Message Meaning
No message on display.
Power has been cut off to the spa.
HL
The system has shut the heater
off because the temperature at the
heater has reached 122°F (50°C).
Do not enter the water!
AOH
Temperature inside the equipment
compartment is too high 194F
(90°C), causing the internal
temperature in the control system to
increase above normal limits.
PRR
A problem is detected with the
temperature probe.
OH
The water temperature in the spa
has reached 108°F (42°C). Do not
enter the water!
UPL
No low level configuration software
has been installed into the system.
FLO
No water flow is detected by the
control system but flow is expected.
Warning! Shock Hazard! No User Serviceable Parts.
Do not attempt service of the control box. Contact Customer Service for assistance. Follow
all owner manual power connection instructions. Installation must be performed by a licensed
electrician and all grounding connections must be properly installed.
WARNING! DO NOT ENTER SPA IF WATER IS TOO HOT
Water is too hot. Overheat protection heater is deactivated. Spa water temperature is above
acceptable limits. When the actual water temperature is approximately 2º F (1º C) above the
set temperature, the jet pump will stop operating to reduce (frictional) heating. If the spa water
temperature continues to rise and gets above 108º F (42ºC), the spa will go into an "OH" overheat
condition.
CONTROL PANEL OPERATION
DIAGNOSTIC LCD MESSAGE
Action Required
The control panel will be disabled until power
returns. Spa settings will be preserved until
next power up.
DO NOT ENTER THE WATER. Remove the
spa cover and allow the water to cool down,
then shut power off and power your spa up
again to reset the system.
If spa does not reset, shut off the power to the
spa and call Customer Service.
Open equipment compartment and wait until
error clears.
Call your Dealer or service supplier.
Remove the spa cover and allow the water to
cool down to a lower temperature. Call your
Dealer or service supplier if problem persists.
Call your Dealer or service supplier.
Make sure that the jet pump is running and
water is flowing; check and clean filters; make
sure water valves are open; make sure spa
has a proper water level. If problem persists,
call your Dealer or service supplier.
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