Problem
Probable causes
Solutions
Entire spa is inop-
erative.
Power failure.
GFCI tripped heater
high-limit thermostat
tripped.
Check power source.
Reset GFCI, call for service if not reset.
Disconnect power for at least thirty
second to reset heater high limit.
If it will not reset check for clogged
filters. If tripping continues, call for
service.
Spa does not heat
jets and light op-
erate (Ready, and
power indicators
are blinking.
Integrated pressure switch
open Circulation pump
thermal cut-off tripped.
Check for cartridge filters. Integrated
pressure switch will reset when the
flow of water through the heater has
been retored Call for ervice if the
heater trips frequently.
Check for cartridge filters or are looks
in plumbing Disconnected power to
the spa, allow circulation pump to
cool Circulation pump thermal cut off
will reset when pump has cooled and
power is reapplied. Call for service if
circulation pump thermal cut-
off trips frequently.
Jets weak or surg-
ing.
Spa water level too low.
Filters clogged.
Air regulator is closed.
Jet closed.
Add water.
Clean filters.
Open air regulator.
Open the jet.
Light inoperative.
Light wiring or assembly is
faulty.
Replace light assembly.
Power indicator is
blinking. (Entire
spa inoperative)
Heater high-limit thermostat
tripped.
Disconnect power for at least thirty
seconds to reset heater high limit. If it
will not reet. Check for clogged filters
if tripping continues, call for service.
Ready indicator
blinking.
Temperature sensor prob-
lem.
Disconnect power for at feast thirty
second problem if blinking continues,
call for service.