34 SC-CF & SC-MP Service Manual
HL Error Condition
Press any key between each step to reset the system.
Power may remain On.
1• Take water temperature with
digital thermometer.
2• If reading is below 119°F:
a- Check if heater barrel feels hot.
If it's hot, verify if anything is
obstructing water flow
(closed valves or dirty filter).
b- If HL error condition persists,
replace Spa Pack.
3• If reading is 119°F or higher:
Proceed to following page if
keypad display shows correct
temperature.
Proceed to page 36 if keypad
doesn't show correct tempera-
ture.
The HL error condition is related to the Hi-Limit sensor.
Steady message: Means system has shut down heater because water
temperature at the heater has reached 119ºF.
Blinking message: Means except for the Smart Winter Mode, system has shut
down because water temp. in the spa has reached 112ºF.
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