Gecko MSPA-1-AS, Service Manual

Page: 12 / 63

11 MSPA-1-AS
Replace the
pressure
switch cable.
ERROR MESSAGES "FLO" Flow Chart
The "FLO" message indicates a problem with the pressure switch. Pump is on
but no water pressure is detected. Follow the troubleshooting flow chart
below to identify the source of the problem.
Notes: For systems manufactured before 1998, you have to press a key after each
step to reset the system.
The heater barrel has to be installed on the pressure side of the pump and not
on the suction side.
Is the pump
running?
Refer to the "Pump Does
Not Work" section.
Remove
anything that may be
obstructing
the filter.
Clear any
air locks
& verify
the water
valves.
Verify if the
pressure switch
cable is properly
connected
to the pressure
switch and
to the board.
Verify if the spa pack contains
enough water to operate properly.
yes no
Is there anything limiting
the flow of water in the piping?
yes no
Is the installation
recent (less than
two years)?
Replace the
pressure switch.
Adjust the
pressure switch.
Make sure there is a flow of
water in the heater and short
the two terminals of the pressure
switch with a jumper cable.
Does the "FLO" message
disappear?
yes no
yes no
Replace
the board.