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P/N DC2LM71 04/28/2003
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.
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.
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.
Message Meaning Action Required
Diagnostic Messages