13MSPA-1-AS
4• Make sure there is a flow of water in
the heater and short the two
terminals of the pressure switch with
a jumper cable.
5• If the "FLO" message disappears:
a- If the installation is older than
2 years, replace the pressure
switch and adjust it.
b- If the installation is recent, try to
adjust the pressure switch. If this is
not possible, replace the switch.
(Refer to the respective section of
this manual).
6• If the "FLO" message does not
disappear on the display, either the
pressure switch cable or the board
must be defective.
Remove the plastic cover and
replace the cable.
7• If the problem persists, replace the
board referring to the "How to
Replace the Board" section of this
manual.
ERROR MESSAGES"FLO" Error Message
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