26 MSPA-MP Metapacks 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. System may detect an FLO error
condition 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.
4• Verify if pressure switch cable is
properly connected to pressure
switch and board.
1• Verify if pump (or circulation
pump if present) is working.
If pump is not working right,
refer to pump (or circulation
pump) section of this manual.
2• Make sure jumper setting for
circulation pump is correct.
(See Jumper Section).
3• Clean filter and check for air
blockages, closed trap valves or
anything that could be restricting
water flow.
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