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Panel messages are very helpful to the user about the status of the spa and gives a quick clue
toward solving a variety of problems. Here are the most common messages you may see on the
Display and what they mean.
ECON- The spa is in economy mode. ECON flashed alternately with the current spa water tempera-
ture.
OH-Overheat (spa is deactivated)
The spa control is at a high-limit condition and the spa is deactivated.
DO NOT ENTER IN THE SPA WATER.
Either the water temperature sensor detected that the spa water temperature is above or equal to
112°F or high-limit sensor detected at least 118°F at the heater. Remove the spa cover and allow
water to cool. Adding cool water may be necessary. If the water is still hotter than the set tempera-
ture, press the blower button to cool the spa water. If the water temperature sensor detected temper-
ature above 112° F and the spa water temperature drops to 110°F, the spa should automatically
reset. If the High limit sensor located on heater enclosure detected a temperature above 118° F, a
manual reset required. Push any button on the top side control or turn off the power to the spa and
then power on again. If the spa does not reset, then shut off power to the spa and call your dealer or
service representative.
The following is a list of most probable causes of this message.
Check the position of the slice-valves. Make sure that they are fully open.
Make sure that the cartridge filter has no blockage
Make sure that temperature sensor is fully inserted into the thermo well and that the sensor
mount is properly insulated with foam.
Check the water level. Water level should be 3" above the filter well.
Check the water temperature with an accurate thermometer
SN- Sensor failure detection
This indicates that the high-limit sensor or temperature sensor is open or faulty. The spa is deactivat-
ed.
Check the sensor wires for cracks or damage.
Inspect the connections of both sensors to the circuit board. The plugs must be clean.
If the problem continues after following the above steps, then replace the sensor set.
COOL-The Display shows COOL
The water is more than 20°F cooler than the set temperature. The heater will automatically activate
to provide freeze protection. COOL message will disappear once the temperature reaches the set
temperature.
ICE- The Display shows ICE.
When the high-limit sensor reads a temperature below 44°F, the system provides freeze protection. It
automatically activates all of pumps to circulate water and warm the plumbing. Freeze protection is
enabled regardless of the spa status. Consult with a service technician.
DISPLAY MESSAGES - HS200
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