DIAGNOSTIC MESSAGES
Message
_ _
HH
OH
IC
SA
SB
Sn
HL
LF
dr
dy
Temperature Unknown
“Overheat” – The spa has has shut
down. One of the sensors has detected
118°F/48°C at the heater.
“Overheat” – The spa has has shut
down. One of the sensors has detected
that the spa water is 110°F/43°C.
“Ice” – Potential freeze condition
detected.
The spa has shut down. The sensor
that is plugged into the Sensor “A” jack
is not working.
The spa has shut down. The sensor
that is plugged into the Sensor “B” jack
is not working.
Sensors are out of balance. If
alternating with spa temp, it may
just be a temporary condition. If
flashing by itself, spa is shut down.
A significant difference between
temperature sensors has been
detected. This could indicate a flow
problem.
Persistent low flow problems.
(Displays on the fifth occurrence of HL
message within 24 hrs.) Heater is shut
down, but other spa functions continue
to run normally.
Possible inadequate water, poor flow or
air bubbles detected in the heater. Spa
is shut down for 15 minutes.
Inadequate water detected in heater.
(Displays on third occurrence of “dr”
message.) Spa is shut down.
After the pump has been running for 2 minutes, the
temperature will be displayed.
DO NOT ENTER THE WATER.
Remove the cover
and allow water to cool. Reset by pushing any
button.
DO NOT ENTER THE WATER.
Remove the cover
and allow water to cool. At 107°F/42°C the spa
should automatically reset. If it does not, shut off
the power to the spa and call your dealer or service
organization.
No action required. The pump(s) 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 pump(s) have been
primed.
Check water level in spa. Refill if necessary. If the
water level is okay, make sure the pump(s) have been
primed.
Check water level in spa. If the water level is okay,
make sure the pump(s) have been primed. Press any
button to reset or this message will automatically
reset within 15 minutes.
Check water level in spa. If the water level is okay,
make sure the pump(s) have been primed. Press any
button to reset or this message will automatically
reset within 15 minutes.
Meaning
Action Required
WARNING! / Shock Hazard! / No User Serviceable Parts. Do not attempt service of this control. Contact
your spa retailer or service organization for assistance. Installation and/or service must be performed by a
licensed electrician and all grounding connections must be properly installed.
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