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operation. After the desired temperature is reached, return the system to normal operation of
8-10 hours per day.
• Is airflow through the unit being obstructed? Restrictions such as shrubbery, tall grass, dirty
coils, or any other obstruction to airflow will reduce performance.
• Is the pool blanket/cover being used? Unblanketed pools can lose up to 10 degrees per night
compared to 4 degrees or fewer when a blanket is used. Without a blanket, the total heat
gained during the day can be lost overnight.
• Are rapid heat losses occurring in some other way, such as high wind, waterfalls, spa
spillage, bubblers, rainfall, flow through solar panels at nights, or a high water table?
• Is water flow through the unit adequate? Check the system for obstructions, such as a
clogged filter pump strainer or a dirty filter.
B. UNIT IS NOT RUNNING
• Is the control panel Power lamp ON? If not, the circuit breaker may be shut OFF or tripped.
Reset the breaker by switching it OFF, then back ON. Verify that the breaker is set and
operating properly before calling for service.
• Is the thermostat setting correct? Verify that the temperature has been properly set on the
thermostat, and that it is higher than the current water temperature.
• Have you waited 6 minutes for the time delay? After the unit has been running and then shut
OFF for any reason, there is a 6-minutes timed cycle before operation can begin again.
•Is the Water Flow lamp OFF? This lamp will turn OFF if not enough water is flowing
through the heater. Improperly positioned valves or a dirty filter could decrease the flow of
water required for efficient operation. When the Water Flow lamp is ON, proper flow is
present. If this lamp is OFF, but you can feel normal flow at the pool returns, check the water
valves or settings.
•Is the Defrost Active lamp OFF? If this lamp is ON, the fan will be running but not the
compressor. The unit is waiting for the frost to melt or the air temperature to rise before
heating is resumed.
•Is the
Heat Demand lamp ON? If not, then the thermostat setting is not higher than the
temperature of the pool water. Raise the thermostat setting.
•Is the Low Pressure lamp ON? If this lamp is ON, there is a problem with the unit that will
require service. Turn the unit OFF and call the number shown in the CONTACT
INFORMATION at the beginning of this manual.
SERVICE CALL REQUESTS
Determine if the problem is:
• Warranty Service (within 5 years of installation)
• Non Warranty Service (beyond 5 years of installation)
• Maintenance-related (power supply, water flow, or time clock adjustment)
NOTE: The MANUFACTURER IS NOT RESPONSIBLE for maintenance adjustments.