What It Means
Spa Pump Hums But Does Not Move Water
Likely Causes
- Pump seized
- Capacitor failed
- Impeller jammed
- Voltage issue
- Air-locked wet end
Next Checks
- Stop repeated start attempts to avoid motor damage
- Confirm water level, valves, and prime first
- Listen for hum vs. rotation and capture a short note
- Electrical/capacitor checks require qualified service
- Document pump label, voltage, wet-end model, and symptom timing
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 Hot Tubs / Spas 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.