Operating instructions

26 VITA SPA DUET
Message Meaning What Happens… Possible Causes Action Required
OH “Overheat” -
The spa has
shut down.
* One of the
sensors has
detected that
the spa water is
110F / 43.5C
The spa will shut
down and will
automatically
reset once the
water tempature
has cooled to 108F
(42C)
~ L o w W a t e r F l o w
~ Faulty Equip-
ment
~ Extended Filtra-
tion Cycles FC - or
Continious
Filtration
~ Thermal Creep
DO NOT ENTER THE
WATER. Remove the
spa cover and allow
water to cool. At 107F
/ 41.7C, the spa should
automatically reset. ~
Verify all slice valves
are locked open ~ Ver-
ify Actual water tem-
pature with a digital
Thermomiter ~ Verify
normal operation of
pump 1 ~ Verify all spa
jets are open This con-
dition can be caused
by “thermal creep”,
additional information
on ways to manage
and prevent thermal
creep are located in
this manual. If the spa
does not reset, shut o
the power to the spa
and call your dealer or
service organization.
SA Spa is shut
down. * The
sensor that is
plugged into
the “A” jack is
not working
The spa will shut
down
~ Disconnected
or defective sen-
sor
If the problem persists,
contact your dealer or
service organization.
May appear temporar-
ily in an over heat or
freeze condition
Sb Spa is shut
down. * The
sensor that is
plugged into
the Sensor
“B” jack is not
working
The spa will shut
down
~ Disconnected
or defective sen-
sor
If the problem persists,
contact your dealer or
service organization.
May appear temporar-
ily in an over heat or
freeze condition