master spas
Diagnostic Messages
Message
Meaning
No message on display.
Power has been cut off to the spa.
“Overheat” - The spa has shut down.
On some systems, an alarm may
sound. One of the sensors has detect-
ed 118˚F (approx. 47.8˚C) at the heater.
“Overheat” - The spa has shut down.
One of the sensors has detected that
the spa water is 110˚F (approximately
43.3˚C).
“Ice” - Potential freeze condition
detected.
Spa is shut down. The sensor that is
plugged into the Sensor “A” jack is
not working.
Spa is shut down. The sensor that is
plugged into the Sensor “B” jack is not
working.
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 spa is shut
down.
A substantial difference between the
temperature sensors was detected. This
could indicate a flow problem.
Persistent low flow problems. (Displays
on the fifth occurrence of the “HFL”
message within 24 hours.) Heater is
shut down, but other spa functions
continue to run normally.
Inadequate water detected in heater.
Action Required
The control panel will be disabled until power
returns. Time of day will be preserved for
30 days on your system. Spa settings are
preserved on all systems.
DO NOT ENTER THE WATER. Remove the spa
cover and allow water to cool. Once the heater
has cooled, reset by pushing any button. If spa
does not reset, shut off the power to the spa and
call your dealer or service organization.
DO NOT ENTER THE WATER. Remove the spa
cover and allow water to cool. At 107˚F (approx.
41.7˚C), the spa should automatically reset. If spa
does not reset, shut off the power to the spa and
call your dealer or service organization.
No action required. The pumps will automatically
activate regardless of spa status.
If the problem persists, contact your dealer or
service organization. (May appear temporarily in
an overheat situation and disappear when the
heater cools.)
If the problem persists, contact your dealer or
service organization. (May appear temporarily in
an overheat situation and disappear when the
heater cools.)
If the problem persists, contact your dealer or
service organization.
Check water level in spa. Refill if necessary.
If the water level is okay, make sure the pumps
have been primed. If problem persists, contact
your dealer or service organization.
Follow action required for “HFL” message.
Heating capacity of the spa will not reset auto-
matically; you may press any button to reset.
Check water level in spa. Refill if necessary. If the
water level is okay, make sure the pumps have
been primed. Press any button to reset.
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DO NOT DIVE.
