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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 start up.
-- --
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
O
F (48
O
C)
at the heater.
DO NOT ENTER THE WATER.
Remove 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.
OH
“Overheat” – The spa has shut down. One
of the sensors has detected that the spa
water is 110
O
F (43
O
C).
DO NOT ENTER THE WATER.
Remove spa cover
and allow water to cool. At 107
O
F (42
O
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.
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, call your dealer or service
organization. (May appear temporarily in an overheat
situation and disappear when the heater cools.)
Sb
Spa is shut down. The sensor that is
plugged into the sensor “B” jack is not
working.
If the problem persists, call 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 alternating
with spa temperature, it may just be a
temporary condition. If flashing by itself,
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 water level in spa. Refill if necessary. If the
water level is okay, make sure the pumps have been
primed. If the problem persists, contact your dealer or
service organization.
LF
Persistent low flow problems. (Displays on
the fifth occurrence of “
HL
” message within
24 hours). Heater is shut down, but other
spa functions continue to run normally.
Follow answer 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
detected in the heater. Spa is shut down
for 15 minutes.
Check water level in spa. Refill if necessary. If water
level is okay, make sure the pump has 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 third occurrence of “
dr
”
message). Spa is shut down.
Follow action required for “
dr
” message. Spa will not
automatically reset. Push 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.
Page 17