Premium Leisure Sterling Leisure Owner's Manual page 56

MESSAGE MEANING
SnS Sensors are out of balance.
Sn
HFL A substantial difference
HL
between sensors was
detected (possible flow
problem).
LF
Low Flow – persistent
problem. Displays after the
fifth occurrence of the "HL"
message within 24 hours.
Heater shuts down but
other hot tub functions run
normally.
dr Inadequate water, poor
flow, or air bubbles detected
in the heater. Hot tub is shut
down for 15 minutes.
drY Inadequate water detected
dy in heater. Displays on third
occurrence of "dr" message.
Hot tub is shut down.
Pr When the hot tub is first
activated, it goes into
Priming mode.
- - F Temperature unknown
- - C Temperature unknown
- - - Temperature not current
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ACTION REQUIRED
If this alternates with the
temperature, it may be temporary. If
the display shows only this
message (periodically blinking), the
hot tub is shut down .If the problem
persists, contact service.
Check water level in hot tub 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.
Heating ability of the hot tub will not
reset automatically; press any
button to reset.
Check the water level and add
water if necessary. Be sure that
slide-valves are open. Make sure
the pump is primed and has power.
Press any button to reset
(automatically reset within 15
minutes). If the problem persists,
contact service.
Check water level in hot tub. Add
water if necessary. Be sure that
slide-valves are open. Make sure
the pump is primed and has power.
Press any button to reset.
The Priming mode runs for up to
four minutes and then the hot tub
begins to heat and maintain the
water temperature in Standard
mode.
After the pump has been running for
two minutes, the temperature will be
displayed.
After the pump runs for two
minutes, the temperature displays
The hot tub is in either Economy or
Sleep modes and the pump has not
run for a while. To view the current
temperature, switch to Standard
mode or operate Jets 1 for at least
one minute.