The pump will only operate when the ambient temperature is above 4✬. Normally caused when the Lay Z Spa pump has been used in temperatures below 4✬. Please contact us for more help with this If the above troubleshooting has not resolved the problem, the water flow sensors may not be working. Using your hands, check the condition of the pipes within the liner. Pipes within the liner are kinked or bent. If no alarm appears, you will need to clean or replace the filter cartridges.Įnsure that the debris screens are clear of debris. Remove the filter cartridges from the pump and press the filter or heat button. If you’re unsure how to remove them, refer to the assembly section within the Lay Z Spa Owner’s Manual. Remove the stopper caps before heating your Lay-Z-Spa. The stopper caps are still inside the spa. Plug the pump unit directly into a mains socket and not into an extension lead. May also be an issue with the RCD socket. Can occur when the spa is not plugged into a mains socket. Unplug the pump unit, lightly strike the side of it and then plug it back in.Įlectrical issue. The water flow sensors’ flags didn’t come back into the correct position.