27MSPA-MP Metapacks Service Manual
FLO Error Condition
5• Ensure adequate water flow in the
heater and short two pressure switch
terminals with jumper cable.
6• If FLO error condition disappears,
perform the following steps:
If the installation is older than 2 years,
replace the pressure switch and re-
calibrate it.
If installation is recent, try readjust-
ing the pressure switch. If this is not
possible, replace switch.
(Refer to "How to Adjust the
Pressure Switch" section of this
manual.)
7• If FLO error condition persists, the
problem may be either with switch
cable or board.
Remove plastic cover and replace
cable.
8• Replace board if FLO error condition
still persists. (Refer to "How to Replace
the Board" section.)
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