Articles by tag "FLO"

1. 78. Support: What does the error code FLO, FLC or three flashing dots on the topside display mean? (Electronic)
   136
   These error codes mean that you are having a problem with not enough water pressure through your pipes which will also cause the heater to not heat. Below are possible solutions. DIRTY FILTER ELEMENT A dirty filter element will cause decreased pressure and restrict water flow. This will ...
2. 171. Support: FLO or 3 blinking dots error code. (CS CY Series)
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   If the Topside Panel for the CS and CY Series Controller is now displaying 3 blinking dots or FLO error message on the topside display, the spa will not heat. The FLO or 3 blinking dots error message stands for Flow Open or Pressure Switch Open. When the primary heat pump is running and there ...