Coast Spas Spa Lighting System Failure

LED lights do not work or some colors are missing.

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Failed Coast Spas LED driver or light controller, Burned-out LED light assemblies, Loose low-voltage lighting connections, Incorrect lighting mode selection

How to Fix / Troubleshooting

Safety first: Turn off power at the breaker before accessing lighting components.

Check lighting mode: Cycle through lighting modes on the topside to ensure lights are not simply set to off or a dim color.
Inspect connections: Locate the LED driver or light harness in the equipment bay and verify all plugs are secure.
Test individual lights: If some lights work and others do not, replace the failed LED assemblies.
Replace driver: If no lights work and power is present at the driver input, replace the Coast Spas LED driver module.

Repair Difficulty

Medium 3/5

Required Part

LED Light Assembly

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