Spa Fault Codes, Error or Operational Messages

The list below is a comprehensive listing of all known spa or hot tub error / fault codes known for spa & hot tub control electronic control panels from around the world dating from 1980's to present.
This is a basic list outlining the general cause of the fault code. For further information and fault finding, refer to the relevant Spa System Service Manual.
Also included are some but not all, common operational messages such as reminders and filtration setting codes.

Click Here for PDF version of this spa fault code list (updated 14 Apr 2021)