P/N 40789_E 04/21/2010Warning! Shock Hazard! No User Serviceable Parts.Do not attempt service of this control system. Contact your dealer or service organization for assistance.Follow all owner’s manual power connection instructions. Installation must be performed by a licensedelectrician and all grounding connections must be properly installed.No message on display.Power has been cut off to the spa.Temperature unknown.“Overheat” - The spa has shut down.* One of thesensors has detected 118°F/47.8°C at the heater.“Overheat” - The spa has shut down.* One ofthe sensors has detected that the spa water is110°F/43.5°C.Spa is shut down.* The sensor that is plugged intothe Sensor “A” jack is not working.Spa is shut down.* The sensor that is plugged intothe Sensor “B” jack is not working.Sensors are out of balance. If alternating with spatemperature, it may just be a temporary condition.If flashing by itself, spa is shut down.*A significant difference between temperaturesensors has been detected. This could indicate aflow problem.Persistent low flow problems. (Displays on thefifth occurrence of message within 24 hours.)Heater is shut down, but other spa functionscontinue to run normally.Possible inadequate water, poor flow, or airbubbles in detected in the heater. Spa is shut downfor 15 minutes.Inadequate water detected in heater. (Displays onthird occurrence of message.) Spa isshut down.*“Ice” - Potential freeze condition detected.* - Even when spa is shut down, some equipment willturn on if freeze protection is needed.Message Meaning Action RequiredDiagnostic MessagesThe control panel will be disabled until power returns. Spa settingswill be preserved until next power up.After the pump has been running for 2 minutes, the current watertemperature will be displayed.DO NOT ENTER THE WATER. Remove the spa cover and allowwater to cool. Once the heater has cooled, reset by pushing anybutton. If spa does not reset, shut off the power to the spa and callyour dealer or service organization.DO NOT ENTER THE WATER. Remove the spa cover and allowwater to cool. At 107°F/41.7°C, the spa should automatically reset.If spa does not reset, shut off the power to the spa and call yourdealer or service organization.If the problem persists, contact your dealer or service organization.(May appear temporarily in an overheat condition.)If the problem persists, contact your dealer or service organization.(May appear temporarily in an overheat condition.)If the problem persists, contact your dealer or service organization.If the water level is normal, make sure all pumps have been primed.If problem persists, contact your dealer or service organization.Follow action required for message. Heating capability of thespa will not reset automatically; you may press any button to reset.If water level is normal, make sure all pumps have beenprimed. Press any button to reset. This message will resetwithin 15 minutes. If problem persists, contact your dealer orservice organization.Follow action required for message. Spa will not automaticallyreset. Press any button to reset manually.No action required. All equipment will automatically activateregardless of spa status. The equipment stays on 4 minutes after thesensors detect that the spa temperature has risen to 45°F/7.2°C orhigher. An optional freeze sensor may be added to protect againstextraordinary freeze conditions. Auxiliary freeze sensor protection isadvisable is colder climates. See your dealer for details.