Fault Detection Module

Updated on Sep 24, 2025

What is it for?
Quickly identify why some lights are off or acting abnormally.

What can it detect?
The Fault Detection Module helps you locate issues like:
- Power loss
- Signal failure
- Broken light sections
Think of it as a circuit tester for your light setup.

Step-by-Step Troubleshooting

Step 1 – Turn On Detection in App

Why: The module won’t work unless the App detection mode is active.

Step 2 – Insert the Module

Where to Insert:
- Find the point before the lights stop working or behave abnormally
- Unplug that section and insert the module in between

Example:
If Section 1–4 works but Section 5–8 doesn’t, insert the module between 4 and 5

Step 3 – Check the Module Lights

Indicator	Meaning
Power	Shows if electricity is coming through
Data In	Shows if a signal is detected from the controller

How to judge:
Both OFF → No power or signal detected. The issue is before the module.Move the module earlier in the light chain and repeat these steps.
Power ON、Data In OFF→Power is OK, but no signal. The issue may be before the module, but you should test the lights after the module.Go to Step 4 and use FD mode to test lights after the module.
Power ON、Data In ON→Power and signal detected, but lights still don’t respond. The issue may be before or after the module.Go to Step 4 and use FD mode to verify the lights after the module.

Step 4 – Use Test Modes

Press the button on the module to switch test modes.

Mode	What It Does	When to Use
FD	Sends built-in test signal (lights flash through RGBCW colors)	Check if lights after module still work
O-SIG	Forwards original signal from controller	Check if controller signal is good
AMP	Amplifies signal from controller	Use if O-SIG doesn’t work (signal is weak)

Usage Tips:

FD Mode: FD Mode sends a self-generated test signal to check if the lights after the module are working properly.

Result	Meaning	Action
Lights flash (Red, Green, Blue, 2700K, 6500K)	Rear lights are working	Go back to Step 3 and check earlier sections
No lights flash	Rear lights are faulty or disconnected	The lights after the module may be damaged. Please contact customer support for replacement

O-SIG Mode: O-SIG Mode forwards the original signal from the controller to the lights.

Result	Meaning	Action
Lights behave normally	Controller signal is OK	No fault found. Inspect physical connections if needed
No lights respond	Controller signal may be weak or interrupted	Switch to AMP Mode to boost the signal

AMP Mode: AMP Mode amplifies the signal from the controller to help overcome signal loss over distance or poor wiring.

Result	Meaning	Action
Lights now respond	Signal was too weak, AMP mode fixed it	You may need a signal amplifier. Please contact customer support for solutions
Still no lights respond	The problem may be before the module	Move the module closer to the controller and test again

Final Tips
- This module is not waterproof, and should only be used temporarily
- Do not leave connected during regular operation
- If unsure where the issue is, move the module step by step along the line and repeat the above