Cal Spas LTR20051000 Owner's Manual page 33

Message Meaning
OHH
"Overheat" - The spa has shut down.
One of the sensors has detected 118°F
at the heater.
OHS
"Overheat" - The spa has shut down.
One of the sensors has detected that
the spa water is 110°F.
ICE "Ice" - Potential freeze condition
detected.
Sna
Spa is shut down. The sensor that is
plugged into the Sensor "B" jack is
not working.
Snb
Spa is shut down. The sensor that is
plugged into the Sensor "A" jack is
not working.
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.
HFL
A substantial difference between the
temperature sensors was detected.
This could indicate a flow problem.
LF
Persistent low flow problems.
(Displays on the fifth occurrence of
the "HFL" message within 24 hours.)
Heater is shut down, but other spa
functions continue to run normally.
dr
Inadequate water detected in heater.
dry
Inadequate water detected in heater.
(Displays on third occurrence of "dr"
message.) Spa is shut down.
Pr When your spa is first actuated, it will
go into Priming mode.
--For C
Temperature unknown
2005 Spa Owner's Manual
8/1/2005
Action Required
DO NOT ENTER THE WATER. Remove the 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.
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 your dealer or
service organization.
No action required. The pumps and the blower 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.
If the water level is okay, make sure the pumps have
been primed. If problem persists, contact your dealer
or service organization.
Follow action required for "HFL" message. Heating
capacity of the spa will not reset automatically; you
may press any button to reset.
Check water level in spa. Refill if necessary. If the
water level is okay, make sure the pumps have been
primed. Press any button to reset.
Follow action required for "dr" message. Spa will
not automatically reset; you may press any button to
reset.
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.
After the pump has been running for two minutes,
the temperature will be displayed.
Operating Your Spa
Page 29