15
3)
Sleep Mode
heats the spa to within 20°F/10°C of the set temperature only during filter cycles. “
” will
display solid when temperature is not current, and will alternate with temperature when temperature is current.
(8) Preset Filter Cycles
The first filter cycle begins 6 minutes after the spa is energized. The second filter cycle begins 12 hours later.
Filter duration is programmable for 2, 4, 6, 8 hours or for continuous filtration (indicated by “
” The default filter
time is 2 hours. To program, press “Temp” or “Set,” then “Jets.” Press “Temp” or “Set” to adjust. Press “Jets” to exit
programming. The blower purges for 30 seconds at the beginning of each filter cycle. The low speed of the pump
runs during filtration and the ozone generator (if installed) will be enabled.
(9) Freeze Protection
If the temperature sensors detect a drop to below 44°F/6.7°C within the heater, the pump and blower will
automatically activate to provide freeze protection. The equipment stays on until 4 minutes after the sensors detect
that the spa temperature has risen to 45°F/7.2°C or higher. In colder condition, an optional additional freeze
sensor may be added to protect against freeze conditions that may not be sensed by the standard sensors. Aux
freeze sensor protection acts similarly except with the temperature thresholds determined by the switch and
without a 4-minute delay in turnoff. See your dealer for details.
4. Diagnostic Messages
Message
Meaning
No message on display.
Temperature unknown.
“Overheat” The spa is shut down. One of the sensors has detected
118°F/48°C at the heater.
“Overheat” The spa has shut down. One of the sensors has detected that the spa water is
110°F/43°C.
“Ice” Potential freeze condition detected.
Spa is shut down. The sensor that is plugged into the Sensor “A” jack is not working.
Spa is shut down. The sensor that is plugged into the Sensor “B” jack is not working.
Sensors are out of balance. If alternating with spa temperature, it may just be a temporary
condition. If flashing by itself, spa is shut down.
A significant difference between temperature sensors has been detected. This could
indicate a flow problem.
Persistent low flow problems. (Displays on the fifth occurrence of “
”message
within 24 hours.) Heater is shut down, but other spa functions continue to run normally.
Possible inadequate water, poor flow, or air bubbles in detected in
the heater. Spa is shut down for 15 minutes.
Inadequate water detected in heater. (Displays on third occurrence
of“
”message.) Spa is shut down.
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