Diagnostic Messages Message Meaning Action Required No message on display. Power has been cut off to the Spa. The control modern panel will be disabled until power returns. --Temperature unknown. After the pump has been running for 2 minutes, the temperature will be displayed. PRSystem is priming. (Spa must be filled to proper level. Water should be at least halfway up the skimmer.) Spa is powering up. This operation takes 6 minutes total. After 4 minutes, “- -” will appear for two minutes. The spa then enters it’s first filter cycle and is now available for setting. HH“Overheat” The spa has shut down. Sensors detect 118 ° F at the heater. DO NOT ENTER THE WATER. Remove the hot tub cover and allow the water to cool. Once the heater has cooled, reset by pushing any button. If the spa does not reset, shut off the power to the spa and call your dealer or service organization. OH“Overheat” The spa has shut down. Sensors detect spa water is 110 ° F.DO NOT ENTER THE WATER. Remove spa cover and allow water to cool. At 107 ° F, the spa should automatically reset. If the spa does not reset, shut off power to the spa and call your dealer or service organization. IC“Ice” Potential freeze condition detected No action required. The pump and blower will automatically activate regardless of spa status. SASpa is shut down. The sensor that is plugged into the Sensor “A” jack is not working. If the problem persists, contact your dealer or service organization. (May appear temporarily in an overheat situation and disappear when the heater cools) SBSpa is shut down. The sensor that is plugged into the Sensor “B” jack is not working. If the problem persists, contact your dealer or service organization. (May appear temporarily in an overheat situation and disappear when the heater cools) SNSensors are out of balance. If changing spa temperature it may just be temporary. If flashing by itself, the spa is shut down. If the problem persists, contact your dealer or service organization HLA significant difference between temperature sensors has been detected. This could indicate a flow problem. Check the water level in spa. Refill if necessary. If the water level is okay, make sure the pumps have been primed. If problem persists, contact your dealer or service organization. LFPersistent low flow problems. (Displays on the fifth occurrence of the “HL” message within 24 hours.) Heater is shut down, but other spa functions continue to run normally. Follow the action required for “HL” message. Heating capability of the spa will not reset automatically, you may press any button to reset. DRPossible inadequate water, poor flow, or air bubbles detected in heater. Spa is shut down for 15 minutes. Check water level in spa. Refill if necessary. If the water level is okay, make sure the pumps have been primed. Press any button to reset, or this message will automatically reset within 15 minutes. If the problem persists, contact your dealer or service organization. DYInadequate water detected in heater. (Displays on the third occurrence of “DR” message). Spa is shut down. Follow action required for “DR” message. Spa will not automatically reset. Press any button to reset. WARNING! SHOCK HAZARD! NO USER SERVICABLE 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 licensed electrician and all grounding connections must be properly installed.
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