Rheem Pool & Spa - Recent Questions, Troubleshooting & Support

check wiring

I can find nothing on this error message. There are troubleshooting tips, but you may need to contact Rheem Support direct. https://www.google.com/search?q=rheem+propane+pool+heater+troubleshooting ..

check filter if ok check pressure switch

Find your manual and see if it will give you the information https://www.masterspas.com/hot-tub-owners-manuals

Current time of day; system message, not an error

Check for debris near igniter. You may have gotten it wet. I don't know the model but you will either have a snap sound every few seconds or it will have a heater element that glows bright red when starting .