Check to see that the electrical power is on. Reset breakers, or replace fuses if necessary.
Check to be sure the electric control panel is set properly. The desired temperature must be set above the actual pool or spa temperature for the heater to run.
Check to make sure the evaporator coil has enough clearance and that there are no restrictions to its
Certain ambient air conditions may cause the heater to go into defrost mode, displayed on the control panel as FS.
NOTE: IT IS NORMAL FOR WATER TO DRIP FROM THE DRAINHOLES AT THE BASE OF THE HEATER. THE UNIT PRODUCES CONDENSATE WHEN IT OPERATES.
FAILURE LOCK-OUT: This feature is for the protection of the heater. If the same failure occurs three
(3) times within an hour, the control will not allow the unit to restart, and shall display the appropriate
code (i.e.FL3, HP3, or LP3).The reset to normal conditions can be accomplished by pressing a button on the control touch pad.
FLO (Little or No Water Flow)
The pump is not running.
The filter is dirty or clogged.
Shortage of water to pump - air leak.
Valves not in correct position.
Filter in backwash mode.
Water pressure switch needs adjustment, or is defective.
FIL MODE MUST BE IN THE OFF POSITION OR A FL3 ERROR CODE WILL BE DISPLAYED.
HP (Compressor High Pressure)
Low water flow to heater.
Defective high-pressure switch.
LP (Compressor Low Pressure)
Evaporator coil dirty.
Fan motor not running.
Low refrigerant pressure.
Defective low-pressure switch.
dPO Evaporator temperature sensor connection opened. Check for cut or loose sensor wiring or defective sensor.
PO Water temperature sensor connection opened. Check for cut or loose sensor wiring or defective sensor.
dPC Evaporator temperature sensor connection shorted. Check for a short in sensor wiring ordefective sensor.
Pc Water temperature sensor connection shorted. Check for a short in sensor wiring or defective sensor.
FS Heat pump in defrost cycle.
PLE or CSE EEPROM memory data loss. Hold down the SELECT key until the error message disappears. The control will be reinitiated to factory default. Re-enter the setpoints.
SPi Defective controller, remove power and restart. If error is still present, replace controller.