What It Means
High Discharge Pressure
Likely Causes
- High ambient temperature (above 105°F)
- Dirty condenser coil (evaporator)
- Low water flow through heat exchanger
- Refrigerant overcharge
Next Checks
- Clean evaporator coil fins
- Check water flow rate through heat pump (need min 20 GPM)
- Ensure no restrictions on water side unions
- Normal above 105°F ambient — wait for cooler conditions
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.