Operating instructions

24
SNA
Hot tub is shut down. The sensor
that is plugged into the sensor “A”
jack is not working.
If the problem persists, contact your dealership. (May appear temporarily in
an overheat situation and disappear when heater cools.)
SNB
Hot tub is shut down. The sensor
that is plugged into the sensor “B”
jack is not working.
If the problem persists, contact your dealer for service.
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
hot tub is shut down.
If problem persists, contact your dealership for service. Follow action
required for “SnA”.
HFL
A substantial difference between the
temperature sensors was detected.
This could indicate a flow problem.
Check water level in hot tub. Refill if necessary. If the water level is okay, make
sure the pumps have been primed. If problem persists try these solutions:
Microfilter is dirty: Put tub on Standby, remove Microfilter and clean or replace.
Air lock in system: Locate air bleed thumb screws and open partially
to release air in piping. Debris in HushPump™: Call your dealer for
service or shut down system, close all knife valves and remove face plate
from HushPump™ to remove debris. Circulation pump failed or frozen: If
freezing suspected, place trouble light or space heater around equipment to
thaw out pump and external piping and call your dealer for service.
LF
Persistent low flow problems. (Display
on the fifth occurrence of the “HFL”
message within 24 hours.) Heater
is shut down, but the other hot tub
functions continue to operate normally.
Follow action required for the “HFL” message. Heating capacity of the hot
tub will not reset automatically; you may press any button to reset.
DR
Inadequate water detected in
heater.
Check water level in hot tub. Refill if necessary. If the water level is okay,
make sure the pumps have been primed. Press any button to reset.
PR
When your hot tub is first actuated,
it will go into priming mode.
The Priming Mode will last up to 4 minutes and then the hot tub will begin
to heat and maintain water temperature in Standard Mode.
--F / --C
Temperature unknown. After the pump has been running for 2 minutes, the temperature will be displayed.
SBY
Standby Mode has been activated by pressing
a button combination on the user panel.
Press any button to leave Standby Mode and return to normal operation.
STD/
STANDARD
The hot tub is operating in
Standard Mode.
No action required. Refer to Heating modes page to change this mode.
ECN/
ECONOMY
The hot tub is operating in
Economy mode.
No action required. Refer to Heating modes page to change this mode.
SE/
STANDARD-
ECONOMY
The hot tub is operating in
Standard-Economy mode.
No action required. Refer to Heating modes page to change this mode.
SLP/
SLEEP
Sleep mode has been activated by pressing
a button combination on the user panel.
No action required. Refer to Heating modes page to change this mode.
Diagnostic Display Messages & Trouble Shooting Guide, cont’d.