4-2 Magellan
®
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Operational Tests
These are the tests that run continually during Normal Operation and
Sleep Mode. Firmware checks all subsystems, accessory connections and
the POS interface to verify everything is operating normally. If a problem
is detected at any time, a long, low tone is sounded, an error code is shown
on the 7-segment display, and operation may be halted. If you press the
Volume/Tone Push Button at that time, a series of tones will be sounded
that matches the error code displayed.
Diagnostic Tests
See Chapter 2, Diagnostic Modes, for details about running diagnostic
tests for the scanner and/or scale. If a problem is discovered during diag-
nostics, the scanner will provide feedback about the source of the prob-
lem. The remainder of this chapter describes these failure indications and
includes troubleshooting flowcharts to help isolate the problem.
Diagnostic Procedures
Your Point-Of-Sale (POS) system may contain many components that
operate as a system. Since almost all scanner or scale problems are caused
by either the scanner, scale, POS terminal or communication links
between them, these troubleshooting flowcharts focus on these compo-
nents. Additionally, the optional Remote Scale Display, AC/DC Power
Supply and their cables are potential problems addressed in this chapter.
The flowcharts provided in this chapter walk you through a diagnostic
process that will isolate the failed component and instruct as to the correc-
tive action required. Since internal scanner and scale components cannot
be replaced by an operator or installer, most functional errors will require
the assistance of a trained technical support person. However, if the prob-
lem is caused by faulty cable, power supply or remote display, you can fix
the problem by replacing the defective component and complete the
installation.
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