13MSPA-MP Metapacks Service Manual
Flashing Dots Displayed
6• Ensure adequate water flow in the
heater and short two pressure switch
terminals with jumper cable.
7• If the three dots disappear, first
make sure there is no blockage of
water or air lock and check water
valve.
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.)
8• If the three dots still appear, the
problem may be either with switch
cable or board.
Remove plastic cover and replace
cable.
9• Replace board if error condition still
persists. (Refer to "How to Replace
the Board" section.)
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