Section Four - Troubleshooting And Servicing The 491; Common 491 Installation Problems; The Status Led - NorthStar 491 Install Manual

SECTION FOUR — Troubleshooting and
Common 491
installation
problems

The status LED

491 INSTALLATION MANUAL Revision A
Typical problems you may encounter either during or after the 491
installation process are outlined in Figure 12 on page 22 and Figure 13 on
page 23.
In the 961/962, the diagnostics screen may also help pinpoint a problem.
The two-color LED located behind the 491's front-panel STATUS window
displays the unit's current condition.
The LED presents the following information:
•
solid green: System has power, self-test passed, and communicating
with navigator.
• Flashing green: 491 is not communicating with the navigator.
• Red: Self-test failed
servicing the 491
PAGE 21