20 MSPA-MP Metapacks Service Manual
Display Is Flashing
If digital thermometer water temperature reading is 112°F or higher and
keypad display indicates correct temperature, carry out the following
tests:
If display stops flashing after pressing a key, this means that a power failure has occurred.
System works fine.
If weather is very hot:
1• Remove spa cover (even during
the night). Start blower if spa is
equipped with one. Wait until
spa cools down (add cold water
if necessary).
If hot weather is not a factor:
2• Lower set point below current
water temperature.
"Heater" indicator should disappear
from keypad display.
3• Remove spa cover. With a volt-
meter, read the voltage between
the two heater wires on the board.
4• If you do not read 240 VAC, pump
may be overheating water during
filter cycle.
Enter Programming mode and
shorten filter cycle duration.
5• If you do read 240 VAC, test the
element. If it is opened, replace
it. If element works fine, replace
board.
(Refer to "How to Replace the
Board" section of this manual.)
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