CODE
Causes
Solutions
E1/ E2
Temperature control
sensor short circuit
or open circuit
1. Unplug GFCI from outlet
2. Please contact for service
E3
High Heat:
The water is
over 113
F(
45
℃)
1. Unplug the GFCI cable from the outlet
2. See Part 9: Spa Operation Check List for possible solutions
3. Power on spa again to see if error is resolved, if not please contact for service
E4
Freezing Conditions Detected:
The water is lower than
36
F(
2
℃)
1. Unplug the GFCI cable from the outlet
2. See Part 9: Spa Operation Check List for possible solutions
3. Power on spa again to see if error is resolved, if not please contact for service
E5
Overheat:
The water is
over 122
F(
50
℃)
1. Unplug the GFCI cable from the outlet
2. See Part 9: Spa Operation Check List for possible solutions
3. Power on spa again to see if error is resolved, if not please contact for service
E6
Inlet or outlet on inner
wall are blocked
Filter cartridge is too
dirty
Spa water does not
reach minimum water
level
Air-lock in pump
See Part 9: Spa Operation Check List for possible solutions,
otherwise contact for service
E7
Heater Dry
See Part 9: Spa Operation Check List for possible solutions,
otherwise contact for service
Reset Procedure for Portable Control Unit (if unit overheats)
Locate the small hole marked “RESET” on the bottom of the Portable
Control Unit and insert a thin object (It should be less than 0.9cm) into the
hole and press down. Reconnect the Portable Control Unit to the spa.
Part 8 :
PCU ERROR MESSAGES
12