Equipment - Lighting - LCA - Lights Not Following Schedule
This article will guide you through troubleshooting an LCA to restore lighting to schedule.
Table of Contents
Confirm Power
- Be sure source breaker is on.
- Check voltage with voltmeter and confirm 120VAC at the LCA L and N terminals.
- Check 24VAC Transformer connections at the J1 terminals.
- Confirm voltage with a voltmeter.
Confirm Communications
- Confirm controller programming.
- Confirm schedule in GEM?
- Confirm there is no Comm Error present via the touch screen.
- Check/replace Cat5 wiring to HUB, and then back to controller.
- Check address/dip switch settings on LCA.
- SW4 dip switches on the control card are used for addressing and configuration.
- Set LCA address to 1. If multiple LCA’s, do not duplicate addresses.
- Set switch 6 to ON at the last LCA in a chain. If only using one LCA, set switch 6 to ON.

Check Photo Sensor
- Confirm proper wiring of photo sensor.