35MSPA-MP Metapacks Service Manual
HL Error Condition
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.
The "Heater" indicator should
disappear from keypad display.
If digital thermometer water temperature reading is at 112°F or higher
and keypad display indicates correct temperature, carry out the following
tests:
3• Remove the plastic cover. With
a voltmeter, 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, replace
board. (Refer to "How to Replace
the Board" section of this manual.)
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