Section 6 — Diagnostics and Troubleshooting Hawk 1000
6-4 Part No. 750-366
6.1.5 Diagnostic Screens
Press <Diagnostic> on the Main screen for the diagnostic screen menu. Select an item from the menu to
show a detailed view of the corresponding program logic. Items in green are TRUE and those in white are
FALSE.
6.2 PLC Status
The L24E has a bank of multi-state LEDs to indicate the controller’s operating
status and communication activities. See tables below.
Figure 6-5. Diagnostics screen
Table 1: PLC Status LEDs
Indicator Status Description
RUN Off The controller is in Program or Test mode.
Green The controller is in Run mode.
FORCE Off No tags contain I/O force values. I/O forces are inactive (disabled).
Yellow I/O forces are active (enabled). I/O force values may or may not exist.
Flashing yellow One or more input or output addresses have been forced to an On or Off condition, but the forces have
not been enabled.
I/O Off The controller does not contain a project.
Green The controller is communicating with all of the devices in its I/O configuration.
Flashing green One or more devices in the I/O configuration of the controller are not responding.
Flashing red One of the following conditions exists:
• The controller is not communicating with any devices.
• A fault has occurred on the controller
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