What It Means
GFCI Trips When Light Turns On
Likely Causes
- Water intrusion in fixture or cord
- Moisture/corrosion inside junction box
- Damaged cord insulation
- Transformer or relay short
Next Checks
- Do not bypass GFCI protection
- Open junction box and inspect for water, corrosion, or damaged wirenuts
- Disconnect fixture load and retest circuit to isolate fixture versus transformer/relay
- Replace wet fixture or damaged cord assembly; do not splice underwater light cords
Verify Before Repair
SplashLens is a field reference, not a repair guarantee. Confirm the visible code, exact model, and current manufacturer procedure before replacing parts, bypassing safeties, or quoting a customer.
SplashLens is independent and is not affiliated with Hayward or other equipment manufacturers.
Use SplashLens At The Pad
Manual error-code lookup works after the app has loaded once. AI scan features require internet and should be treated as a second set of eyes.