Spa Builders SC-CF, Service Manual, Page: 27 / 68

26 SC-CF & SC-MP Service Manual
FLO Error Condition
An FLO error condition indicates a pressure switch problem. If system
does not detect any pressure when pump is manually or automatically
turned on, an FLO error condition will occur.
There must be enough water in the spa for normal operations. FLO error condition may
occur if spa filter is dirty or if something restricts flow of water in piping.
The heater will automatically shut down when an FLO error condition occurs.
Power may remain On when the following steps are carried out.
Make sure circ. pump parameter is set correctly (depending on your system configuration).
3• Verify if pressure switch cable is
properly connected to pressure
switch.
1• Verify if pump is working.
If pump is not working right,
refer to "Pump does not
Work" section.
2• Clean filter and check for air
blockages, closed trap valves
or anything that could be
restricting water flow.