27
MESSAGE MEANING
ACTION REQUIRED
OHS
OH
The spa has
overheated and shut
down. One of the
sensors detected that
the spa water is 110ºF
(43ºC).
Do not enter the water.
Remove the spa cover and
allow the water to cool. At
107ºF (42ºC), the spa resets
automatically. If the spa does
not reset, shut off power to
the spa and call service.
ICE
IC
Potential freeze
condition detected
(Ice)
No action required. The
pump will automatically
operate regardless of the spa
status.
SnA
SA
Sensor A is not working
correctly. Spa is shut
down.
Check the sensor "A" plug
connection to circuit board.
The problem may appear
temporarily in an overheat
situation and disappear when
the heater cools. If the
problem persists, contact
service.
SnB
SB
Sensor B is not working
correctly. Spa is shut
down.
Check the sensor "B" plug
connection to circuit board.
The problem may appear
temporarily in an overheat
situation and disappear when
the heater cools. If the
problem persists, contact
service.
SnS
Sn
Sensors are out of
balance.
If this alternates with the
temperature, it may be
temporary. If the display
shows only this message
(periodically blinking), the spa
is shut down .If the problem
persists, contact service.
HFL
HL
A substantial
difference between
sensors was detected
(possible flow
problem).
Check water level in spa and
add water if necessary. Be
sure that slide-valves are
open. Make sure the pump is
primed and has power. If the
problem persists, contact
service.
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