Troubleshooting Test

Provides the procedure to verify that power is reaching the fixture by measuring isolation transformer output current and fixture input current using a clamp meter.

This article provides step-by-step instructions on safely using a Megger insulation tester to measure insulation resistance in airfield lighting circuits, helping diagnose ground faults, degraded insulation, or potential failures in Airport Lighting Company systems like runway/taxiway series circuits, isolation transformers, and cables.

This article presents the troubleshooting table for common symptoms and corrective actions on the L-880(L), L-881(L) Precision Approach Path Indicator Lights (PAPI), along with instructions for contacting technical support.

This article presents the troubleshooting table for common symptoms and corrective actions on the L-862(L) and L-862E(L) High Intensity LED Runway Light, along with instructions for contacting technical support.

This article covers how to go about troubleshooting an L861 LEDMedium Intensity Elevated Edge Light

Provides the procedure to perform a diode test on the LED light engine in ALC-861(L) family fixtures for single LED and multi-LED configurations.

This article walks you through how to troubleshoot an SAL-1030 LED REIL

Provides the procedure to test the bridge rectifier using a diode test to determine if the component is good or requires replacement.

Provides the procedure to relocate a suspect airfield LED fixture to a known-good location on the same circuit to isolate whether the fault is in the fixture or in the field wiring/transformer at its original position.