Operating Guide

6
Diagnostic Messages
Message Meaning Action Required
No message on display.
Power has been cut off to the Spa.
The control panel will be disabled until power returns. Spa
settings will be preserved until next power up.
PR
System 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 its first filter cycle and is not available for
setting.
--
Temperature unknown.
After the pump has been running for 2 minutes, the
temperature will be displayed.
HH
“Overheat” - The spa has shut down. One of
the sensors has detected 118°F/48°
C at the
heater.
DO NOT ENTER THE WATER. Remove the spa 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. One of the
sensors has detected that the spa water is
110°F/43°C.
DO NOT ENTER THE WATER. Remove spa cover and
allow water to cool. At 107°F/42°
C, 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 will automatically activate
regardless of spa status.
SA
Spa 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)
S
b
Spa 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)
Sn
Sensors 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
HL
A 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.
LF
Persistent 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.
dr
Possible 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.
dY
Inadequate 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.