What It Means
RS-485 Device Not Communicating
Likely Causes
- A/B polarity reversed
- Loose low-voltage terminal
- Address conflict
- Pump has relay power instead of constant line power
- Damaged data cable
Next Checks
- Photograph wiring before moving conductors
- Verify A/B polarity and shield/grounding per manual
- Confirm device address and automation assignment
- Give VS pump constant line power when controlled by data
- Test continuity if communication drops intermittently
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 Connected Pool Network 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.