FEF
Power off the spa and turn
on the spa again to enter into
Standby mode (No display at
control panel). When yellow
lights on:
Press “up+ On/Off ” key to
enter into service mode
Error Code
FEF0
Filter system short circuit. Replace the Power Board
FEF1
Filter system open circuit.Check if the filter cable is connected well.
YES
Test if the transformer output is 12V DC Replace the transformer
YES
Test if the filter pump resistance is between 0.5-2 ohm
YES
NO
Replace the filter pump
NO
NO
Replace the filter pump
Replace the power board
Exit Repair Mode, back to “
Standby Mode.”
FEF2
Disassemble the filter pump to see if the impeller is stuck by dirts or other
.objects
YES
Clean the filter pump and remove the objects
FEF3
Water pressure switch disconnected. Check if there is enough water in the
pool (to reach the min. water line)
YES
Check if water inlet is clean without substance blocking up and outlet cap is
installed properly.
YES
Check if the water pressure switch cable is well connected to the power board
YES
Replace the power board
NO
System overcurrent. Replace
the filter pump
NO
Fill the pool with enough water
between max. & min. water line
NO
Clean the inlet/outlet and
tightly screw the outlet cap.
NO
Re-connect the cable fitting
Water Pressure Switch
Connection Point
Filter cable connection
Point
12VAC
1 2
Filter Pump uninstallation order
12VAC
3
4