Operating instructions

21
Problem: Sensors are out of balance. If alternating with spa temperature, it
may just be a temporary condition. If flashing by itself, spa is shut down.
Solution: If the problem persists, contact your dealer or service
organization.
Problem: A significant difference between temperature sensors has been
detected. This could indicate a flow problem.
Solution: 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.
Problem: Persistent low flow problems. ( Displays on the fifth occurrence of
“HFL” message within 24 hours.) Heater is shut down, but other spa
functions continue to run normally.
Solution: Follow action required for “HFL” message. Heating capability of
the spa will not reset automatically; you may press any button to reset.
Problem: Possible inadequate water, poor flow, or air bubbles in detected in
the heater. Spa is shut down for 15 minutes.
Solution: Check water level in spa. Refill if necessary. If water level is okay,
make sure the pumps have been primed. Press any button to reset, or this
message will automatically reset within 15 minutes. If problem persists,
contact your dealer or service organization.
Problem: Inadequate water detected in heater. (Displays on third occur
rence of “dr” message) Spa is shut down.
Solution: Follow action required for “dr” message. Spa will not automatically
reset. Press any button to reset.
On a fresh fill your pump may be air locked, refer to page #13 for removing
an air lock.
WARNING! SHOCK HAZARD! NO USER SERVICEABLE PARTS.
Do not attempt to service the control system. Contact your dealer or service
organization for assistance. Follow all owner’s manual power connection
instructions. Installation must be performed by a licensed electrician and
all grounding connections must be properly installed.