Operating Y
our
Spa
14
OC Hot Tubs Owner’s Manual
LTR50001045, Rev. N
Message
Meaning
Action Required
LF
Persistent low flow problems. Heater
is shut down, but other spa functions
continue to run normally. Displays on
the fifth occurrence of the HL or HFL
message within 24 hours.
Follow action required for HL or HFL message. Heating
capacity of the spa will not reset automatically. Press any
button to reset.
OH
OHS
Overheat protection. The spa has shut
down. One of the sensors has detected
that the spa water is 110°F.
DO NOT ENTER THE WATER. Remove the spa cover and
allow water to cool. At 107°F, the spa should automatically
reset. If spa does not reset, shut off the power to the spa
and call OC Hot Tubs customer service for guidance.
Pr
When your spa is first actuated, it will
go into priming mode.
The priming mode will last for up to four minutes and
then the spa will begin to heat and maintain the water
temperature in the Standard mode.
SL
Indicates heater is in Sleep Mode.
None.
SNA
Snb
Spa is shut down. The sensor that is
plugged into the sensor “A” or “B” jack
is not working.
If the problem persists, contact OC Hot Tubs customer
service for guidance. (May appear temporarily in an
overheat situation and disappear when the heater cools.)
Sn
SnS
Sensors are out of balance.
• If this is alternating with the
temperature, it may just be a
temporary condition.
• If the display shows only this
message (periodically blinking), the
spa is shut down.
Contact your OC Hot Tubs customer service for guidance.
ST
Indicates heater is in Standard Mode.
None.
Other Spa Systems
Several spa functions operate in the background and require no action or maintenance from you. This is for your information
only.
Pumps
Press the “Jets 1” button once to turn pump 1 on or off, and to shift between low- and high-speeds if equipped. If left
running, the pump will turn off after a time-out period. The pump 1 low-speed will time out after 30 minutes. The high-
speed will time out after 15 minutes.
On non-circ systems, the low-speed of pump 1 runs when the blower or any other pump is on. If the spa is in Ready Mode,
Pump 1 low may also activate for at least 1 minute every 30 minutes to detect the spa temperature (polling) and then to
heat to the set temperature if needed. When the low-speed turns on automatically, it cannot be deactivated from the panel,
however the high speed may be started.
Circulation Pump
The circulation pump will come on when the system is checking temperature (polling), during filter cycles, during freeze
conditions, or when another pump is on.
The ozonator will run with the circulation pump during filtration cycles.
Purge Cycles
In order to maintain sanitary conditions, secondary Pumps and/or a Blower will purge water from their respective plumbing
by running briefly at the beginning of each filter cycle.
