20
SB
Spa is shut down. The sensor
that is plugged into the Sensor
“B” jack is not working.
If the problem persists, contact
your dealer or service
organization. (May appear
temporarily in an overheat
situation and disappear when
the heater cools.)
SN5
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
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 action 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 bubbles in
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
pumps have been primed.
Press any button to reset, or this
message will
automatically reset within 15
minutes. If 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. Press any
button to reset.
*
Note
: Not all codes pertain to all spas.
