Diagnostic Messages
Message Meaning
No message on display.
Power has been cut off to the spa.
Temperature unknown.
“Overheat” - The spa has shut down. One of the sensors has detected approximately 118°F/47.8°C at the heater.
“Overheat” - The spa has shut down. One of the sensors has detected that the spa water is approximately 110°F/43.3°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 temperature, it may just be a temporary condition. If flashing by itself, spa is
shut down.
A substantial difference in temperature has been detected between temperature sensors. This could indicate a flow problem.
Persistent low flow problems. (Displays on the fifth occurrence of the “HFL” message within 24 hours.) Heater is shut down, but other spa functions continue to run normally.
Inadequate water detected in heater.
Inadequate water detected in heater. (Displays on third occurrence of “dr” message.) Spa is shut down.
Action Required
The control panel will be disabled until power returns. Spa settings will be preserved until the next power up.
After the pump has been running for 2 minutes, the temperature will be displayed.
DO NOT ENTER THE WATER. Remove the spa cover and allow water to cool. Once the heater has cooled, reset by pushing any button. If spa does not reset, shut off the power to the spa and call your dealer or service organization.
DO NOT ENTER THE WATER. Remove the spa cover and allow water to cool. At approximately 107°F/41.7°C, the spa should automatically reset. If spa does not reset, shut off the power to the spa and call your dealer or service organization.
No action required. The pump and blower will automatically activate regardless of spa status.
If the problem persists, contact your dealer or service organization. (May appear temporarily in an overheat situation and disappear when the heater cools.)
If the problem persists, contact your dealer or service organization. (May appear temporarily in an overheat situation and disappear when the heater cools.)
If the problem persists, contact your dealer or service organization.
Check 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.
Follow action required for “HFL” message. Turn spa off then back on again to restore heating capability.
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.
Follow action required for “dr” message. Spa will not automatically reset; you may press any button to reset.
Warning! 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 licensed electrician and all grounding connections must be properly installed.
P/N DC2LM71 04/28/2003