
49
in.xe
™
yes
Take water
temperature
with a digital
thermometer.
Is water
temp.
119°F or
higher?
no
Are you getting
correct water
temperature
reading on
the display?
Is weather
very hot?
Verify if
temperature
probe is
properly
connected.
If so, replace
heater.
Reset system.*
yes
Remove spa cover
(even during the night)
Start blower, if spa is
equipped with one.
Lower Set Point
below actual water
temperature.
“Heater” indicator
on keypad display
should disappear.
When HL error
condition
occurs, does
heater barrel
feel hot? **
Do you get
a 240 VAC
reading
between
the two
heater wires
on the
board?
Replace
Spa Pack.
no
Pump is
overheating
water during
filter cycle.
Lower filter
cycle duration.
Reset system.*
Verify if anything
is obstructing water
flow (closed traps
or dirty filters).
Reset system.*
Verify if Hi-Limit
probe is properly
connected.
Reset system.*
If HL error
condition persists,
replace Spa Pack.
yes
Wait until spa cools
down (add cold water
if needed).
Reset system.*
no
no
yes
If problem persists,
replace heater.
If problem persists,
replace Spa Pack.
yes
no
HL error condition flow chart
The system has shut down because the temperature at the heater has reached
119°F (48°C).
* To Reset System:
Turn power Off
and On again at
the main breaker.
** Warning! handle with care as
heater may be really hot!