SplashLens / Hayward / HeatPro Heat Pump

Hayward LO: Low Pressure / Low Ambient

Hayward LO reference for HeatPro Heat Pump: likely causes, next checks, and manual-verification reminders for pool service techs.

Hayward HeatPro Heat Pump MEDIUM Certified tech recommended

What It Means

Low Pressure / Low Ambient

Likely Causes

Next Checks

  1. Check ambient temp — below 50°F is normal shutdown
  2. Clean evaporator coil fins with garden hose (spray outward)
  3. If ambient is warm and code persists: refrigerant issue — call HVAC tech

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.