equipment designed to meet the demands of professionals across various industries. Known for its robust engineering and innovative technologies, the AM-255 stands out as a reliable solution for tasks requiring precision and efficiency.

One of the primary features of the Sigma AM-255 is its advanced processing capabilities. Equipped with a high-performance processor, the AM-255 is capable of handling complex calculations and data processing tasks with ease. This results in faster operation speeds, reducing downtime and allowing users to focus on their workload without the frustration of lagging performance.

The AM-255 also integrates state-of-the-art connectivity options. With multiple ports for USB, HDMI, and Ethernet, users can easily connect the device to various peripherals and networks. This flexibility is crucial for professionals who rely on external devices and need to transfer data seamlessly.

In terms of user interface, the AM-255 boasts an intuitive touch screen display that responds quickly and accurately to input. The interface is designed to simplify navigation, making it accessible even for those who may not be tech-savvy. This attention to user experience not only enhances productivity but also encourages proactive engagement with the system.

Another notable characteristic of the Sigma AM-255 is its durability. The device is engineered with high-quality materials that withstand harsh working conditions, making it ideal for fieldwork or industrial environments. Its rugged construction ensures longevity, minimizing maintenance costs and providing peace of mind for users.

Furthermore, the AM-255 features energy-efficient technologies, contributing to a lower carbon footprint. This aligns with global trends towards sustainability, allowing organizations to adopt more eco-friendly practices without sacrificing performance.

Security is also a top priority in the design of the Sigma AM-255. With advanced encryption protocols and secure user authentication features, the device protects sensitive data and prevents unauthorized access, which is crucial for businesses handling confidential information.

In summary, the Sigma AM-255 is a remarkable solution that combines performance, connectivity, user-friendliness, durability, energy efficiency, and security. These main features make it a valuable asset for professionals seeking to enhance their operational efficiency and productivity in today’s fast-paced, technology-driven environment. As new technologies continue to evolve, the Sigma AM-255 is well-positioned to adapt and meet future industry challenges.