SplashLens / AquaCal / AquaCal Heat Pump

AquaCal FS1 / FS2: Freeze Protection Active

AquaCal FS1 / FS2 reference for AquaCal Heat Pump: likely causes, next checks, and manual-verification reminders for pool service techs.

AquaCal AquaCal Heat Pump MEDIUM

What It Means

Freeze Protection Active

Likely Causes

Next Checks

  1. Verify water is actively circulating through the system
  2. If temperatures are below freezing, system should be winterized
  3. Check if system should be drained or heat pump bypassed for winter

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 AquaCal 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.