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Inground Spas
LTR20121002, Rev. A
Operating Your Spa
www.calspas.com
27
Diagnostic Messages
Message Meaning Action Required
No message
on display
1) Spa temperature is unknown. 1) After pump has been running for 2 minutes tempera-
ture will be displayed.
2) Spa is in Economy or Sleep
mode.
2) In Economy or Sleep mode, the pump may be off for
hours outside a lter cycle. If you wish to see the cur-
rent spa temperature, either switch to Standard mode
or turn Jets1 on for at least two minutes.
3) Power has been cut off to the
spa.
3) The control panel will be disabled until power re-
turns. Spa settings and time of day will be preserved for
30 days with a battery back-up.
BUF Internal problem detected. Repair required. Contact your dealer or service organi-
zation.
dr Insufcient water detected in
heater. Spa will be shut down for
15 minutes.
Check water level in spa. Rell if necessary. Make sure
pumps are been primed and lter cartridges are clean.
Press any button to reset or wait 15 minutes and spa
will automatically reset. If message spa does not reset,
call your dealer or service organization.
dry
dY
Insufcient water detected in
heater. Spa is shut down.
(Displays on third occurrence of
dr message.)
Follow directions for dr message and press any button
to reset spa. Spa will not automatically reset when dry
or dY is displayed.
Ec Indicates heater is in Economy
Mode.
None.
--F or --C Temperature unknown After the pump has been running for two minutes, the
temperature will be displayed.
HL
HFL
A difference in readings between
temperature sensors has been
detected indicating a possible
water ow problem.
Make sure spa is lled to proper level and that pumps
are primed and lter cartridges are clean. If message
does not reset, call your dealer or service organization.
IC
ICE
Potential freeze condition de-
tected.
No action required. The pumps and the blower will au-
tomatically activate regardless of spa status.
LF Persistent low ow problems.
Heater is shut down, but other
spa functions continue to run
normally. Displays on the fth
occurrence of the HL or HFL mes-
sage within 24 hours.
Follow action required for HL or HFL message. Heating
capacity of the spa will not reset automatically. Press
any button to reset.
OH
OHS
Overheat protection. The spa has
shut down. One of the sensors
has detected that the spa water
is 110°F.
DO NOT ENTER THE WATER. Remove the spa cover and
allow water to cool. At 107°F, the spa should automati-
cally reset. If spa does not reset, shut off the power to
the spa and call your dealer or service organization.